stabilize build system: depends, installer, boost/bdb fixes, cross targets groundwork

This commit is contained in:
2026-02-24 18:38:47 +00:00
parent da8c28aaeb
commit 65cb2619a7
13106 changed files with 2484322 additions and 1804 deletions
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,68 @@
#ifndef BOOST_SMART_PTR_BAD_WEAK_PTR_HPP_INCLUDED
#define BOOST_SMART_PTR_BAD_WEAK_PTR_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// boost/smart_ptr/bad_weak_ptr.hpp
//
// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <exception>
#ifdef __BORLANDC__
# pragma warn -8026 // Functions with excep. spec. are not expanded inline
#endif
namespace boost
{
// The standard library that comes with Borland C++ 5.5.1, 5.6.4
// defines std::exception and its members as having C calling
// convention (-pc). When the definition of bad_weak_ptr
// is compiled with -ps, the compiler issues an error.
// Hence, the temporary #pragma option -pc below.
#if defined(__BORLANDC__) && __BORLANDC__ <= 0x564
# pragma option push -pc
#endif
#if defined(__clang__)
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wweak-vtables"
#endif
class bad_weak_ptr: public std::exception
{
public:
virtual char const * what() const throw()
{
return "tr1::bad_weak_ptr";
}
};
#if defined(__clang__)
# pragma clang diagnostic pop
#endif
#if defined(__BORLANDC__) && __BORLANDC__ <= 0x564
# pragma option pop
#endif
} // namespace boost
#ifdef __BORLANDC__
# pragma warn .8026 // Functions with excep. spec. are not expanded inline
#endif
#endif // #ifndef BOOST_SMART_PTR_BAD_WEAK_PTR_HPP_INCLUDED
@@ -0,0 +1,99 @@
#ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// boost/detail/atomic_count.hpp - thread/SMP safe reference counter
//
// Copyright (c) 2001, 2002 Peter Dimov and Multi Media Ltd.
// Copyright (c) 2013 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
// typedef <implementation-defined> boost::detail::atomic_count;
//
// atomic_count a(n);
//
// (n is convertible to long)
//
// Effects: Constructs an atomic_count with an initial value of n
//
// a;
//
// Returns: (long) the current value of a
// Memory Ordering: acquire
//
// ++a;
//
// Effects: Atomically increments the value of a
// Returns: (long) the new value of a
// Memory Ordering: acquire/release
//
// --a;
//
// Effects: Atomically decrements the value of a
// Returns: (long) the new value of a
// Memory Ordering: acquire/release
//
#include <boost/config.hpp>
#include <boost/smart_ptr/detail/sp_has_sync.hpp>
#if defined( BOOST_AC_DISABLE_THREADS )
# include <boost/smart_ptr/detail/atomic_count_nt.hpp>
#elif defined( BOOST_AC_USE_STD_ATOMIC )
# include <boost/smart_ptr/detail/atomic_count_std_atomic.hpp>
#elif defined( BOOST_AC_USE_SPINLOCK )
# include <boost/smart_ptr/detail/atomic_count_spin.hpp>
#elif defined( BOOST_AC_USE_PTHREADS )
# include <boost/smart_ptr/detail/atomic_count_pt.hpp>
#elif defined( BOOST_SP_DISABLE_THREADS )
# include <boost/smart_ptr/detail/atomic_count_nt.hpp>
#elif defined( BOOST_SP_USE_STD_ATOMIC )
# include <boost/smart_ptr/detail/atomic_count_std_atomic.hpp>
#elif defined( BOOST_SP_USE_SPINLOCK )
# include <boost/smart_ptr/detail/atomic_count_spin.hpp>
#elif defined( BOOST_SP_USE_PTHREADS )
# include <boost/smart_ptr/detail/atomic_count_pt.hpp>
#elif defined( BOOST_DISABLE_THREADS ) && !defined( BOOST_SP_ENABLE_THREADS ) && !defined( BOOST_DISABLE_WIN32 )
# include <boost/smart_ptr/detail/atomic_count_nt.hpp>
#elif !defined( BOOST_NO_CXX11_HDR_ATOMIC )
# include <boost/smart_ptr/detail/atomic_count_std_atomic.hpp>
#elif defined( __GNUC__ ) && ( defined( __i386__ ) || defined( __x86_64__ ) ) && !defined( __PATHSCALE__ )
# include <boost/smart_ptr/detail/atomic_count_gcc_x86.hpp>
#elif defined( BOOST_SP_HAS_SYNC )
# include <boost/smart_ptr/detail/atomic_count_sync.hpp>
#elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
# include <boost/smart_ptr/detail/atomic_count_win32.hpp>
#elif defined(__GLIBCPP__) || defined(__GLIBCXX__)
# include <boost/smart_ptr/detail/atomic_count_gcc.hpp>
#elif !defined( BOOST_HAS_THREADS )
# include <boost/smart_ptr/detail/atomic_count_nt.hpp>
#else
# include <boost/smart_ptr/detail/atomic_count_spin.hpp>
#endif
#endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_HPP_INCLUDED
@@ -0,0 +1,72 @@
#ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_GCC_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_GCC_HPP_INCLUDED
//
// boost/detail/atomic_count_gcc.hpp
//
// atomic_count for GNU libstdc++ v3
//
// http://gcc.gnu.org/onlinedocs/porting/Thread-safety.html
//
// Copyright (c) 2001, 2002 Peter Dimov and Multi Media Ltd.
// Copyright (c) 2002 Lars Gullik Bjønnes <larsbj@lyx.org>
// Copyright 2003-2005 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#if __GNUC__ * 100 + __GNUC_MINOR__ >= 402
# include <ext/atomicity.h>
#else
# include <bits/atomicity.h>
#endif
namespace boost
{
namespace detail
{
#if defined(__GLIBCXX__) // g++ 3.4+
using __gnu_cxx::__atomic_add;
using __gnu_cxx::__exchange_and_add;
#endif
class atomic_count
{
public:
explicit atomic_count( long v ) : value_( v ) {}
long operator++()
{
return __exchange_and_add( &value_, +1 ) + 1;
}
long operator--()
{
return __exchange_and_add( &value_, -1 ) - 1;
}
operator long() const
{
return __exchange_and_add( &value_, 0 );
}
private:
atomic_count(atomic_count const &);
atomic_count & operator=(atomic_count const &);
mutable _Atomic_word value_;
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_GCC_HPP_INCLUDED
@@ -0,0 +1,77 @@
#ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_GCC_X86_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_GCC_X86_HPP_INCLUDED
//
// boost/detail/atomic_count_gcc_x86.hpp
//
// atomic_count for g++ on 486+/AMD64
//
// Copyright 2007 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
namespace boost
{
namespace detail
{
class atomic_count
{
public:
explicit atomic_count( long v ) : value_( static_cast< int >( v ) ) {}
long operator++()
{
return atomic_exchange_and_add( &value_, +1 ) + 1;
}
long operator--()
{
return atomic_exchange_and_add( &value_, -1 ) - 1;
}
operator long() const
{
return atomic_exchange_and_add( &value_, 0 );
}
private:
atomic_count(atomic_count const &);
atomic_count & operator=(atomic_count const &);
mutable int value_;
private:
static int atomic_exchange_and_add( int * pw, int dv )
{
// int r = *pw;
// *pw += dv;
// return r;
int r;
__asm__ __volatile__
(
"lock\n\t"
"xadd %1, %0":
"+m"( *pw ), "=r"( r ): // outputs (%0, %1)
"1"( dv ): // inputs (%2 == %1)
"memory", "cc" // clobbers
);
return r;
}
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_GCC_X86_HPP_INCLUDED
@@ -0,0 +1,59 @@
#ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_NT_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_NT_HPP_INCLUDED
//
// boost/detail/atomic_count_nt.hpp
//
// Trivial atomic_count for the single-threaded case
//
// http://gcc.gnu.org/onlinedocs/porting/Thread-safety.html
//
// Copyright 2013 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
namespace boost
{
namespace detail
{
class atomic_count
{
public:
explicit atomic_count( long v ): value_( v )
{
}
long operator++()
{
return ++value_;
}
long operator--()
{
return --value_;
}
operator long() const
{
return value_;
}
private:
atomic_count(atomic_count const &);
atomic_count & operator=(atomic_count const &);
long value_;
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_NT_HPP_INCLUDED
@@ -0,0 +1,97 @@
#ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_PTHREADS_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_PTHREADS_HPP_INCLUDED
//
// boost/detail/atomic_count_pthreads.hpp
//
// Copyright (c) 2001, 2002 Peter Dimov and Multi Media Ltd.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <boost/assert.hpp>
#include <pthread.h>
//
// The generic pthread_mutex-based implementation sometimes leads to
// inefficiencies. Example: a class with two atomic_count members
// can get away with a single mutex.
//
// Users can detect this situation by checking BOOST_AC_USE_PTHREADS.
//
namespace boost
{
namespace detail
{
class atomic_count
{
private:
class scoped_lock
{
public:
scoped_lock(pthread_mutex_t & m): m_(m)
{
BOOST_VERIFY( pthread_mutex_lock( &m_ ) == 0 );
}
~scoped_lock()
{
BOOST_VERIFY( pthread_mutex_unlock( &m_ ) == 0 );
}
private:
pthread_mutex_t & m_;
};
public:
explicit atomic_count(long v): value_(v)
{
BOOST_VERIFY( pthread_mutex_init( &mutex_, 0 ) == 0 );
}
~atomic_count()
{
BOOST_VERIFY( pthread_mutex_destroy( &mutex_ ) == 0 );
}
long operator++()
{
scoped_lock lock(mutex_);
return ++value_;
}
long operator--()
{
scoped_lock lock(mutex_);
return --value_;
}
operator long() const
{
scoped_lock lock(mutex_);
return value_;
}
private:
atomic_count(atomic_count const &);
atomic_count & operator=(atomic_count const &);
mutable pthread_mutex_t mutex_;
long value_;
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_PTHREADS_HPP_INCLUDED
@@ -0,0 +1,59 @@
#ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_SOLARIS_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_SOLARIS_HPP_INCLUDED
//
// boost/detail/atomic_count_solaris.hpp
// based on: boost/detail/atomic_count_win32.hpp
//
// Copyright (c) 2001-2005 Peter Dimov
// Copyright (c) 2006 Michael van der Westhuizen
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <atomic.h>
namespace boost
{
namespace detail
{
class atomic_count
{
public:
explicit atomic_count( uint32_t v ): value_( v )
{
}
long operator++()
{
return atomic_inc_32_nv( &value_ );
}
long operator--()
{
return atomic_dec_32_nv( &value_ );
}
operator uint32_t() const
{
return static_cast<uint32_t const volatile &>( value_ );
}
private:
atomic_count( atomic_count const & );
atomic_count & operator=( atomic_count const & );
uint32_t value_;
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_SOLARIS_HPP_INCLUDED
@@ -0,0 +1,62 @@
#ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_SPIN_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_SPIN_HPP_INCLUDED
//
// boost/detail/atomic_count_spin.hpp
//
// Copyright (c) 2013 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
#include <boost/smart_ptr/detail/spinlock_pool.hpp>
namespace boost
{
namespace detail
{
class atomic_count
{
private:
public:
explicit atomic_count( long v ): value_( v )
{
}
long operator++()
{
spinlock_pool<0>::scoped_lock lock( &value_ );
return ++value_;
}
long operator--()
{
spinlock_pool<0>::scoped_lock lock( &value_ );
return --value_;
}
operator long() const
{
spinlock_pool<0>::scoped_lock lock( &value_ );
return value_;
}
private:
atomic_count(atomic_count const &);
atomic_count & operator=(atomic_count const &);
long value_;
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_SPIN_HPP_INCLUDED
@@ -0,0 +1,60 @@
#ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_STD_ATOMIC_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_STD_ATOMIC_HPP_INCLUDED
//
// boost/detail/atomic_count_std_atomic.hpp
//
// atomic_count for std::atomic
//
// Copyright 2013 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
#include <atomic>
#include <cstdint>
namespace boost
{
namespace detail
{
class atomic_count
{
public:
explicit atomic_count( long v ): value_( v )
{
}
long operator++()
{
return value_.fetch_add( 1, std::memory_order_acq_rel ) + 1;
}
long operator--()
{
return value_.fetch_sub( 1, std::memory_order_acq_rel ) - 1;
}
operator long() const
{
return value_.load( std::memory_order_acquire );
}
private:
atomic_count(atomic_count const &);
atomic_count & operator=(atomic_count const &);
std::atomic_int_least32_t value_;
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_STD_ATOMIC_HPP_INCLUDED
@@ -0,0 +1,61 @@
#ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_SYNC_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_SYNC_HPP_INCLUDED
//
// boost/detail/atomic_count_sync.hpp
//
// atomic_count for g++ 4.1+
//
// http://gcc.gnu.org/onlinedocs/gcc-4.1.1/gcc/Atomic-Builtins.html
//
// Copyright 2007 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#if defined( __ia64__ ) && defined( __INTEL_COMPILER )
# include <ia64intrin.h>
#endif
namespace boost
{
namespace detail
{
class atomic_count
{
public:
explicit atomic_count( long v ) : value_( v ) {}
long operator++()
{
return __sync_add_and_fetch( &value_, 1 );
}
long operator--()
{
return __sync_add_and_fetch( &value_, -1 );
}
operator long() const
{
return __sync_fetch_and_add( &value_, 0 );
}
private:
atomic_count(atomic_count const &);
atomic_count & operator=(atomic_count const &);
mutable long value_;
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_SYNC_HPP_INCLUDED
@@ -0,0 +1,63 @@
#ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_WIN32_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_WIN32_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// boost/detail/atomic_count_win32.hpp
//
// Copyright (c) 2001-2005 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <boost/smart_ptr/detail/sp_interlocked.hpp>
namespace boost
{
namespace detail
{
class atomic_count
{
public:
explicit atomic_count( long v ): value_( v )
{
}
long operator++()
{
return BOOST_SP_INTERLOCKED_INCREMENT( &value_ );
}
long operator--()
{
return BOOST_SP_INTERLOCKED_DECREMENT( &value_ );
}
operator long() const
{
return static_cast<long const volatile &>( value_ );
}
private:
atomic_count( atomic_count const & );
atomic_count & operator=( atomic_count const & );
long value_;
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_WIN32_HPP_INCLUDED
@@ -0,0 +1,42 @@
#ifndef BOOST_SMART_PTR_DETAIL_LIGHTWEIGHT_MUTEX_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_LIGHTWEIGHT_MUTEX_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// boost/detail/lightweight_mutex.hpp - lightweight mutex
//
// Copyright (c) 2002, 2003 Peter Dimov and Multi Media Ltd.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// typedef <unspecified> boost::detail::lightweight_mutex;
//
// boost::detail::lightweight_mutex is a header-only implementation of
// a subset of the Mutex concept requirements:
//
// http://www.boost.org/doc/html/threads/concepts.html#threads.concepts.Mutex
//
// It maps to a CRITICAL_SECTION on Windows or a pthread_mutex on POSIX.
//
#include <boost/config.hpp>
#if !defined(BOOST_HAS_THREADS)
# include <boost/smart_ptr/detail/lwm_nop.hpp>
#elif defined(BOOST_HAS_PTHREADS)
# include <boost/smart_ptr/detail/lwm_pthreads.hpp>
#elif defined(BOOST_HAS_WINTHREADS) || defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
# include <boost/smart_ptr/detail/lwm_win32_cs.hpp>
#else
// Use #define BOOST_DISABLE_THREADS to avoid the error
# error Unrecognized threading platform
#endif
#endif // #ifndef BOOST_SMART_PTR_DETAIL_LIGHTWEIGHT_MUTEX_HPP_INCLUDED
@@ -0,0 +1,37 @@
#ifndef BOOST_SMART_PTR_DETAIL_LWM_NOP_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_LWM_NOP_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// boost/detail/lwm_nop.hpp
//
// Copyright (c) 2002 Peter Dimov and Multi Media Ltd.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
namespace boost
{
namespace detail
{
class lightweight_mutex
{
public:
typedef lightweight_mutex scoped_lock;
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_LWM_NOP_HPP_INCLUDED
@@ -0,0 +1,87 @@
#ifndef BOOST_SMART_PTR_DETAIL_LWM_PTHREADS_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_LWM_PTHREADS_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// boost/detail/lwm_pthreads.hpp
//
// Copyright (c) 2002 Peter Dimov and Multi Media Ltd.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <boost/assert.hpp>
#include <pthread.h>
namespace boost
{
namespace detail
{
class lightweight_mutex
{
private:
pthread_mutex_t m_;
lightweight_mutex(lightweight_mutex const &);
lightweight_mutex & operator=(lightweight_mutex const &);
public:
lightweight_mutex()
{
// HPUX 10.20 / DCE has a nonstandard pthread_mutex_init
#if defined(__hpux) && defined(_DECTHREADS_)
BOOST_VERIFY( pthread_mutex_init( &m_, pthread_mutexattr_default ) == 0 );
#else
BOOST_VERIFY( pthread_mutex_init( &m_, 0 ) == 0 );
#endif
}
~lightweight_mutex()
{
BOOST_VERIFY( pthread_mutex_destroy( &m_ ) == 0 );
}
class scoped_lock;
friend class scoped_lock;
class scoped_lock
{
private:
pthread_mutex_t & m_;
scoped_lock(scoped_lock const &);
scoped_lock & operator=(scoped_lock const &);
public:
scoped_lock(lightweight_mutex & m): m_(m.m_)
{
BOOST_VERIFY( pthread_mutex_lock( &m_ ) == 0 );
}
~scoped_lock()
{
BOOST_VERIFY( pthread_mutex_unlock( &m_ ) == 0 );
}
};
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_LWM_PTHREADS_HPP_INCLUDED
@@ -0,0 +1,119 @@
#ifndef BOOST_SMART_PTR_DETAIL_LWM_WIN32_CS_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_LWM_WIN32_CS_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// boost/detail/lwm_win32_cs.hpp
//
// Copyright (c) 2002, 2003 Peter Dimov
// Copyright (c) Microsoft Corporation 2014
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <boost/predef.h>
#ifdef BOOST_USE_WINDOWS_H
# include <windows.h>
#endif
namespace boost
{
namespace detail
{
#ifndef BOOST_USE_WINDOWS_H
struct critical_section
{
struct critical_section_debug * DebugInfo;
long LockCount;
long RecursionCount;
void * OwningThread;
void * LockSemaphore;
#if defined(_WIN64)
unsigned __int64 SpinCount;
#else
unsigned long SpinCount;
#endif
};
#if BOOST_PLAT_WINDOWS_RUNTIME
extern "C" __declspec(dllimport) void __stdcall InitializeCriticalSectionEx(critical_section *, unsigned long, unsigned long);
#else
extern "C" __declspec(dllimport) void __stdcall InitializeCriticalSection(critical_section *);
#endif
extern "C" __declspec(dllimport) void __stdcall EnterCriticalSection(critical_section *);
extern "C" __declspec(dllimport) void __stdcall LeaveCriticalSection(critical_section *);
extern "C" __declspec(dllimport) void __stdcall DeleteCriticalSection(critical_section *);
#else
typedef ::CRITICAL_SECTION critical_section;
#endif // #ifndef BOOST_USE_WINDOWS_H
class lightweight_mutex
{
private:
critical_section cs_;
lightweight_mutex(lightweight_mutex const &);
lightweight_mutex & operator=(lightweight_mutex const &);
public:
lightweight_mutex()
{
#if BOOST_PLAT_WINDOWS_RUNTIME
InitializeCriticalSectionEx(&cs_, 4000, 0);
#else
InitializeCriticalSection(&cs_);
#endif
}
~lightweight_mutex()
{
DeleteCriticalSection(&cs_);
}
class scoped_lock;
friend class scoped_lock;
class scoped_lock
{
private:
lightweight_mutex & m_;
scoped_lock(scoped_lock const &);
scoped_lock & operator=(scoped_lock const &);
public:
explicit scoped_lock(lightweight_mutex & m): m_(m)
{
EnterCriticalSection(&m_.cs_);
}
~scoped_lock()
{
LeaveCriticalSection(&m_.cs_);
}
};
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_LWM_WIN32_CS_HPP_INCLUDED
@@ -0,0 +1,64 @@
// This header intentionally has no include guards.
//
// Copyright (c) 2001-2009, 2012 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
#if !defined( BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS ) && !defined( BOOST_NO_CXX11_NULLPTR )\
&& !(defined(__SUNPRO_CC) && BOOST_WORKAROUND(__SUNPRO_CC, <= 0x5130))
explicit operator bool () const BOOST_NOEXCEPT
{
return px != 0;
}
#elif ( defined(__SUNPRO_CC) && BOOST_WORKAROUND(__SUNPRO_CC, < 0x570) ) || defined(__CINT__)
operator bool () const BOOST_NOEXCEPT
{
return px != 0;
}
#elif defined( _MANAGED )
static void unspecified_bool( this_type*** )
{
}
typedef void (*unspecified_bool_type)( this_type*** );
operator unspecified_bool_type() const BOOST_NOEXCEPT
{
return px == 0? 0: unspecified_bool;
}
#elif \
( defined(__MWERKS__) && BOOST_WORKAROUND(__MWERKS__, < 0x3200) ) || \
( defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ < 304) ) || \
( defined(__SUNPRO_CC) && BOOST_WORKAROUND(__SUNPRO_CC, <= 0x590) )
typedef element_type * (this_type::*unspecified_bool_type)() const;
operator unspecified_bool_type() const BOOST_NOEXCEPT
{
return px == 0? 0: &this_type::get;
}
#else
typedef element_type * this_type::*unspecified_bool_type;
operator unspecified_bool_type() const BOOST_NOEXCEPT
{
return px == 0? 0: &this_type::px;
}
#endif
// operator! is redundant, but some compilers need it
bool operator! () const BOOST_NOEXCEPT
{
return px == 0;
}
@@ -0,0 +1,199 @@
#ifndef BOOST_SMART_PTR_DETAIL_QUICK_ALLOCATOR_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_QUICK_ALLOCATOR_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// detail/quick_allocator.hpp
//
// Copyright (c) 2003 David Abrahams
// Copyright (c) 2003 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <boost/config.hpp>
#include <boost/smart_ptr/detail/lightweight_mutex.hpp>
#include <boost/type_traits/type_with_alignment.hpp>
#include <boost/type_traits/alignment_of.hpp>
#include <new> // ::operator new, ::operator delete
#include <cstddef> // std::size_t
namespace boost
{
namespace detail
{
template<unsigned size, unsigned align_> union freeblock
{
typedef typename boost::type_with_alignment<align_>::type aligner_type;
aligner_type aligner;
char bytes[size];
freeblock * next;
};
template<unsigned size, unsigned align_> struct allocator_impl
{
typedef freeblock<size, align_> block;
// It may seem odd to use such small pages.
//
// However, on a typical Windows implementation that uses
// the OS allocator, "normal size" pages interact with the
// "ordinary" operator new, slowing it down dramatically.
//
// 512 byte pages are handled by the small object allocator,
// and don't interfere with ::new.
//
// The other alternative is to use much bigger pages (1M.)
//
// It is surprisingly easy to hit pathological behavior by
// varying the page size. g++ 2.96 on Red Hat Linux 7.2,
// for example, passionately dislikes 496. 512 seems OK.
#if defined(BOOST_QA_PAGE_SIZE)
enum { items_per_page = BOOST_QA_PAGE_SIZE / size };
#else
enum { items_per_page = 512 / size }; // 1048560 / size
#endif
#ifdef BOOST_HAS_THREADS
static lightweight_mutex & mutex()
{
static freeblock< sizeof( lightweight_mutex ), boost::alignment_of< lightweight_mutex >::value > fbm;
static lightweight_mutex * pm = new( &fbm ) lightweight_mutex;
return *pm;
}
static lightweight_mutex * mutex_init;
#endif
static block * free;
static block * page;
static unsigned last;
static inline void * alloc()
{
#ifdef BOOST_HAS_THREADS
lightweight_mutex::scoped_lock lock( mutex() );
#endif
if(block * x = free)
{
free = x->next;
return x;
}
else
{
if(last == items_per_page)
{
// "Listen to me carefully: there is no memory leak"
// -- Scott Meyers, Eff C++ 2nd Ed Item 10
page = ::new block[items_per_page];
last = 0;
}
return &page[last++];
}
}
static inline void * alloc(std::size_t n)
{
if(n != size) // class-specific new called for a derived object
{
return ::operator new(n);
}
else
{
#ifdef BOOST_HAS_THREADS
lightweight_mutex::scoped_lock lock( mutex() );
#endif
if(block * x = free)
{
free = x->next;
return x;
}
else
{
if(last == items_per_page)
{
page = ::new block[items_per_page];
last = 0;
}
return &page[last++];
}
}
}
static inline void dealloc(void * pv)
{
if(pv != 0) // 18.4.1.1/13
{
#ifdef BOOST_HAS_THREADS
lightweight_mutex::scoped_lock lock( mutex() );
#endif
block * pb = static_cast<block *>(pv);
pb->next = free;
free = pb;
}
}
static inline void dealloc(void * pv, std::size_t n)
{
if(n != size) // class-specific delete called for a derived object
{
::operator delete(pv);
}
else if(pv != 0) // 18.4.1.1/13
{
#ifdef BOOST_HAS_THREADS
lightweight_mutex::scoped_lock lock( mutex() );
#endif
block * pb = static_cast<block *>(pv);
pb->next = free;
free = pb;
}
}
};
#ifdef BOOST_HAS_THREADS
template<unsigned size, unsigned align_>
lightweight_mutex * allocator_impl<size, align_>::mutex_init = &allocator_impl<size, align_>::mutex();
#endif
template<unsigned size, unsigned align_>
freeblock<size, align_> * allocator_impl<size, align_>::free = 0;
template<unsigned size, unsigned align_>
freeblock<size, align_> * allocator_impl<size, align_>::page = 0;
template<unsigned size, unsigned align_>
unsigned allocator_impl<size, align_>::last = allocator_impl<size, align_>::items_per_page;
template<class T>
struct quick_allocator: public allocator_impl< sizeof(T), boost::alignment_of<T>::value >
{
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_QUICK_ALLOCATOR_HPP_INCLUDED
@@ -0,0 +1,655 @@
#ifndef BOOST_SMART_PTR_DETAIL_SHARED_COUNT_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SHARED_COUNT_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// detail/shared_count.hpp
//
// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
// Copyright 2004-2005 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#ifdef __BORLANDC__
# pragma warn -8027 // Functions containing try are not expanded inline
#endif
#include <boost/config.hpp>
#include <boost/checked_delete.hpp>
#include <boost/throw_exception.hpp>
#include <boost/smart_ptr/bad_weak_ptr.hpp>
#include <boost/smart_ptr/detail/sp_counted_base.hpp>
#include <boost/smart_ptr/detail/sp_counted_impl.hpp>
#include <boost/smart_ptr/detail/sp_disable_deprecated.hpp>
#include <boost/detail/workaround.hpp>
// In order to avoid circular dependencies with Boost.TR1
// we make sure that our include of <memory> doesn't try to
// pull in the TR1 headers: that's why we use this header
// rather than including <memory> directly:
#include <boost/config/no_tr1/memory.hpp> // std::auto_ptr
#include <functional> // std::less
#ifdef BOOST_NO_EXCEPTIONS
# include <new> // std::bad_alloc
#endif
#include <boost/core/addressof.hpp>
#if defined( BOOST_SP_DISABLE_DEPRECATED )
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
namespace boost
{
namespace movelib
{
template< class T, class D > class unique_ptr;
} // namespace movelib
namespace detail
{
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
int const shared_count_id = 0x2C35F101;
int const weak_count_id = 0x298C38A4;
#endif
struct sp_nothrow_tag {};
template< class D > struct sp_inplace_tag
{
};
template< class T > class sp_reference_wrapper
{
public:
explicit sp_reference_wrapper( T & t): t_( boost::addressof( t ) )
{
}
template< class Y > void operator()( Y * p ) const
{
(*t_)( p );
}
private:
T * t_;
};
template< class D > struct sp_convert_reference
{
typedef D type;
};
template< class D > struct sp_convert_reference< D& >
{
typedef sp_reference_wrapper< D > type;
};
class weak_count;
class shared_count
{
private:
sp_counted_base * pi_;
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
int id_;
#endif
friend class weak_count;
public:
shared_count(): pi_(0) // nothrow
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
, id_(shared_count_id)
#endif
{
}
template<class Y> explicit shared_count( Y * p ): pi_( 0 )
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
, id_(shared_count_id)
#endif
{
#ifndef BOOST_NO_EXCEPTIONS
try
{
pi_ = new sp_counted_impl_p<Y>( p );
}
catch(...)
{
boost::checked_delete( p );
throw;
}
#else
pi_ = new sp_counted_impl_p<Y>( p );
if( pi_ == 0 )
{
boost::checked_delete( p );
boost::throw_exception( std::bad_alloc() );
}
#endif
}
#if defined( BOOST_MSVC ) && BOOST_WORKAROUND( BOOST_MSVC, <= 1200 )
template<class Y, class D> shared_count( Y * p, D d ): pi_(0)
#else
template<class P, class D> shared_count( P p, D d ): pi_(0)
#endif
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
, id_(shared_count_id)
#endif
{
#if defined( BOOST_MSVC ) && BOOST_WORKAROUND( BOOST_MSVC, <= 1200 )
typedef Y* P;
#endif
#ifndef BOOST_NO_EXCEPTIONS
try
{
pi_ = new sp_counted_impl_pd<P, D>(p, d);
}
catch(...)
{
d(p); // delete p
throw;
}
#else
pi_ = new sp_counted_impl_pd<P, D>(p, d);
if(pi_ == 0)
{
d(p); // delete p
boost::throw_exception(std::bad_alloc());
}
#endif
}
#if !defined( BOOST_NO_FUNCTION_TEMPLATE_ORDERING )
template< class P, class D > shared_count( P p, sp_inplace_tag<D> ): pi_( 0 )
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
, id_(shared_count_id)
#endif
{
#ifndef BOOST_NO_EXCEPTIONS
try
{
pi_ = new sp_counted_impl_pd< P, D >( p );
}
catch( ... )
{
D::operator_fn( p ); // delete p
throw;
}
#else
pi_ = new sp_counted_impl_pd< P, D >( p );
if( pi_ == 0 )
{
D::operator_fn( p ); // delete p
boost::throw_exception( std::bad_alloc() );
}
#endif // #ifndef BOOST_NO_EXCEPTIONS
}
#endif // !defined( BOOST_NO_FUNCTION_TEMPLATE_ORDERING )
template<class P, class D, class A> shared_count( P p, D d, A a ): pi_( 0 )
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
, id_(shared_count_id)
#endif
{
typedef sp_counted_impl_pda<P, D, A> impl_type;
#if !defined( BOOST_NO_CXX11_ALLOCATOR )
typedef typename std::allocator_traits<A>::template rebind_alloc< impl_type > A2;
#else
typedef typename A::template rebind< impl_type >::other A2;
#endif
A2 a2( a );
#ifndef BOOST_NO_EXCEPTIONS
try
{
pi_ = a2.allocate( 1 );
::new( static_cast< void* >( pi_ ) ) impl_type( p, d, a );
}
catch(...)
{
d( p );
if( pi_ != 0 )
{
a2.deallocate( static_cast< impl_type* >( pi_ ), 1 );
}
throw;
}
#else
pi_ = a2.allocate( 1 );
if( pi_ != 0 )
{
::new( static_cast< void* >( pi_ ) ) impl_type( p, d, a );
}
else
{
d( p );
boost::throw_exception( std::bad_alloc() );
}
#endif
}
#if !defined( BOOST_NO_FUNCTION_TEMPLATE_ORDERING )
template< class P, class D, class A > shared_count( P p, sp_inplace_tag< D >, A a ): pi_( 0 )
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
, id_(shared_count_id)
#endif
{
typedef sp_counted_impl_pda< P, D, A > impl_type;
#if !defined( BOOST_NO_CXX11_ALLOCATOR )
typedef typename std::allocator_traits<A>::template rebind_alloc< impl_type > A2;
#else
typedef typename A::template rebind< impl_type >::other A2;
#endif
A2 a2( a );
#ifndef BOOST_NO_EXCEPTIONS
try
{
pi_ = a2.allocate( 1 );
::new( static_cast< void* >( pi_ ) ) impl_type( p, a );
}
catch(...)
{
D::operator_fn( p );
if( pi_ != 0 )
{
a2.deallocate( static_cast< impl_type* >( pi_ ), 1 );
}
throw;
}
#else
pi_ = a2.allocate( 1 );
if( pi_ != 0 )
{
::new( static_cast< void* >( pi_ ) ) impl_type( p, a );
}
else
{
D::operator_fn( p );
boost::throw_exception( std::bad_alloc() );
}
#endif // #ifndef BOOST_NO_EXCEPTIONS
}
#endif // !defined( BOOST_NO_FUNCTION_TEMPLATE_ORDERING )
#ifndef BOOST_NO_AUTO_PTR
// auto_ptr<Y> is special cased to provide the strong guarantee
template<class Y>
explicit shared_count( std::auto_ptr<Y> & r ): pi_( new sp_counted_impl_p<Y>( r.get() ) )
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
, id_(shared_count_id)
#endif
{
#ifdef BOOST_NO_EXCEPTIONS
if( pi_ == 0 )
{
boost::throw_exception(std::bad_alloc());
}
#endif
r.release();
}
#endif
#if !defined( BOOST_NO_CXX11_SMART_PTR )
template<class Y, class D>
explicit shared_count( std::unique_ptr<Y, D> & r ): pi_( 0 )
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
, id_(shared_count_id)
#endif
{
typedef typename sp_convert_reference<D>::type D2;
D2 d2( r.get_deleter() );
pi_ = new sp_counted_impl_pd< typename std::unique_ptr<Y, D>::pointer, D2 >( r.get(), d2 );
#ifdef BOOST_NO_EXCEPTIONS
if( pi_ == 0 )
{
boost::throw_exception( std::bad_alloc() );
}
#endif
r.release();
}
#endif
template<class Y, class D>
explicit shared_count( boost::movelib::unique_ptr<Y, D> & r ): pi_( 0 )
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
, id_(shared_count_id)
#endif
{
typedef typename sp_convert_reference<D>::type D2;
D2 d2( r.get_deleter() );
pi_ = new sp_counted_impl_pd< typename boost::movelib::unique_ptr<Y, D>::pointer, D2 >( r.get(), d2 );
#ifdef BOOST_NO_EXCEPTIONS
if( pi_ == 0 )
{
boost::throw_exception( std::bad_alloc() );
}
#endif
r.release();
}
~shared_count() // nothrow
{
if( pi_ != 0 ) pi_->release();
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
id_ = 0;
#endif
}
shared_count(shared_count const & r): pi_(r.pi_) // nothrow
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
, id_(shared_count_id)
#endif
{
if( pi_ != 0 ) pi_->add_ref_copy();
}
#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
shared_count(shared_count && r): pi_(r.pi_) // nothrow
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
, id_(shared_count_id)
#endif
{
r.pi_ = 0;
}
#endif
explicit shared_count(weak_count const & r); // throws bad_weak_ptr when r.use_count() == 0
shared_count( weak_count const & r, sp_nothrow_tag ); // constructs an empty *this when r.use_count() == 0
shared_count & operator= (shared_count const & r) // nothrow
{
sp_counted_base * tmp = r.pi_;
if( tmp != pi_ )
{
if( tmp != 0 ) tmp->add_ref_copy();
if( pi_ != 0 ) pi_->release();
pi_ = tmp;
}
return *this;
}
void swap(shared_count & r) // nothrow
{
sp_counted_base * tmp = r.pi_;
r.pi_ = pi_;
pi_ = tmp;
}
long use_count() const // nothrow
{
return pi_ != 0? pi_->use_count(): 0;
}
bool unique() const // nothrow
{
return use_count() == 1;
}
bool empty() const // nothrow
{
return pi_ == 0;
}
friend inline bool operator==(shared_count const & a, shared_count const & b)
{
return a.pi_ == b.pi_;
}
friend inline bool operator<(shared_count const & a, shared_count const & b)
{
return std::less<sp_counted_base *>()( a.pi_, b.pi_ );
}
void * get_deleter( sp_typeinfo const & ti ) const
{
return pi_? pi_->get_deleter( ti ): 0;
}
void * get_untyped_deleter() const
{
return pi_? pi_->get_untyped_deleter(): 0;
}
};
class weak_count
{
private:
sp_counted_base * pi_;
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
int id_;
#endif
friend class shared_count;
public:
weak_count(): pi_(0) // nothrow
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
, id_(weak_count_id)
#endif
{
}
weak_count(shared_count const & r): pi_(r.pi_) // nothrow
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
, id_(weak_count_id)
#endif
{
if(pi_ != 0) pi_->weak_add_ref();
}
weak_count(weak_count const & r): pi_(r.pi_) // nothrow
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
, id_(weak_count_id)
#endif
{
if(pi_ != 0) pi_->weak_add_ref();
}
// Move support
#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
weak_count(weak_count && r): pi_(r.pi_) // nothrow
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
, id_(weak_count_id)
#endif
{
r.pi_ = 0;
}
#endif
~weak_count() // nothrow
{
if(pi_ != 0) pi_->weak_release();
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
id_ = 0;
#endif
}
weak_count & operator= (shared_count const & r) // nothrow
{
sp_counted_base * tmp = r.pi_;
if( tmp != pi_ )
{
if(tmp != 0) tmp->weak_add_ref();
if(pi_ != 0) pi_->weak_release();
pi_ = tmp;
}
return *this;
}
weak_count & operator= (weak_count const & r) // nothrow
{
sp_counted_base * tmp = r.pi_;
if( tmp != pi_ )
{
if(tmp != 0) tmp->weak_add_ref();
if(pi_ != 0) pi_->weak_release();
pi_ = tmp;
}
return *this;
}
void swap(weak_count & r) // nothrow
{
sp_counted_base * tmp = r.pi_;
r.pi_ = pi_;
pi_ = tmp;
}
long use_count() const // nothrow
{
return pi_ != 0? pi_->use_count(): 0;
}
bool empty() const // nothrow
{
return pi_ == 0;
}
friend inline bool operator==(weak_count const & a, weak_count const & b)
{
return a.pi_ == b.pi_;
}
friend inline bool operator<(weak_count const & a, weak_count const & b)
{
return std::less<sp_counted_base *>()(a.pi_, b.pi_);
}
};
inline shared_count::shared_count( weak_count const & r ): pi_( r.pi_ )
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
, id_(shared_count_id)
#endif
{
if( pi_ == 0 || !pi_->add_ref_lock() )
{
boost::throw_exception( boost::bad_weak_ptr() );
}
}
inline shared_count::shared_count( weak_count const & r, sp_nothrow_tag ): pi_( r.pi_ )
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
, id_(shared_count_id)
#endif
{
if( pi_ != 0 && !pi_->add_ref_lock() )
{
pi_ = 0;
}
}
} // namespace detail
} // namespace boost
#if defined( BOOST_SP_DISABLE_DEPRECATED )
#pragma GCC diagnostic pop
#endif
#ifdef __BORLANDC__
# pragma warn .8027 // Functions containing try are not expanded inline
#endif
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SHARED_COUNT_HPP_INCLUDED
@@ -0,0 +1,92 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_CONVERTIBLE_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_CONVERTIBLE_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
// detail/sp_convertible.hpp
//
// Copyright 2008 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
#include <boost/config.hpp>
#include <cstddef>
#if !defined( BOOST_SP_NO_SP_CONVERTIBLE ) && defined( BOOST_NO_SFINAE )
# define BOOST_SP_NO_SP_CONVERTIBLE
#endif
#if !defined( BOOST_SP_NO_SP_CONVERTIBLE ) && defined( __GNUC__ ) && ( __GNUC__ * 100 + __GNUC_MINOR__ < 303 )
# define BOOST_SP_NO_SP_CONVERTIBLE
#endif
#if !defined( BOOST_SP_NO_SP_CONVERTIBLE ) && defined( __BORLANDC__ ) && ( __BORLANDC__ < 0x630 )
# define BOOST_SP_NO_SP_CONVERTIBLE
#endif
#if !defined( BOOST_SP_NO_SP_CONVERTIBLE )
namespace boost
{
namespace detail
{
template< class Y, class T > struct sp_convertible
{
typedef char (&yes) [1];
typedef char (&no) [2];
static yes f( T* );
static no f( ... );
enum _vt { value = sizeof( (f)( static_cast<Y*>(0) ) ) == sizeof(yes) };
};
template< class Y, class T > struct sp_convertible< Y, T[] >
{
enum _vt { value = false };
};
template< class Y, class T > struct sp_convertible< Y[], T[] >
{
enum _vt { value = sp_convertible< Y[1], T[1] >::value };
};
template< class Y, std::size_t N, class T > struct sp_convertible< Y[N], T[] >
{
enum _vt { value = sp_convertible< Y[1], T[1] >::value };
};
struct sp_empty
{
};
template< bool > struct sp_enable_if_convertible_impl;
template<> struct sp_enable_if_convertible_impl<true>
{
typedef sp_empty type;
};
template<> struct sp_enable_if_convertible_impl<false>
{
};
template< class Y, class T > struct sp_enable_if_convertible: public sp_enable_if_convertible_impl< sp_convertible< Y, T >::value >
{
};
} // namespace detail
} // namespace boost
#endif // !defined( BOOST_SP_NO_SP_CONVERTIBLE )
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_CONVERTIBLE_HPP_INCLUDED
@@ -0,0 +1,96 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// detail/sp_counted_base.hpp
//
// Copyright 2005-2013 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <boost/config.hpp>
#include <boost/smart_ptr/detail/sp_has_sync.hpp>
#if !defined( __c2__ ) && defined( __clang__ ) && defined( __has_extension )
# if __has_extension( __c_atomic__ )
# define BOOST_SP_HAS_CLANG_C11_ATOMICS
# endif
#endif
#if defined( BOOST_SP_DISABLE_THREADS )
# include <boost/smart_ptr/detail/sp_counted_base_nt.hpp>
#elif defined( BOOST_SP_USE_STD_ATOMIC )
# include <boost/smart_ptr/detail/sp_counted_base_std_atomic.hpp>
#elif defined( BOOST_SP_USE_SPINLOCK )
# include <boost/smart_ptr/detail/sp_counted_base_spin.hpp>
#elif defined( BOOST_SP_USE_PTHREADS )
# include <boost/smart_ptr/detail/sp_counted_base_pt.hpp>
#elif defined( BOOST_DISABLE_THREADS ) && !defined( BOOST_SP_ENABLE_THREADS ) && !defined( BOOST_DISABLE_WIN32 )
# include <boost/smart_ptr/detail/sp_counted_base_nt.hpp>
#elif defined( BOOST_SP_HAS_CLANG_C11_ATOMICS )
# include <boost/smart_ptr/detail/sp_counted_base_clang.hpp>
#elif !defined( BOOST_NO_CXX11_HDR_ATOMIC )
# include <boost/smart_ptr/detail/sp_counted_base_std_atomic.hpp>
#elif defined( __SNC__ )
# include <boost/smart_ptr/detail/sp_counted_base_snc_ps3.hpp>
#elif defined( __GNUC__ ) && ( defined( __i386__ ) || defined( __x86_64__ ) ) && !defined(__PATHSCALE__)
# include <boost/smart_ptr/detail/sp_counted_base_gcc_x86.hpp>
#elif defined(__HP_aCC) && defined(__ia64)
# include <boost/smart_ptr/detail/sp_counted_base_acc_ia64.hpp>
#elif defined( __GNUC__ ) && defined( __ia64__ ) && !defined( __INTEL_COMPILER ) && !defined(__PATHSCALE__)
# include <boost/smart_ptr/detail/sp_counted_base_gcc_ia64.hpp>
#elif defined( __IBMCPP__ ) && defined( __powerpc )
# include <boost/smart_ptr/detail/sp_counted_base_vacpp_ppc.hpp>
#elif defined( __MWERKS__ ) && defined( __POWERPC__ )
# include <boost/smart_ptr/detail/sp_counted_base_cw_ppc.hpp>
#elif defined( __GNUC__ ) && ( defined( __powerpc__ ) || defined( __ppc__ ) || defined( __ppc ) ) && !defined(__PATHSCALE__) && !defined( _AIX )
# include <boost/smart_ptr/detail/sp_counted_base_gcc_ppc.hpp>
#elif defined( __GNUC__ ) && ( defined( __mips__ ) || defined( _mips ) ) && !defined(__PATHSCALE__) && !defined( __mips16 )
# include <boost/smart_ptr/detail/sp_counted_base_gcc_mips.hpp>
#elif defined( BOOST_SP_HAS_SYNC )
# include <boost/smart_ptr/detail/sp_counted_base_sync.hpp>
#elif defined(__GNUC__) && ( defined( __sparcv9 ) || ( defined( __sparcv8 ) && ( __GNUC__ * 100 + __GNUC_MINOR__ >= 402 ) ) )
# include <boost/smart_ptr/detail/sp_counted_base_gcc_sparc.hpp>
#elif defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined(__CYGWIN__)
# include <boost/smart_ptr/detail/sp_counted_base_w32.hpp>
#elif defined( _AIX )
# include <boost/smart_ptr/detail/sp_counted_base_aix.hpp>
#elif !defined( BOOST_HAS_THREADS )
# include <boost/smart_ptr/detail/sp_counted_base_nt.hpp>
#else
# include <boost/smart_ptr/detail/sp_counted_base_spin.hpp>
#endif
#undef BOOST_SP_HAS_CLANG_C11_ATOMICS
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_HPP_INCLUDED
@@ -0,0 +1,151 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_ACC_IA64_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_ACC_IA64_HPP_INCLUDED
//
// detail/sp_counted_base_acc_ia64.hpp - aC++ on HP-UX IA64
//
// Copyright 2007 Baruch Zilber
// Copyright 2007 Boris Gubenko
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
//
// Lock-free algorithm by Alexander Terekhov
//
#include <boost/detail/sp_typeinfo.hpp>
#include <machine/sys/inline.h>
namespace boost
{
namespace detail
{
inline void atomic_increment( int * pw )
{
// ++*pw;
_Asm_fetchadd(_FASZ_W, _SEM_REL, pw, +1, _LDHINT_NONE);
}
inline int atomic_decrement( int * pw )
{
// return --*pw;
int r = static_cast<int>(_Asm_fetchadd(_FASZ_W, _SEM_REL, pw, -1, _LDHINT_NONE));
if (1 == r)
{
_Asm_mf();
}
return r - 1;
}
inline int atomic_conditional_increment( int * pw )
{
// if( *pw != 0 ) ++*pw;
// return *pw;
int v = *pw;
for (;;)
{
if (0 == v)
{
return 0;
}
_Asm_mov_to_ar(_AREG_CCV,
v,
(_UP_CALL_FENCE | _UP_SYS_FENCE | _DOWN_CALL_FENCE | _DOWN_SYS_FENCE));
int r = static_cast<int>(_Asm_cmpxchg(_SZ_W, _SEM_ACQ, pw, v + 1, _LDHINT_NONE));
if (r == v)
{
return r + 1;
}
v = r;
}
}
class sp_counted_base
{
private:
sp_counted_base( sp_counted_base const & );
sp_counted_base & operator= ( sp_counted_base const & );
int use_count_; // #shared
int weak_count_; // #weak + (#shared != 0)
public:
sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
{
}
virtual ~sp_counted_base() // nothrow
{
}
// dispose() is called when use_count_ drops to zero, to release
// the resources managed by *this.
virtual void dispose() = 0; // nothrow
// destroy() is called when weak_count_ drops to zero.
virtual void destroy() // nothrow
{
delete this;
}
virtual void * get_deleter( sp_typeinfo const & ti ) = 0;
virtual void * get_untyped_deleter() = 0;
void add_ref_copy()
{
atomic_increment( &use_count_ );
}
bool add_ref_lock() // true on success
{
return atomic_conditional_increment( &use_count_ ) != 0;
}
void release() // nothrow
{
if( atomic_decrement( &use_count_ ) == 0 )
{
dispose();
weak_release();
}
}
void weak_add_ref() // nothrow
{
atomic_increment( &weak_count_ );
}
void weak_release() // nothrow
{
if( atomic_decrement( &weak_count_ ) == 0 )
{
destroy();
}
}
long use_count() const // nothrow
{
return static_cast<int const volatile &>( use_count_ ); // TODO use ld.acq here
}
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_ACC_IA64_HPP_INCLUDED
@@ -0,0 +1,143 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_AIX_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_AIX_HPP_INCLUDED
//
// detail/sp_counted_base_aix.hpp
// based on: detail/sp_counted_base_w32.hpp
//
// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
// Copyright 2004-2005 Peter Dimov
// Copyright 2006 Michael van der Westhuizen
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
//
// Lock-free algorithm by Alexander Terekhov
//
// Thanks to Ben Hitchings for the #weak + (#shared != 0)
// formulation
//
#include <boost/detail/sp_typeinfo.hpp>
#include <builtins.h>
#include <sys/atomic_op.h>
namespace boost
{
namespace detail
{
inline void atomic_increment( int32_t* pw )
{
// ++*pw;
fetch_and_add( pw, 1 );
}
inline int32_t atomic_decrement( int32_t * pw )
{
// return --*pw;
int32_t originalValue;
__lwsync();
originalValue = fetch_and_add( pw, -1 );
__isync();
return (originalValue - 1);
}
inline int32_t atomic_conditional_increment( int32_t * pw )
{
// if( *pw != 0 ) ++*pw;
// return *pw;
int32_t tmp = fetch_and_add( pw, 0 );
for( ;; )
{
if( tmp == 0 ) return 0;
if( compare_and_swap( pw, &tmp, tmp + 1 ) ) return (tmp + 1);
}
}
class sp_counted_base
{
private:
sp_counted_base( sp_counted_base const & );
sp_counted_base & operator= ( sp_counted_base const & );
int32_t use_count_; // #shared
int32_t weak_count_; // #weak + (#shared != 0)
public:
sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
{
}
virtual ~sp_counted_base() // nothrow
{
}
// dispose() is called when use_count_ drops to zero, to release
// the resources managed by *this.
virtual void dispose() = 0; // nothrow
// destroy() is called when weak_count_ drops to zero.
virtual void destroy() // nothrow
{
delete this;
}
virtual void * get_deleter( sp_typeinfo const & ti ) = 0;
virtual void * get_untyped_deleter() = 0;
void add_ref_copy()
{
atomic_increment( &use_count_ );
}
bool add_ref_lock() // true on success
{
return atomic_conditional_increment( &use_count_ ) != 0;
}
void release() // nothrow
{
if( atomic_decrement( &use_count_ ) == 0 )
{
dispose();
weak_release();
}
}
void weak_add_ref() // nothrow
{
atomic_increment( &weak_count_ );
}
void weak_release() // nothrow
{
if( atomic_decrement( &weak_count_ ) == 0 )
{
destroy();
}
}
long use_count() const // nothrow
{
return fetch_and_add( const_cast<int32_t*>(&use_count_), 0 );
}
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_AIX_HPP_INCLUDED
@@ -0,0 +1,149 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_CLANG_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_CLANG_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
// detail/sp_counted_base_clang.hpp - __c11 clang intrinsics
//
// Copyright (c) 2007, 2013, 2015 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
#include <boost/detail/sp_typeinfo.hpp>
#include <boost/cstdint.hpp>
namespace boost
{
namespace detail
{
typedef _Atomic( boost::int_least32_t ) atomic_int_least32_t;
inline void atomic_increment( atomic_int_least32_t * pw )
{
__c11_atomic_fetch_add( pw, 1, __ATOMIC_RELAXED );
}
inline boost::int_least32_t atomic_decrement( atomic_int_least32_t * pw )
{
return __c11_atomic_fetch_sub( pw, 1, __ATOMIC_ACQ_REL );
}
inline boost::int_least32_t atomic_conditional_increment( atomic_int_least32_t * pw )
{
// long r = *pw;
// if( r != 0 ) ++*pw;
// return r;
boost::int_least32_t r = __c11_atomic_load( pw, __ATOMIC_RELAXED );
for( ;; )
{
if( r == 0 )
{
return r;
}
if( __c11_atomic_compare_exchange_weak( pw, &r, r + 1, __ATOMIC_RELAXED, __ATOMIC_RELAXED ) )
{
return r;
}
}
}
#if defined(__clang__)
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wweak-vtables"
#endif
class sp_counted_base
{
private:
sp_counted_base( sp_counted_base const & );
sp_counted_base & operator= ( sp_counted_base const & );
atomic_int_least32_t use_count_; // #shared
atomic_int_least32_t weak_count_; // #weak + (#shared != 0)
public:
sp_counted_base()
{
__c11_atomic_init( &use_count_, 1 );
__c11_atomic_init( &weak_count_, 1 );
}
virtual ~sp_counted_base() // nothrow
{
}
// dispose() is called when use_count_ drops to zero, to release
// the resources managed by *this.
virtual void dispose() = 0; // nothrow
// destroy() is called when weak_count_ drops to zero.
virtual void destroy() // nothrow
{
delete this;
}
virtual void * get_deleter( sp_typeinfo const & ti ) = 0;
virtual void * get_untyped_deleter() = 0;
void add_ref_copy()
{
atomic_increment( &use_count_ );
}
bool add_ref_lock() // true on success
{
return atomic_conditional_increment( &use_count_ ) != 0;
}
void release() // nothrow
{
if( atomic_decrement( &use_count_ ) == 1 )
{
dispose();
weak_release();
}
}
void weak_add_ref() // nothrow
{
atomic_increment( &weak_count_ );
}
void weak_release() // nothrow
{
if( atomic_decrement( &weak_count_ ) == 1 )
{
destroy();
}
}
long use_count() const // nothrow
{
return __c11_atomic_load( const_cast< atomic_int_least32_t* >( &use_count_ ), __ATOMIC_ACQUIRE );
}
};
#if defined(__clang__)
# pragma clang diagnostic pop
#endif
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_CLANG_HPP_INCLUDED
@@ -0,0 +1,171 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_CW_PPC_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_CW_PPC_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// detail/sp_counted_base_cw_ppc.hpp - CodeWarrior on PowerPC
//
// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
// Copyright 2004-2005 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
//
// Lock-free algorithm by Alexander Terekhov
//
// Thanks to Ben Hitchings for the #weak + (#shared != 0)
// formulation
//
#include <boost/detail/sp_typeinfo.hpp>
namespace boost
{
namespace detail
{
inline void atomic_increment( register long * pw )
{
register int a;
asm
{
loop:
lwarx a, 0, pw
addi a, a, 1
stwcx. a, 0, pw
bne- loop
}
}
inline long atomic_decrement( register long * pw )
{
register int a;
asm
{
sync
loop:
lwarx a, 0, pw
addi a, a, -1
stwcx. a, 0, pw
bne- loop
isync
}
return a;
}
inline long atomic_conditional_increment( register long * pw )
{
register int a;
asm
{
loop:
lwarx a, 0, pw
cmpwi a, 0
beq store
addi a, a, 1
store:
stwcx. a, 0, pw
bne- loop
}
return a;
}
class sp_counted_base
{
private:
sp_counted_base( sp_counted_base const & );
sp_counted_base & operator= ( sp_counted_base const & );
long use_count_; // #shared
long weak_count_; // #weak + (#shared != 0)
public:
sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
{
}
virtual ~sp_counted_base() // nothrow
{
}
// dispose() is called when use_count_ drops to zero, to release
// the resources managed by *this.
virtual void dispose() = 0; // nothrow
// destroy() is called when weak_count_ drops to zero.
virtual void destroy() // nothrow
{
delete this;
}
virtual void * get_deleter( sp_typeinfo const & ti ) = 0;
virtual void * get_untyped_deleter() = 0;
void add_ref_copy()
{
atomic_increment( &use_count_ );
}
bool add_ref_lock() // true on success
{
return atomic_conditional_increment( &use_count_ ) != 0;
}
void release() // nothrow
{
if( atomic_decrement( &use_count_ ) == 0 )
{
dispose();
weak_release();
}
}
void weak_add_ref() // nothrow
{
atomic_increment( &weak_count_ );
}
void weak_release() // nothrow
{
if( atomic_decrement( &weak_count_ ) == 0 )
{
destroy();
}
}
long use_count() const // nothrow
{
return static_cast<long const volatile &>( use_count_ );
}
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_CW_PPC_HPP_INCLUDED
@@ -0,0 +1,159 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_CW_X86_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_CW_X86_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// detail/sp_counted_base_cw_x86.hpp - CodeWarrion on 486+
//
// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
// Copyright 2004-2005 Peter Dimov
// Copyright 2005 Rene Rivera
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
//
// Lock-free algorithm by Alexander Terekhov
//
// Thanks to Ben Hitchings for the #weak + (#shared != 0)
// formulation
//
#include <boost/detail/sp_typeinfo.hpp>
namespace boost
{
namespace detail
{
inline int atomic_exchange_and_add( int * pw, int dv )
{
// int r = *pw;
// *pw += dv;
// return r;
asm
{
mov esi, [pw]
mov eax, dv
lock xadd dword ptr [esi], eax
}
}
inline void atomic_increment( int * pw )
{
//atomic_exchange_and_add( pw, 1 );
asm
{
mov esi, [pw]
lock inc dword ptr [esi]
}
}
inline int atomic_conditional_increment( int * pw )
{
// int rv = *pw;
// if( rv != 0 ) ++*pw;
// return rv;
asm
{
mov esi, [pw]
mov eax, dword ptr [esi]
L0:
test eax, eax
je L1
mov ebx, eax
inc ebx
lock cmpxchg dword ptr [esi], ebx
jne L0
L1:
}
}
class sp_counted_base
{
private:
sp_counted_base( sp_counted_base const & );
sp_counted_base & operator= ( sp_counted_base const & );
int use_count_; // #shared
int weak_count_; // #weak + (#shared != 0)
public:
sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
{
}
virtual ~sp_counted_base() // nothrow
{
}
// dispose() is called when use_count_ drops to zero, to release
// the resources managed by *this.
virtual void dispose() = 0; // nothrow
// destroy() is called when weak_count_ drops to zero.
virtual void destroy() // nothrow
{
delete this;
}
virtual void * get_deleter( sp_typeinfo const & ti ) = 0;
virtual void * get_untyped_deleter() = 0;
void add_ref_copy()
{
atomic_increment( &use_count_ );
}
bool add_ref_lock() // true on success
{
return atomic_conditional_increment( &use_count_ ) != 0;
}
void release() // nothrow
{
if( atomic_exchange_and_add( &use_count_, -1 ) == 1 )
{
dispose();
weak_release();
}
}
void weak_add_ref() // nothrow
{
atomic_increment( &weak_count_ );
}
void weak_release() // nothrow
{
if( atomic_exchange_and_add( &weak_count_, -1 ) == 1 )
{
destroy();
}
}
long use_count() const // nothrow
{
return static_cast<int const volatile &>( use_count_ );
}
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_CW_X86_HPP_INCLUDED
@@ -0,0 +1,158 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_IA64_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_IA64_HPP_INCLUDED
//
// detail/sp_counted_base_gcc_ia64.hpp - g++ on IA64
//
// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
// Copyright 2004-2006 Peter Dimov
// Copyright 2005 Ben Hutchings
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
//
// Lock-free algorithm by Alexander Terekhov
//
#include <boost/detail/sp_typeinfo.hpp>
namespace boost
{
namespace detail
{
inline void atomic_increment( int * pw )
{
// ++*pw;
int tmp;
// No barrier is required here but fetchadd always has an acquire or
// release barrier associated with it. We choose release as it should be
// cheaper.
__asm__ ("fetchadd4.rel %0=%1,1" :
"=r"(tmp), "=m"(*pw) :
"m"( *pw ));
}
inline int atomic_decrement( int * pw )
{
// return --*pw;
int rv;
__asm__ (" fetchadd4.rel %0=%1,-1 ;; \n"
" cmp.eq p7,p0=1,%0 ;; \n"
"(p7) ld4.acq %0=%1 " :
"=&r"(rv), "=m"(*pw) :
"m"( *pw ) :
"p7");
return rv;
}
inline int atomic_conditional_increment( int * pw )
{
// if( *pw != 0 ) ++*pw;
// return *pw;
int rv, tmp, tmp2;
__asm__ ("0: ld4 %0=%3 ;; \n"
" cmp.eq p7,p0=0,%0 ;; \n"
"(p7) br.cond.spnt 1f \n"
" mov ar.ccv=%0 \n"
" add %1=1,%0 ;; \n"
" cmpxchg4.acq %2=%3,%1,ar.ccv ;; \n"
" cmp.ne p7,p0=%0,%2 ;; \n"
"(p7) br.cond.spnt 0b \n"
" mov %0=%1 ;; \n"
"1:" :
"=&r"(rv), "=&r"(tmp), "=&r"(tmp2), "=m"(*pw) :
"m"( *pw ) :
"ar.ccv", "p7");
return rv;
}
class sp_counted_base
{
private:
sp_counted_base( sp_counted_base const & );
sp_counted_base & operator= ( sp_counted_base const & );
int use_count_; // #shared
int weak_count_; // #weak + (#shared != 0)
public:
sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
{
}
virtual ~sp_counted_base() // nothrow
{
}
// dispose() is called when use_count_ drops to zero, to release
// the resources managed by *this.
virtual void dispose() = 0; // nothrow
// destroy() is called when weak_count_ drops to zero.
virtual void destroy() // nothrow
{
delete this;
}
virtual void * get_deleter( sp_typeinfo const & ti ) = 0;
virtual void * get_untyped_deleter() = 0;
void add_ref_copy()
{
atomic_increment( &use_count_ );
}
bool add_ref_lock() // true on success
{
return atomic_conditional_increment( &use_count_ ) != 0;
}
void release() // nothrow
{
if( atomic_decrement( &use_count_ ) == 0 )
{
dispose();
weak_release();
}
}
void weak_add_ref() // nothrow
{
atomic_increment( &weak_count_ );
}
void weak_release() // nothrow
{
if( atomic_decrement( &weak_count_ ) == 0 )
{
destroy();
}
}
long use_count() const // nothrow
{
return static_cast<int const volatile &>( use_count_ ); // TODO use ld.acq here
}
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_IA64_HPP_INCLUDED
@@ -0,0 +1,182 @@
#ifndef BOOST_DETAIL_SP_COUNTED_BASE_GCC_MIPS_HPP_INCLUDED
#define BOOST_DETAIL_SP_COUNTED_BASE_GCC_MIPS_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// detail/sp_counted_base_gcc_mips.hpp - g++ on MIPS
//
// Copyright (c) 2009, Spirent Communications, Inc.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
//
// Lock-free algorithm by Alexander Terekhov
//
#include <boost/detail/sp_typeinfo.hpp>
namespace boost
{
namespace detail
{
inline void atomic_increment( int * pw )
{
// ++*pw;
int tmp;
__asm__ __volatile__
(
"0:\n\t"
".set push\n\t"
".set mips2\n\t"
"ll %0, %1\n\t"
"addiu %0, 1\n\t"
"sc %0, %1\n\t"
".set pop\n\t"
"beqz %0, 0b":
"=&r"( tmp ), "=m"( *pw ):
"m"( *pw )
);
}
inline int atomic_decrement( int * pw )
{
// return --*pw;
int rv, tmp;
__asm__ __volatile__
(
"0:\n\t"
".set push\n\t"
".set mips2\n\t"
"ll %1, %2\n\t"
"addiu %0, %1, -1\n\t"
"sc %0, %2\n\t"
".set pop\n\t"
"beqz %0, 0b\n\t"
"addiu %0, %1, -1":
"=&r"( rv ), "=&r"( tmp ), "=m"( *pw ):
"m"( *pw ):
"memory"
);
return rv;
}
inline int atomic_conditional_increment( int * pw )
{
// if( *pw != 0 ) ++*pw;
// return *pw;
int rv, tmp;
__asm__ __volatile__
(
"0:\n\t"
".set push\n\t"
".set mips2\n\t"
"ll %0, %2\n\t"
"beqz %0, 1f\n\t"
"addiu %1, %0, 1\n\t"
"sc %1, %2\n\t"
".set pop\n\t"
"beqz %1, 0b\n\t"
"addiu %0, %0, 1\n\t"
"1:":
"=&r"( rv ), "=&r"( tmp ), "=m"( *pw ):
"m"( *pw ):
"memory"
);
return rv;
}
class sp_counted_base
{
private:
sp_counted_base( sp_counted_base const & );
sp_counted_base & operator= ( sp_counted_base const & );
int use_count_; // #shared
int weak_count_; // #weak + (#shared != 0)
public:
sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
{
}
virtual ~sp_counted_base() // nothrow
{
}
// dispose() is called when use_count_ drops to zero, to release
// the resources managed by *this.
virtual void dispose() = 0; // nothrow
// destroy() is called when weak_count_ drops to zero.
virtual void destroy() // nothrow
{
delete this;
}
virtual void * get_deleter( sp_typeinfo const & ti ) = 0;
virtual void * get_untyped_deleter() = 0;
void add_ref_copy()
{
atomic_increment( &use_count_ );
}
bool add_ref_lock() // true on success
{
return atomic_conditional_increment( &use_count_ ) != 0;
}
void release() // nothrow
{
if( atomic_decrement( &use_count_ ) == 0 )
{
dispose();
weak_release();
}
}
void weak_add_ref() // nothrow
{
atomic_increment( &weak_count_ );
}
void weak_release() // nothrow
{
if( atomic_decrement( &weak_count_ ) == 0 )
{
destroy();
}
}
long use_count() const // nothrow
{
return static_cast<int const volatile &>( use_count_ );
}
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_DETAIL_SP_COUNTED_BASE_GCC_MIPS_HPP_INCLUDED
@@ -0,0 +1,182 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_PPC_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_PPC_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// detail/sp_counted_base_gcc_ppc.hpp - g++ on PowerPC
//
// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
// Copyright 2004-2005 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
//
// Lock-free algorithm by Alexander Terekhov
//
// Thanks to Ben Hitchings for the #weak + (#shared != 0)
// formulation
//
#include <boost/detail/sp_typeinfo.hpp>
namespace boost
{
namespace detail
{
inline void atomic_increment( int * pw )
{
// ++*pw;
int tmp;
__asm__
(
"0:\n\t"
"lwarx %1, 0, %2\n\t"
"addi %1, %1, 1\n\t"
"stwcx. %1, 0, %2\n\t"
"bne- 0b":
"=m"( *pw ), "=&b"( tmp ):
"r"( pw ), "m"( *pw ):
"cc"
);
}
inline int atomic_decrement( int * pw )
{
// return --*pw;
int rv;
__asm__ __volatile__
(
"sync\n\t"
"0:\n\t"
"lwarx %1, 0, %2\n\t"
"addi %1, %1, -1\n\t"
"stwcx. %1, 0, %2\n\t"
"bne- 0b\n\t"
"isync":
"=m"( *pw ), "=&b"( rv ):
"r"( pw ), "m"( *pw ):
"memory", "cc"
);
return rv;
}
inline int atomic_conditional_increment( int * pw )
{
// if( *pw != 0 ) ++*pw;
// return *pw;
int rv;
__asm__
(
"0:\n\t"
"lwarx %1, 0, %2\n\t"
"cmpwi %1, 0\n\t"
"beq 1f\n\t"
"addi %1, %1, 1\n\t"
"1:\n\t"
"stwcx. %1, 0, %2\n\t"
"bne- 0b":
"=m"( *pw ), "=&b"( rv ):
"r"( pw ), "m"( *pw ):
"cc"
);
return rv;
}
class sp_counted_base
{
private:
sp_counted_base( sp_counted_base const & );
sp_counted_base & operator= ( sp_counted_base const & );
int use_count_; // #shared
int weak_count_; // #weak + (#shared != 0)
public:
sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
{
}
virtual ~sp_counted_base() // nothrow
{
}
// dispose() is called when use_count_ drops to zero, to release
// the resources managed by *this.
virtual void dispose() = 0; // nothrow
// destroy() is called when weak_count_ drops to zero.
virtual void destroy() // nothrow
{
delete this;
}
virtual void * get_deleter( sp_typeinfo const & ti ) = 0;
virtual void * get_untyped_deleter() = 0;
void add_ref_copy()
{
atomic_increment( &use_count_ );
}
bool add_ref_lock() // true on success
{
return atomic_conditional_increment( &use_count_ ) != 0;
}
void release() // nothrow
{
if( atomic_decrement( &use_count_ ) == 0 )
{
dispose();
weak_release();
}
}
void weak_add_ref() // nothrow
{
atomic_increment( &weak_count_ );
}
void weak_release() // nothrow
{
if( atomic_decrement( &weak_count_ ) == 0 )
{
destroy();
}
}
long use_count() const // nothrow
{
return static_cast<int const volatile &>( use_count_ );
}
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_PPC_HPP_INCLUDED
@@ -0,0 +1,167 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_SPARC_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_SPARC_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
// detail/sp_counted_base_gcc_sparc.hpp - g++ on Sparc V8+
//
// Copyright (c) 2006 Piotr Wyderski
// Copyright (c) 2006 Tomas Puverle
// Copyright (c) 2006 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
// Thanks to Michael van der Westhuizen
#include <boost/detail/sp_typeinfo.hpp>
#include <inttypes.h> // int32_t
namespace boost
{
namespace detail
{
inline int32_t compare_and_swap( int32_t * dest_, int32_t compare_, int32_t swap_ )
{
__asm__ __volatile__( "cas [%1], %2, %0"
: "+r" (swap_)
: "r" (dest_), "r" (compare_)
: "memory" );
return swap_;
}
inline int32_t atomic_fetch_and_add( int32_t * pw, int32_t dv )
{
// long r = *pw;
// *pw += dv;
// return r;
for( ;; )
{
int32_t r = *pw;
if( __builtin_expect((compare_and_swap(pw, r, r + dv) == r), 1) )
{
return r;
}
}
}
inline void atomic_increment( int32_t * pw )
{
atomic_fetch_and_add( pw, 1 );
}
inline int32_t atomic_decrement( int32_t * pw )
{
return atomic_fetch_and_add( pw, -1 );
}
inline int32_t atomic_conditional_increment( int32_t * pw )
{
// long r = *pw;
// if( r != 0 ) ++*pw;
// return r;
for( ;; )
{
int32_t r = *pw;
if( r == 0 )
{
return r;
}
if( __builtin_expect( ( compare_and_swap( pw, r, r + 1 ) == r ), 1 ) )
{
return r;
}
}
}
class sp_counted_base
{
private:
sp_counted_base( sp_counted_base const & );
sp_counted_base & operator= ( sp_counted_base const & );
int32_t use_count_; // #shared
int32_t weak_count_; // #weak + (#shared != 0)
public:
sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
{
}
virtual ~sp_counted_base() // nothrow
{
}
// dispose() is called when use_count_ drops to zero, to release
// the resources managed by *this.
virtual void dispose() = 0; // nothrow
// destroy() is called when weak_count_ drops to zero.
virtual void destroy() // nothrow
{
delete this;
}
virtual void * get_deleter( sp_typeinfo const & ti ) = 0;
virtual void * get_untyped_deleter() = 0;
void add_ref_copy()
{
atomic_increment( &use_count_ );
}
bool add_ref_lock() // true on success
{
return atomic_conditional_increment( &use_count_ ) != 0;
}
void release() // nothrow
{
if( atomic_decrement( &use_count_ ) == 1 )
{
dispose();
weak_release();
}
}
void weak_add_ref() // nothrow
{
atomic_increment( &weak_count_ );
}
void weak_release() // nothrow
{
if( atomic_decrement( &weak_count_ ) == 1 )
{
destroy();
}
}
long use_count() const // nothrow
{
return const_cast< int32_t const volatile & >( use_count_ );
}
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_SPARC_HPP_INCLUDED
@@ -0,0 +1,174 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_X86_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_X86_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// detail/sp_counted_base_gcc_x86.hpp - g++ on 486+ or AMD64
//
// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
// Copyright 2004-2005 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
//
// Lock-free algorithm by Alexander Terekhov
//
// Thanks to Ben Hitchings for the #weak + (#shared != 0)
// formulation
//
#include <boost/detail/sp_typeinfo.hpp>
namespace boost
{
namespace detail
{
inline int atomic_exchange_and_add( int * pw, int dv )
{
// int r = *pw;
// *pw += dv;
// return r;
int r;
__asm__ __volatile__
(
"lock\n\t"
"xadd %1, %0":
"=m"( *pw ), "=r"( r ): // outputs (%0, %1)
"m"( *pw ), "1"( dv ): // inputs (%2, %3 == %1)
"memory", "cc" // clobbers
);
return r;
}
inline void atomic_increment( int * pw )
{
//atomic_exchange_and_add( pw, 1 );
__asm__
(
"lock\n\t"
"incl %0":
"=m"( *pw ): // output (%0)
"m"( *pw ): // input (%1)
"cc" // clobbers
);
}
inline int atomic_conditional_increment( int * pw )
{
// int rv = *pw;
// if( rv != 0 ) ++*pw;
// return rv;
int rv, tmp;
__asm__
(
"movl %0, %%eax\n\t"
"0:\n\t"
"test %%eax, %%eax\n\t"
"je 1f\n\t"
"movl %%eax, %2\n\t"
"incl %2\n\t"
"lock\n\t"
"cmpxchgl %2, %0\n\t"
"jne 0b\n\t"
"1:":
"=m"( *pw ), "=&a"( rv ), "=&r"( tmp ): // outputs (%0, %1, %2)
"m"( *pw ): // input (%3)
"cc" // clobbers
);
return rv;
}
class sp_counted_base
{
private:
sp_counted_base( sp_counted_base const & );
sp_counted_base & operator= ( sp_counted_base const & );
int use_count_; // #shared
int weak_count_; // #weak + (#shared != 0)
public:
sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
{
}
virtual ~sp_counted_base() // nothrow
{
}
// dispose() is called when use_count_ drops to zero, to release
// the resources managed by *this.
virtual void dispose() = 0; // nothrow
// destroy() is called when weak_count_ drops to zero.
virtual void destroy() // nothrow
{
delete this;
}
virtual void * get_deleter( sp_typeinfo const & ti ) = 0;
virtual void * get_untyped_deleter() = 0;
void add_ref_copy()
{
atomic_increment( &use_count_ );
}
bool add_ref_lock() // true on success
{
return atomic_conditional_increment( &use_count_ ) != 0;
}
void release() // nothrow
{
if( atomic_exchange_and_add( &use_count_, -1 ) == 1 )
{
dispose();
weak_release();
}
}
void weak_add_ref() // nothrow
{
atomic_increment( &weak_count_ );
}
void weak_release() // nothrow
{
if( atomic_exchange_and_add( &weak_count_, -1 ) == 1 )
{
destroy();
}
}
long use_count() const // nothrow
{
return static_cast<int const volatile &>( use_count_ );
}
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_X86_HPP_INCLUDED
@@ -0,0 +1,108 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_NT_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_NT_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// detail/sp_counted_base_nt.hpp
//
// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
// Copyright 2004-2005 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <boost/detail/sp_typeinfo.hpp>
namespace boost
{
namespace detail
{
class sp_counted_base
{
private:
sp_counted_base( sp_counted_base const & );
sp_counted_base & operator= ( sp_counted_base const & );
long use_count_; // #shared
long weak_count_; // #weak + (#shared != 0)
public:
sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
{
}
virtual ~sp_counted_base() // nothrow
{
}
// dispose() is called when use_count_ drops to zero, to release
// the resources managed by *this.
virtual void dispose() = 0; // nothrow
// destroy() is called when weak_count_ drops to zero.
virtual void destroy() // nothrow
{
delete this;
}
virtual void * get_deleter( sp_typeinfo const & ti ) = 0;
virtual void * get_untyped_deleter() = 0;
void add_ref_copy()
{
++use_count_;
}
bool add_ref_lock() // true on success
{
if( use_count_ == 0 ) return false;
++use_count_;
return true;
}
void release() // nothrow
{
if( --use_count_ == 0 )
{
dispose();
weak_release();
}
}
void weak_add_ref() // nothrow
{
++weak_count_;
}
void weak_release() // nothrow
{
if( --weak_count_ == 0 )
{
destroy();
}
}
long use_count() const // nothrow
{
return use_count_;
}
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_NT_HPP_INCLUDED
@@ -0,0 +1,137 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_PT_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_PT_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// detail/sp_counted_base_pt.hpp
//
// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
// Copyright 2004-2005 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <boost/detail/sp_typeinfo.hpp>
#include <boost/assert.hpp>
#include <pthread.h>
namespace boost
{
namespace detail
{
class sp_counted_base
{
private:
sp_counted_base( sp_counted_base const & );
sp_counted_base & operator= ( sp_counted_base const & );
long use_count_; // #shared
long weak_count_; // #weak + (#shared != 0)
mutable pthread_mutex_t m_;
public:
sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
{
// HPUX 10.20 / DCE has a nonstandard pthread_mutex_init
#if defined(__hpux) && defined(_DECTHREADS_)
BOOST_VERIFY( pthread_mutex_init( &m_, pthread_mutexattr_default ) == 0 );
#else
BOOST_VERIFY( pthread_mutex_init( &m_, 0 ) == 0 );
#endif
}
virtual ~sp_counted_base() // nothrow
{
BOOST_VERIFY( pthread_mutex_destroy( &m_ ) == 0 );
}
// dispose() is called when use_count_ drops to zero, to release
// the resources managed by *this.
virtual void dispose() = 0; // nothrow
// destroy() is called when weak_count_ drops to zero.
virtual void destroy() // nothrow
{
delete this;
}
virtual void * get_deleter( sp_typeinfo const & ti ) = 0;
virtual void * get_untyped_deleter() = 0;
void add_ref_copy()
{
BOOST_VERIFY( pthread_mutex_lock( &m_ ) == 0 );
++use_count_;
BOOST_VERIFY( pthread_mutex_unlock( &m_ ) == 0 );
}
bool add_ref_lock() // true on success
{
BOOST_VERIFY( pthread_mutex_lock( &m_ ) == 0 );
bool r = use_count_ == 0? false: ( ++use_count_, true );
BOOST_VERIFY( pthread_mutex_unlock( &m_ ) == 0 );
return r;
}
void release() // nothrow
{
BOOST_VERIFY( pthread_mutex_lock( &m_ ) == 0 );
long new_use_count = --use_count_;
BOOST_VERIFY( pthread_mutex_unlock( &m_ ) == 0 );
if( new_use_count == 0 )
{
dispose();
weak_release();
}
}
void weak_add_ref() // nothrow
{
BOOST_VERIFY( pthread_mutex_lock( &m_ ) == 0 );
++weak_count_;
BOOST_VERIFY( pthread_mutex_unlock( &m_ ) == 0 );
}
void weak_release() // nothrow
{
BOOST_VERIFY( pthread_mutex_lock( &m_ ) == 0 );
long new_weak_count = --weak_count_;
BOOST_VERIFY( pthread_mutex_unlock( &m_ ) == 0 );
if( new_weak_count == 0 )
{
destroy();
}
}
long use_count() const // nothrow
{
BOOST_VERIFY( pthread_mutex_lock( &m_ ) == 0 );
long r = use_count_;
BOOST_VERIFY( pthread_mutex_unlock( &m_ ) == 0 );
return r;
}
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_PT_HPP_INCLUDED
@@ -0,0 +1,162 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_SNC_PS3_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_SNC_PS3_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
// detail/sp_counted_base_gcc_sparc.hpp - g++ on Sparc V8+
//
// Copyright (c) 2006 Piotr Wyderski
// Copyright (c) 2006 Tomas Puverle
// Copyright (c) 2006 Peter Dimov
// Copyright (c) 2011 Emil Dotchevski
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
// Thanks to Michael van der Westhuizen
#include <boost/detail/sp_typeinfo.hpp>
#include <inttypes.h> // uint32_t
namespace boost
{
namespace detail
{
inline uint32_t compare_and_swap( uint32_t * dest_, uint32_t compare_, uint32_t swap_ )
{
return __builtin_cellAtomicCompareAndSwap32(dest_,compare_,swap_);
}
inline uint32_t atomic_fetch_and_add( uint32_t * pw, uint32_t dv )
{
// long r = *pw;
// *pw += dv;
// return r;
for( ;; )
{
uint32_t r = *pw;
if( __builtin_expect((compare_and_swap(pw, r, r + dv) == r), 1) )
{
return r;
}
}
}
inline void atomic_increment( uint32_t * pw )
{
(void) __builtin_cellAtomicIncr32( pw );
}
inline uint32_t atomic_decrement( uint32_t * pw )
{
return __builtin_cellAtomicDecr32( pw );
}
inline uint32_t atomic_conditional_increment( uint32_t * pw )
{
// long r = *pw;
// if( r != 0 ) ++*pw;
// return r;
for( ;; )
{
uint32_t r = *pw;
if( r == 0 )
{
return r;
}
if( __builtin_expect( ( compare_and_swap( pw, r, r + 1 ) == r ), 1 ) )
{
return r;
}
}
}
class sp_counted_base
{
private:
sp_counted_base( sp_counted_base const & );
sp_counted_base & operator= ( sp_counted_base const & );
uint32_t use_count_; // #shared
uint32_t weak_count_; // #weak + (#shared != 0)
public:
sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
{
}
virtual ~sp_counted_base() // nothrow
{
}
// dispose() is called when use_count_ drops to zero, to release
// the resources managed by *this.
virtual void dispose() = 0; // nothrow
// destroy() is called when weak_count_ drops to zero.
virtual void destroy() // nothrow
{
delete this;
}
virtual void * get_deleter( sp_typeinfo const & ti ) = 0;
virtual void * get_untyped_deleter() = 0;
void add_ref_copy()
{
atomic_increment( &use_count_ );
}
bool add_ref_lock() // true on success
{
return atomic_conditional_increment( &use_count_ ) != 0;
}
void release() // nothrow
{
if( atomic_decrement( &use_count_ ) == 1 )
{
dispose();
weak_release();
}
}
void weak_add_ref() // nothrow
{
atomic_increment( &weak_count_ );
}
void weak_release() // nothrow
{
if( atomic_decrement( &weak_count_ ) == 1 )
{
destroy();
}
}
long use_count() const // nothrow
{
return const_cast< uint32_t const volatile & >( use_count_ );
}
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_SNC_PS3_HPP_INCLUDED
@@ -0,0 +1,114 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_SOLARIS_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_SOLARIS_HPP_INCLUDED
//
// detail/sp_counted_base_solaris.hpp
// based on: detail/sp_counted_base_w32.hpp
//
// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
// Copyright 2004-2005 Peter Dimov
// Copyright 2006 Michael van der Westhuizen
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
//
// Lock-free algorithm by Alexander Terekhov
//
// Thanks to Ben Hitchings for the #weak + (#shared != 0)
// formulation
//
#include <boost/detail/sp_typeinfo.hpp>
#include <atomic.h>
namespace boost
{
namespace detail
{
class sp_counted_base
{
private:
sp_counted_base( sp_counted_base const & );
sp_counted_base & operator= ( sp_counted_base const & );
uint32_t use_count_; // #shared
uint32_t weak_count_; // #weak + (#shared != 0)
public:
sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
{
}
virtual ~sp_counted_base() // nothrow
{
}
// dispose() is called when use_count_ drops to zero, to release
// the resources managed by *this.
virtual void dispose() = 0; // nothrow
// destroy() is called when weak_count_ drops to zero.
virtual void destroy() // nothrow
{
delete this;
}
virtual void * get_deleter( sp_typeinfo const & ti ) = 0;
virtual void * get_untyped_deleter() = 0;
void add_ref_copy()
{
atomic_inc_32( &use_count_ );
}
bool add_ref_lock() // true on success
{
for( ;; )
{
uint32_t tmp = static_cast< uint32_t const volatile& >( use_count_ );
if( tmp == 0 ) return false;
if( atomic_cas_32( &use_count_, tmp, tmp + 1 ) == tmp ) return true;
}
}
void release() // nothrow
{
if( atomic_dec_32_nv( &use_count_ ) == 0 )
{
dispose();
weak_release();
}
}
void weak_add_ref() // nothrow
{
atomic_inc_32( &weak_count_ );
}
void weak_release() // nothrow
{
if( atomic_dec_32_nv( &weak_count_ ) == 0 )
{
destroy();
}
}
long use_count() const // nothrow
{
return static_cast<long const volatile &>( use_count_ );
}
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_SOLARIS_HPP_INCLUDED
@@ -0,0 +1,132 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_SPIN_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_SPIN_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// detail/sp_counted_base_spin.hpp - spinlock pool atomic emulation
//
// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
// Copyright 2004-2008 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <boost/detail/sp_typeinfo.hpp>
#include <boost/smart_ptr/detail/spinlock_pool.hpp>
namespace boost
{
namespace detail
{
inline int atomic_exchange_and_add( int * pw, int dv )
{
spinlock_pool<1>::scoped_lock lock( pw );
int r = *pw;
*pw += dv;
return r;
}
inline void atomic_increment( int * pw )
{
spinlock_pool<1>::scoped_lock lock( pw );
++*pw;
}
inline int atomic_conditional_increment( int * pw )
{
spinlock_pool<1>::scoped_lock lock( pw );
int rv = *pw;
if( rv != 0 ) ++*pw;
return rv;
}
class sp_counted_base
{
private:
sp_counted_base( sp_counted_base const & );
sp_counted_base & operator= ( sp_counted_base const & );
int use_count_; // #shared
int weak_count_; // #weak + (#shared != 0)
public:
sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
{
}
virtual ~sp_counted_base() // nothrow
{
}
// dispose() is called when use_count_ drops to zero, to release
// the resources managed by *this.
virtual void dispose() = 0; // nothrow
// destroy() is called when weak_count_ drops to zero.
virtual void destroy() // nothrow
{
delete this;
}
virtual void * get_deleter( sp_typeinfo const & ti ) = 0;
virtual void * get_untyped_deleter() = 0;
void add_ref_copy()
{
atomic_increment( &use_count_ );
}
bool add_ref_lock() // true on success
{
return atomic_conditional_increment( &use_count_ ) != 0;
}
void release() // nothrow
{
if( atomic_exchange_and_add( &use_count_, -1 ) == 1 )
{
dispose();
weak_release();
}
}
void weak_add_ref() // nothrow
{
atomic_increment( &weak_count_ );
}
void weak_release() // nothrow
{
if( atomic_exchange_and_add( &weak_count_, -1 ) == 1 )
{
destroy();
}
}
long use_count() const // nothrow
{
spinlock_pool<1>::scoped_lock lock( &use_count_ );
return use_count_;
}
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_SPIN_HPP_INCLUDED
@@ -0,0 +1,137 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_STD_ATOMIC_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_STD_ATOMIC_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
// detail/sp_counted_base_std_atomic.hpp - C++11 std::atomic
//
// Copyright (c) 2007, 2013 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
#include <boost/detail/sp_typeinfo.hpp>
#include <atomic>
#include <cstdint>
namespace boost
{
namespace detail
{
inline void atomic_increment( std::atomic_int_least32_t * pw )
{
pw->fetch_add( 1, std::memory_order_relaxed );
}
inline std::int_least32_t atomic_decrement( std::atomic_int_least32_t * pw )
{
return pw->fetch_sub( 1, std::memory_order_acq_rel );
}
inline std::int_least32_t atomic_conditional_increment( std::atomic_int_least32_t * pw )
{
// long r = *pw;
// if( r != 0 ) ++*pw;
// return r;
std::int_least32_t r = pw->load( std::memory_order_relaxed );
for( ;; )
{
if( r == 0 )
{
return r;
}
if( pw->compare_exchange_weak( r, r + 1, std::memory_order_relaxed, std::memory_order_relaxed ) )
{
return r;
}
}
}
class sp_counted_base
{
private:
sp_counted_base( sp_counted_base const & );
sp_counted_base & operator= ( sp_counted_base const & );
std::atomic_int_least32_t use_count_; // #shared
std::atomic_int_least32_t weak_count_; // #weak + (#shared != 0)
public:
sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
{
}
virtual ~sp_counted_base() // nothrow
{
}
// dispose() is called when use_count_ drops to zero, to release
// the resources managed by *this.
virtual void dispose() = 0; // nothrow
// destroy() is called when weak_count_ drops to zero.
virtual void destroy() // nothrow
{
delete this;
}
virtual void * get_deleter( sp_typeinfo const & ti ) = 0;
virtual void * get_untyped_deleter() = 0;
void add_ref_copy()
{
atomic_increment( &use_count_ );
}
bool add_ref_lock() // true on success
{
return atomic_conditional_increment( &use_count_ ) != 0;
}
void release() // nothrow
{
if( atomic_decrement( &use_count_ ) == 1 )
{
dispose();
weak_release();
}
}
void weak_add_ref() // nothrow
{
atomic_increment( &weak_count_ );
}
void weak_release() // nothrow
{
if( atomic_decrement( &weak_count_ ) == 1 )
{
destroy();
}
}
long use_count() const // nothrow
{
return use_count_.load( std::memory_order_acquire );
}
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_STD_ATOMIC_HPP_INCLUDED
@@ -0,0 +1,156 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_SYNC_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_SYNC_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
// detail/sp_counted_base_sync.hpp - g++ 4.1+ __sync intrinsics
//
// Copyright (c) 2007 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
#include <boost/detail/sp_typeinfo.hpp>
#include <limits.h>
#if defined( __ia64__ ) && defined( __INTEL_COMPILER )
# include <ia64intrin.h>
#endif
namespace boost
{
namespace detail
{
#if INT_MAX >= 2147483647
typedef int sp_int32_t;
#else
typedef long sp_int32_t;
#endif
inline void atomic_increment( sp_int32_t * pw )
{
__sync_fetch_and_add( pw, 1 );
}
inline sp_int32_t atomic_decrement( sp_int32_t * pw )
{
return __sync_fetch_and_add( pw, -1 );
}
inline sp_int32_t atomic_conditional_increment( sp_int32_t * pw )
{
// long r = *pw;
// if( r != 0 ) ++*pw;
// return r;
sp_int32_t r = *pw;
for( ;; )
{
if( r == 0 )
{
return r;
}
sp_int32_t r2 = __sync_val_compare_and_swap( pw, r, r + 1 );
if( r2 == r )
{
return r;
}
else
{
r = r2;
}
}
}
class sp_counted_base
{
private:
sp_counted_base( sp_counted_base const & );
sp_counted_base & operator= ( sp_counted_base const & );
sp_int32_t use_count_; // #shared
sp_int32_t weak_count_; // #weak + (#shared != 0)
public:
sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
{
}
virtual ~sp_counted_base() // nothrow
{
}
// dispose() is called when use_count_ drops to zero, to release
// the resources managed by *this.
virtual void dispose() = 0; // nothrow
// destroy() is called when weak_count_ drops to zero.
virtual void destroy() // nothrow
{
delete this;
}
virtual void * get_deleter( sp_typeinfo const & ti ) = 0;
virtual void * get_untyped_deleter() = 0;
void add_ref_copy()
{
atomic_increment( &use_count_ );
}
bool add_ref_lock() // true on success
{
return atomic_conditional_increment( &use_count_ ) != 0;
}
void release() // nothrow
{
if( atomic_decrement( &use_count_ ) == 1 )
{
dispose();
weak_release();
}
}
void weak_add_ref() // nothrow
{
atomic_increment( &weak_count_ );
}
void weak_release() // nothrow
{
if( atomic_decrement( &weak_count_ ) == 1 )
{
destroy();
}
}
long use_count() const // nothrow
{
return const_cast< sp_int32_t const volatile & >( use_count_ );
}
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_SYNC_HPP_INCLUDED
@@ -0,0 +1,151 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_VACPP_PPC_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_VACPP_PPC_HPP_INCLUDED
//
// detail/sp_counted_base_vacpp_ppc.hpp - xlC(vacpp) on POWER
// based on: detail/sp_counted_base_w32.hpp
//
// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
// Copyright 2004-2005 Peter Dimov
// Copyright 2006 Michael van der Westhuizen
// Copyright 2012 IBM Corp.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
//
// Lock-free algorithm by Alexander Terekhov
//
// Thanks to Ben Hitchings for the #weak + (#shared != 0)
// formulation
//
#include <boost/detail/sp_typeinfo.hpp>
extern "builtin" void __lwsync(void);
extern "builtin" void __isync(void);
extern "builtin" int __fetch_and_add(volatile int* addr, int val);
extern "builtin" int __compare_and_swap(volatile int*, int*, int);
namespace boost
{
namespace detail
{
inline void atomic_increment( int *pw )
{
// ++*pw;
__lwsync();
__fetch_and_add(pw, 1);
__isync();
}
inline int atomic_decrement( int *pw )
{
// return --*pw;
__lwsync();
int originalValue = __fetch_and_add(pw, -1);
__isync();
return (originalValue - 1);
}
inline int atomic_conditional_increment( int *pw )
{
// if( *pw != 0 ) ++*pw;
// return *pw;
__lwsync();
int v = *const_cast<volatile int*>(pw);
for (;;)
// loop until state is known
{
if (v == 0) return 0;
if (__compare_and_swap(pw, &v, v + 1))
{
__isync(); return (v + 1);
}
}
}
class sp_counted_base
{
private:
sp_counted_base( sp_counted_base const & );
sp_counted_base & operator= ( sp_counted_base const & );
int use_count_; // #shared
int weak_count_; // #weak + (#shared != 0)
char pad[64] __attribute__((__aligned__(64)));
// pad to prevent false sharing
public:
sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
{
}
virtual ~sp_counted_base() // nothrow
{
}
// dispose() is called when use_count_ drops to zero, to release
// the resources managed by *this.
virtual void dispose() = 0; // nothrow
// destroy() is called when weak_count_ drops to zero.
virtual void destroy() // nothrow
{
delete this;
}
virtual void * get_deleter( sp_typeinfo const & ti ) = 0;
virtual void * get_untyped_deleter() = 0;
void add_ref_copy()
{
atomic_increment( &use_count_ );
}
bool add_ref_lock() // true on success
{
return atomic_conditional_increment( &use_count_ ) != 0;
}
void release() // nothrow
{
if( atomic_decrement( &use_count_ ) == 0 )
{
dispose();
weak_release();
}
}
void weak_add_ref() // nothrow
{
atomic_increment( &weak_count_ );
}
void weak_release() // nothrow
{
if( atomic_decrement( &weak_count_ ) == 0 )
{
destroy();
}
}
long use_count() const // nothrow
{
return *const_cast<volatile int*>(&use_count_);
}
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_VACPP_PPC_HPP_INCLUDED
@@ -0,0 +1,131 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_W32_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_W32_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// detail/sp_counted_base_w32.hpp
//
// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
// Copyright 2004-2005 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
//
// Lock-free algorithm by Alexander Terekhov
//
// Thanks to Ben Hitchings for the #weak + (#shared != 0)
// formulation
//
#include <boost/smart_ptr/detail/sp_interlocked.hpp>
#include <boost/detail/workaround.hpp>
#include <boost/detail/sp_typeinfo.hpp>
namespace boost
{
namespace detail
{
class sp_counted_base
{
private:
sp_counted_base( sp_counted_base const & );
sp_counted_base & operator= ( sp_counted_base const & );
long use_count_; // #shared
long weak_count_; // #weak + (#shared != 0)
public:
sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
{
}
virtual ~sp_counted_base() // nothrow
{
}
// dispose() is called when use_count_ drops to zero, to release
// the resources managed by *this.
virtual void dispose() = 0; // nothrow
// destroy() is called when weak_count_ drops to zero.
virtual void destroy() // nothrow
{
delete this;
}
virtual void * get_deleter( sp_typeinfo const & ti ) = 0;
virtual void * get_untyped_deleter() = 0;
void add_ref_copy()
{
BOOST_SP_INTERLOCKED_INCREMENT( &use_count_ );
}
bool add_ref_lock() // true on success
{
for( ;; )
{
long tmp = static_cast< long const volatile& >( use_count_ );
if( tmp == 0 ) return false;
#if defined( BOOST_MSVC ) && BOOST_WORKAROUND( BOOST_MSVC, == 1200 )
// work around a code generation bug
long tmp2 = tmp + 1;
if( BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE( &use_count_, tmp2, tmp ) == tmp2 - 1 ) return true;
#else
if( BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE( &use_count_, tmp + 1, tmp ) == tmp ) return true;
#endif
}
}
void release() // nothrow
{
if( BOOST_SP_INTERLOCKED_DECREMENT( &use_count_ ) == 0 )
{
dispose();
weak_release();
}
}
void weak_add_ref() // nothrow
{
BOOST_SP_INTERLOCKED_INCREMENT( &weak_count_ );
}
void weak_release() // nothrow
{
if( BOOST_SP_INTERLOCKED_DECREMENT( &weak_count_ ) == 0 )
{
destroy();
}
}
long use_count() const // nothrow
{
return static_cast<long const volatile &>( use_count_ );
}
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_W32_HPP_INCLUDED
@@ -0,0 +1,263 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_IMPL_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_IMPL_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// detail/sp_counted_impl.hpp
//
// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
// Copyright 2004-2005 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <boost/config.hpp>
#if defined(BOOST_SP_USE_STD_ALLOCATOR) && defined(BOOST_SP_USE_QUICK_ALLOCATOR)
# error BOOST_SP_USE_STD_ALLOCATOR and BOOST_SP_USE_QUICK_ALLOCATOR are incompatible.
#endif
#include <boost/checked_delete.hpp>
#include <boost/smart_ptr/detail/sp_counted_base.hpp>
#if defined(BOOST_SP_USE_QUICK_ALLOCATOR)
#include <boost/smart_ptr/detail/quick_allocator.hpp>
#endif
#if defined(BOOST_SP_USE_STD_ALLOCATOR)
#include <memory> // std::allocator
#endif
#include <cstddef> // std::size_t
namespace boost
{
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
void sp_scalar_constructor_hook( void * px, std::size_t size, void * pn );
void sp_scalar_destructor_hook( void * px, std::size_t size, void * pn );
#endif
namespace detail
{
template<class X> class sp_counted_impl_p: public sp_counted_base
{
private:
X * px_;
sp_counted_impl_p( sp_counted_impl_p const & );
sp_counted_impl_p & operator= ( sp_counted_impl_p const & );
typedef sp_counted_impl_p<X> this_type;
public:
explicit sp_counted_impl_p( X * px ): px_( px )
{
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
boost::sp_scalar_constructor_hook( px, sizeof(X), this );
#endif
}
virtual void dispose() // nothrow
{
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
boost::sp_scalar_destructor_hook( px_, sizeof(X), this );
#endif
boost::checked_delete( px_ );
}
virtual void * get_deleter( sp_typeinfo const & )
{
return 0;
}
virtual void * get_untyped_deleter()
{
return 0;
}
#if defined(BOOST_SP_USE_STD_ALLOCATOR)
void * operator new( std::size_t )
{
return std::allocator<this_type>().allocate( 1, static_cast<this_type *>(0) );
}
void operator delete( void * p )
{
std::allocator<this_type>().deallocate( static_cast<this_type *>(p), 1 );
}
#endif
#if defined(BOOST_SP_USE_QUICK_ALLOCATOR)
void * operator new( std::size_t )
{
return quick_allocator<this_type>::alloc();
}
void operator delete( void * p )
{
quick_allocator<this_type>::dealloc( p );
}
#endif
};
//
// Borland's Codeguard trips up over the -Vx- option here:
//
#ifdef __CODEGUARD__
# pragma option push -Vx-
#endif
template<class P, class D> class sp_counted_impl_pd: public sp_counted_base
{
private:
P ptr; // copy constructor must not throw
D del; // copy constructor must not throw
sp_counted_impl_pd( sp_counted_impl_pd const & );
sp_counted_impl_pd & operator= ( sp_counted_impl_pd const & );
typedef sp_counted_impl_pd<P, D> this_type;
public:
// pre: d(p) must not throw
sp_counted_impl_pd( P p, D & d ): ptr( p ), del( d )
{
}
sp_counted_impl_pd( P p ): ptr( p ), del()
{
}
virtual void dispose() // nothrow
{
del( ptr );
}
virtual void * get_deleter( sp_typeinfo const & ti )
{
return ti == BOOST_SP_TYPEID(D)? &reinterpret_cast<char&>( del ): 0;
}
virtual void * get_untyped_deleter()
{
return &reinterpret_cast<char&>( del );
}
#if defined(BOOST_SP_USE_STD_ALLOCATOR)
void * operator new( std::size_t )
{
return std::allocator<this_type>().allocate( 1, static_cast<this_type *>(0) );
}
void operator delete( void * p )
{
std::allocator<this_type>().deallocate( static_cast<this_type *>(p), 1 );
}
#endif
#if defined(BOOST_SP_USE_QUICK_ALLOCATOR)
void * operator new( std::size_t )
{
return quick_allocator<this_type>::alloc();
}
void operator delete( void * p )
{
quick_allocator<this_type>::dealloc( p );
}
#endif
};
template<class P, class D, class A> class sp_counted_impl_pda: public sp_counted_base
{
private:
P p_; // copy constructor must not throw
D d_; // copy constructor must not throw
A a_; // copy constructor must not throw
sp_counted_impl_pda( sp_counted_impl_pda const & );
sp_counted_impl_pda & operator= ( sp_counted_impl_pda const & );
typedef sp_counted_impl_pda<P, D, A> this_type;
public:
// pre: d( p ) must not throw
sp_counted_impl_pda( P p, D & d, A a ): p_( p ), d_( d ), a_( a )
{
}
sp_counted_impl_pda( P p, A a ): p_( p ), d_( a ), a_( a )
{
}
virtual void dispose() // nothrow
{
d_( p_ );
}
virtual void destroy() // nothrow
{
#if !defined( BOOST_NO_CXX11_ALLOCATOR )
typedef typename std::allocator_traits<A>::template rebind_alloc< this_type > A2;
#else
typedef typename A::template rebind< this_type >::other A2;
#endif
A2 a2( a_ );
this->~this_type();
a2.deallocate( this, 1 );
}
virtual void * get_deleter( sp_typeinfo const & ti )
{
return ti == BOOST_SP_TYPEID( D )? &reinterpret_cast<char&>( d_ ): 0;
}
virtual void * get_untyped_deleter()
{
return &reinterpret_cast<char&>( d_ );
}
};
#ifdef __CODEGUARD__
# pragma option pop
#endif
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_IMPL_HPP_INCLUDED
@@ -0,0 +1,40 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_DISABLE_DEPRECATED_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_DISABLE_DEPRECATED_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// boost/smart_ptr/detail/sp_disable_deprecated.hpp
//
// Copyright 2015 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <boost/config.hpp>
#if defined( __GNUC__ ) && ( defined( __GXX_EXPERIMENTAL_CXX0X__ ) || ( __cplusplus >= 201103L ) )
# if defined( BOOST_GCC )
# if BOOST_GCC >= 40600
# define BOOST_SP_DISABLE_DEPRECATED
# endif
# elif defined( __clang__ ) && defined( __has_warning )
# if __has_warning( "-Wdeprecated-declarations" )
# define BOOST_SP_DISABLE_DEPRECATED
# endif
# endif
#endif
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_DISABLE_DEPRECATED_HPP_INCLUDED
@@ -0,0 +1,52 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_FORWARD_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_FORWARD_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
// detail/sp_forward.hpp
//
// Copyright 2008,2012 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
#include <boost/config.hpp>
namespace boost
{
namespace detail
{
#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
#if defined( BOOST_GCC ) && __GNUC__ * 100 + __GNUC_MINOR__ <= 404
// GCC 4.4 supports an outdated version of rvalue references and creates a copy of the forwarded object.
// This results in warnings 'returning reference to temporary'. Therefore we use a special version similar to std::forward.
template< class T > T&& sp_forward( T && t ) BOOST_NOEXCEPT
{
return t;
}
#else
template< class T > T&& sp_forward( T & t ) BOOST_NOEXCEPT
{
return static_cast< T&& >( t );
}
#endif
#endif
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_FORWARD_HPP_INCLUDED
@@ -0,0 +1,69 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_HAS_SYNC_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_HAS_SYNC_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// boost/smart_ptr/detail/sp_has_sync.hpp
//
// Copyright (c) 2008, 2009 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// Defines the BOOST_SP_HAS_SYNC macro if the __sync_* intrinsics
// are available.
//
#ifndef BOOST_SP_NO_SYNC
#if !defined( __c2__ ) && defined( __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 )
# define BOOST_SP_HAS_SYNC
#elif defined( __IBMCPP__ ) && ( __IBMCPP__ >= 1210 ) && !defined( __COMPILER_VER__ )
# define BOOST_SP_HAS_SYNC
#elif !defined( __c2__ ) && defined( __GNUC__ ) && ( __GNUC__ * 100 + __GNUC_MINOR__ >= 401 )
#define BOOST_SP_HAS_SYNC
#if defined( __arm__ ) || defined( __armel__ )
#undef BOOST_SP_HAS_SYNC
#endif
#if defined( __hppa ) || defined( __hppa__ )
#undef BOOST_SP_HAS_SYNC
#endif
#if defined( __m68k__ )
#undef BOOST_SP_HAS_SYNC
#endif
#if defined( __sh__ )
#undef BOOST_SP_HAS_SYNC
#endif
#if defined( __sparc__ )
#undef BOOST_SP_HAS_SYNC
#endif
#if defined( __INTEL_COMPILER ) && !defined( __ia64__ ) && ( __INTEL_COMPILER < 1110 )
#undef BOOST_SP_HAS_SYNC
#endif
#if defined(__PATHSCALE__) && ((__PATHCC__ == 4) && (__PATHCC_MINOR__ < 9))
#undef BOOST_SP_HAS_SYNC
#endif
#endif
#endif // #ifndef BOOST_SP_NO_SYNC
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_HAS_SYNC_HPP_INCLUDED
@@ -0,0 +1,163 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_INTERLOCKED_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_INTERLOCKED_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// boost/detail/sp_interlocked.hpp
//
// Copyright 2005, 2014 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
#include <boost/config.hpp>
// BOOST_SP_HAS_INTRIN_H
// VC9 has intrin.h, but it collides with <utility>
#if defined( BOOST_MSVC ) && BOOST_MSVC >= 1600
# define BOOST_SP_HAS_INTRIN_H
// Unlike __MINGW64__, __MINGW64_VERSION_MAJOR is defined by MinGW-w64 for both 32 and 64-bit targets.
#elif defined( __MINGW64_VERSION_MAJOR )
// MinGW-w64 provides intrin.h for both 32 and 64-bit targets.
# define BOOST_SP_HAS_INTRIN_H
// Intel C++ on Windows on VC10+ stdlib
#elif defined( BOOST_INTEL_WIN ) && defined( _CPPLIB_VER ) && _CPPLIB_VER >= 520
# define BOOST_SP_HAS_INTRIN_H
#endif
#if defined( BOOST_USE_WINDOWS_H )
# include <windows.h>
# define BOOST_SP_INTERLOCKED_INCREMENT InterlockedIncrement
# define BOOST_SP_INTERLOCKED_DECREMENT InterlockedDecrement
# define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange
# define BOOST_SP_INTERLOCKED_EXCHANGE InterlockedExchange
# define BOOST_SP_INTERLOCKED_EXCHANGE_ADD InterlockedExchangeAdd
#elif defined( BOOST_USE_INTRIN_H ) || defined( BOOST_SP_HAS_INTRIN_H )
#include <intrin.h>
# define BOOST_SP_INTERLOCKED_INCREMENT _InterlockedIncrement
# define BOOST_SP_INTERLOCKED_DECREMENT _InterlockedDecrement
# define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
# define BOOST_SP_INTERLOCKED_EXCHANGE _InterlockedExchange
# define BOOST_SP_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
#elif defined( _WIN32_WCE )
#if _WIN32_WCE >= 0x600
extern "C" long __cdecl _InterlockedIncrement( long volatile * );
extern "C" long __cdecl _InterlockedDecrement( long volatile * );
extern "C" long __cdecl _InterlockedCompareExchange( long volatile *, long, long );
extern "C" long __cdecl _InterlockedExchange( long volatile *, long );
extern "C" long __cdecl _InterlockedExchangeAdd( long volatile *, long );
# define BOOST_SP_INTERLOCKED_INCREMENT _InterlockedIncrement
# define BOOST_SP_INTERLOCKED_DECREMENT _InterlockedDecrement
# define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
# define BOOST_SP_INTERLOCKED_EXCHANGE _InterlockedExchange
# define BOOST_SP_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
#else
// under Windows CE we still have old-style Interlocked* functions
extern "C" long __cdecl InterlockedIncrement( long* );
extern "C" long __cdecl InterlockedDecrement( long* );
extern "C" long __cdecl InterlockedCompareExchange( long*, long, long );
extern "C" long __cdecl InterlockedExchange( long*, long );
extern "C" long __cdecl InterlockedExchangeAdd( long*, long );
# define BOOST_SP_INTERLOCKED_INCREMENT InterlockedIncrement
# define BOOST_SP_INTERLOCKED_DECREMENT InterlockedDecrement
# define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange
# define BOOST_SP_INTERLOCKED_EXCHANGE InterlockedExchange
# define BOOST_SP_INTERLOCKED_EXCHANGE_ADD InterlockedExchangeAdd
#endif
#elif defined( BOOST_MSVC ) || defined( BOOST_INTEL_WIN )
#if defined( __CLRCALL_PURE_OR_CDECL )
extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedIncrement( long volatile * );
extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedDecrement( long volatile * );
extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedCompareExchange( long volatile *, long, long );
extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedExchange( long volatile *, long );
extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedExchangeAdd( long volatile *, long );
#else
extern "C" long __cdecl _InterlockedIncrement( long volatile * );
extern "C" long __cdecl _InterlockedDecrement( long volatile * );
extern "C" long __cdecl _InterlockedCompareExchange( long volatile *, long, long );
extern "C" long __cdecl _InterlockedExchange( long volatile *, long );
extern "C" long __cdecl _InterlockedExchangeAdd( long volatile *, long );
# if defined( BOOST_MSVC ) && BOOST_MSVC == 1310
//From MSDN, Visual Studio .NET 2003 spedific: To declare one of the interlocked functions
//for use as an intrinsic, the function must be declared with the leading underscore and
//the new function must appear in a #pragma intrinsic statement.
# pragma intrinsic( _InterlockedIncrement )
# pragma intrinsic( _InterlockedDecrement )
# pragma intrinsic( _InterlockedCompareExchange )
# pragma intrinsic( _InterlockedExchange )
# pragma intrinsic( _InterlockedExchangeAdd )
# endif
#endif
# define BOOST_SP_INTERLOCKED_INCREMENT _InterlockedIncrement
# define BOOST_SP_INTERLOCKED_DECREMENT _InterlockedDecrement
# define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
# define BOOST_SP_INTERLOCKED_EXCHANGE _InterlockedExchange
# define BOOST_SP_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
#elif defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ )
namespace boost
{
namespace detail
{
extern "C" __declspec(dllimport) long __stdcall InterlockedIncrement( long volatile * );
extern "C" __declspec(dllimport) long __stdcall InterlockedDecrement( long volatile * );
extern "C" __declspec(dllimport) long __stdcall InterlockedCompareExchange( long volatile *, long, long );
extern "C" __declspec(dllimport) long __stdcall InterlockedExchange( long volatile *, long );
extern "C" __declspec(dllimport) long __stdcall InterlockedExchangeAdd( long volatile *, long );
} // namespace detail
} // namespace boost
# define BOOST_SP_INTERLOCKED_INCREMENT ::boost::detail::InterlockedIncrement
# define BOOST_SP_INTERLOCKED_DECREMENT ::boost::detail::InterlockedDecrement
# define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE ::boost::detail::InterlockedCompareExchange
# define BOOST_SP_INTERLOCKED_EXCHANGE ::boost::detail::InterlockedExchange
# define BOOST_SP_INTERLOCKED_EXCHANGE_ADD ::boost::detail::InterlockedExchangeAdd
#else
# error "Interlocked intrinsics not available"
#endif
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_INTERLOCKED_HPP_INCLUDED
@@ -0,0 +1,30 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_NOEXCEPT_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_NOEXCEPT_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
// detail/sp_noexcept.hpp
//
// Copyright 2016 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
#include <boost/config.hpp>
#if defined( BOOST_MSVC ) && BOOST_MSVC >= 1700 && BOOST_MSVC < 1900
#define BOOST_SP_NOEXCEPT BOOST_NOEXCEPT_OR_NOTHROW
#else
#define BOOST_SP_NOEXCEPT BOOST_NOEXCEPT
#endif
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_NOEXCEPT_HPP_INCLUDED
@@ -0,0 +1,45 @@
#ifndef BOOST_SMART_PTR_DETAIL_SP_NULLPTR_T_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_NULLPTR_T_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
// detail/sp_nullptr_t.hpp
//
// Copyright 2013 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
#include <boost/config.hpp>
#include <cstddef>
#if !defined( BOOST_NO_CXX11_NULLPTR )
namespace boost
{
namespace detail
{
#if !defined( BOOST_NO_CXX11_DECLTYPE ) && ( ( defined( __clang__ ) && !defined( _LIBCPP_VERSION ) ) || defined( __INTEL_COMPILER ) )
typedef decltype(nullptr) sp_nullptr_t;
#else
typedef std::nullptr_t sp_nullptr_t;
#endif
} // namespace detail
} // namespace boost
#endif // !defined( BOOST_NO_CXX11_NULLPTR )
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_NULLPTR_T_HPP_INCLUDED
@@ -0,0 +1,68 @@
#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SPINLOCK_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// boost/detail/spinlock.hpp
//
// Copyright (c) 2008 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// struct spinlock
// {
// void lock();
// bool try_lock();
// void unlock();
//
// class scoped_lock;
// };
//
// #define BOOST_DETAIL_SPINLOCK_INIT <unspecified>
//
#include <boost/config.hpp>
#include <boost/smart_ptr/detail/sp_has_sync.hpp>
#if defined( BOOST_SP_USE_STD_ATOMIC )
# if !defined( __clang__ )
# include <boost/smart_ptr/detail/spinlock_std_atomic.hpp>
# else
// Clang (at least up to 3.4) can't compile spinlock_pool when
// using std::atomic, so substitute the __sync implementation instead.
# include <boost/smart_ptr/detail/spinlock_sync.hpp>
# endif
#elif defined( BOOST_SP_USE_PTHREADS )
# include <boost/smart_ptr/detail/spinlock_pt.hpp>
#elif !defined( BOOST_NO_CXX11_HDR_ATOMIC )
# include <boost/smart_ptr/detail/spinlock_std_atomic.hpp>
#elif defined(__GNUC__) && defined( __arm__ ) && !defined( __thumb__ )
# include <boost/smart_ptr/detail/spinlock_gcc_arm.hpp>
#elif defined( BOOST_SP_HAS_SYNC )
# include <boost/smart_ptr/detail/spinlock_sync.hpp>
#elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
# include <boost/smart_ptr/detail/spinlock_w32.hpp>
#elif defined(BOOST_HAS_PTHREADS)
# include <boost/smart_ptr/detail/spinlock_pt.hpp>
#elif !defined(BOOST_HAS_THREADS)
# include <boost/smart_ptr/detail/spinlock_nt.hpp>
#else
# error Unrecognized threading platform
#endif
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_HPP_INCLUDED
@@ -0,0 +1,121 @@
#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_GCC_ARM_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SPINLOCK_GCC_ARM_HPP_INCLUDED
//
// Copyright (c) 2008, 2011 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <boost/smart_ptr/detail/yield_k.hpp>
#if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__) || defined(__ARM_ARCH_7S__)
# define BOOST_SP_ARM_BARRIER "dmb"
# define BOOST_SP_ARM_HAS_LDREX
#elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6T2__)
# define BOOST_SP_ARM_BARRIER "mcr p15, 0, r0, c7, c10, 5"
# define BOOST_SP_ARM_HAS_LDREX
#else
# define BOOST_SP_ARM_BARRIER ""
#endif
namespace boost
{
namespace detail
{
class spinlock
{
public:
int v_;
public:
bool try_lock()
{
int r;
#ifdef BOOST_SP_ARM_HAS_LDREX
__asm__ __volatile__(
"ldrex %0, [%2]; \n"
"cmp %0, %1; \n"
"strexne %0, %1, [%2]; \n"
BOOST_SP_ARM_BARRIER :
"=&r"( r ): // outputs
"r"( 1 ), "r"( &v_ ): // inputs
"memory", "cc" );
#else
__asm__ __volatile__(
"swp %0, %1, [%2];\n"
BOOST_SP_ARM_BARRIER :
"=&r"( r ): // outputs
"r"( 1 ), "r"( &v_ ): // inputs
"memory", "cc" );
#endif
return r == 0;
}
void lock()
{
for( unsigned k = 0; !try_lock(); ++k )
{
boost::detail::yield( k );
}
}
void unlock()
{
__asm__ __volatile__( BOOST_SP_ARM_BARRIER ::: "memory" );
*const_cast< int volatile* >( &v_ ) = 0;
__asm__ __volatile__( BOOST_SP_ARM_BARRIER ::: "memory" );
}
public:
class scoped_lock
{
private:
spinlock & sp_;
scoped_lock( scoped_lock const & );
scoped_lock & operator=( scoped_lock const & );
public:
explicit scoped_lock( spinlock & sp ): sp_( sp )
{
sp.lock();
}
~scoped_lock()
{
sp_.unlock();
}
};
};
} // namespace detail
} // namespace boost
#define BOOST_DETAIL_SPINLOCK_INIT {0}
#undef BOOST_SP_ARM_BARRIER
#undef BOOST_SP_ARM_HAS_LDREX
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_GCC_ARM_HPP_INCLUDED
@@ -0,0 +1,89 @@
#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_NT_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SPINLOCK_NT_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// Copyright (c) 2008 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <boost/assert.hpp>
namespace boost
{
namespace detail
{
class spinlock
{
public:
bool locked_;
public:
inline bool try_lock()
{
if( locked_ )
{
return false;
}
else
{
locked_ = true;
return true;
}
}
inline void lock()
{
BOOST_ASSERT( !locked_ );
locked_ = true;
}
inline void unlock()
{
BOOST_ASSERT( locked_ );
locked_ = false;
}
public:
class scoped_lock
{
private:
spinlock & sp_;
scoped_lock( scoped_lock const & );
scoped_lock & operator=( scoped_lock const & );
public:
explicit scoped_lock( spinlock & sp ): sp_( sp )
{
sp.lock();
}
~scoped_lock()
{
sp_.unlock();
}
};
};
} // namespace detail
} // namespace boost
#define BOOST_DETAIL_SPINLOCK_INIT { false }
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_NT_HPP_INCLUDED
@@ -0,0 +1,91 @@
#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_POOL_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SPINLOCK_POOL_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// boost/detail/spinlock_pool.hpp
//
// Copyright (c) 2008 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// spinlock_pool<0> is reserved for atomic<>, when/if it arrives
// spinlock_pool<1> is reserved for shared_ptr reference counts
// spinlock_pool<2> is reserved for shared_ptr atomic access
//
#include <boost/config.hpp>
#include <boost/smart_ptr/detail/spinlock.hpp>
#include <cstddef>
namespace boost
{
namespace detail
{
template< int M > class spinlock_pool
{
private:
static spinlock pool_[ 41 ];
public:
static spinlock & spinlock_for( void const * pv )
{
#if defined(__VMS) && __INITIAL_POINTER_SIZE == 64
std::size_t i = reinterpret_cast< unsigned long long >( pv ) % 41;
#else
std::size_t i = reinterpret_cast< std::size_t >( pv ) % 41;
#endif
return pool_[ i ];
}
class scoped_lock
{
private:
spinlock & sp_;
scoped_lock( scoped_lock const & );
scoped_lock & operator=( scoped_lock const & );
public:
explicit scoped_lock( void const * pv ): sp_( spinlock_for( pv ) )
{
sp_.lock();
}
~scoped_lock()
{
sp_.unlock();
}
};
};
template< int M > spinlock spinlock_pool< M >::pool_[ 41 ] =
{
BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT,
BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT,
BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT,
BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT,
BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT,
BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT,
BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT,
BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT,
BOOST_DETAIL_SPINLOCK_INIT
};
} // namespace detail
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_POOL_HPP_INCLUDED
@@ -0,0 +1,79 @@
#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_PT_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SPINLOCK_PT_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// Copyright (c) 2008 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <pthread.h>
namespace boost
{
namespace detail
{
class spinlock
{
public:
pthread_mutex_t v_;
public:
bool try_lock()
{
return pthread_mutex_trylock( &v_ ) == 0;
}
void lock()
{
pthread_mutex_lock( &v_ );
}
void unlock()
{
pthread_mutex_unlock( &v_ );
}
public:
class scoped_lock
{
private:
spinlock & sp_;
scoped_lock( scoped_lock const & );
scoped_lock & operator=( scoped_lock const & );
public:
explicit scoped_lock( spinlock & sp ): sp_( sp )
{
sp.lock();
}
~scoped_lock()
{
sp_.unlock();
}
};
};
} // namespace detail
} // namespace boost
#define BOOST_DETAIL_SPINLOCK_INIT { PTHREAD_MUTEX_INITIALIZER }
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_PT_HPP_INCLUDED
@@ -0,0 +1,83 @@
#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_STD_ATOMIC_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SPINLOCK_STD_ATOMIC_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// Copyright (c) 2014 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <boost/smart_ptr/detail/yield_k.hpp>
#include <atomic>
namespace boost
{
namespace detail
{
class spinlock
{
public:
std::atomic_flag v_;
public:
bool try_lock()
{
return !v_.test_and_set( std::memory_order_acquire );
}
void lock()
{
for( unsigned k = 0; !try_lock(); ++k )
{
boost::detail::yield( k );
}
}
void unlock()
{
v_ .clear( std::memory_order_release );
}
public:
class scoped_lock
{
private:
spinlock & sp_;
scoped_lock( scoped_lock const & );
scoped_lock & operator=( scoped_lock const & );
public:
explicit scoped_lock( spinlock & sp ): sp_( sp )
{
sp.lock();
}
~scoped_lock()
{
sp_.unlock();
}
};
};
} // namespace detail
} // namespace boost
#define BOOST_DETAIL_SPINLOCK_INIT { ATOMIC_FLAG_INIT }
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_STD_ATOMIC_HPP_INCLUDED
@@ -0,0 +1,87 @@
#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_SYNC_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SPINLOCK_SYNC_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// Copyright (c) 2008 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <boost/smart_ptr/detail/yield_k.hpp>
#if defined( __ia64__ ) && defined( __INTEL_COMPILER )
# include <ia64intrin.h>
#endif
namespace boost
{
namespace detail
{
class spinlock
{
public:
int v_;
public:
bool try_lock()
{
int r = __sync_lock_test_and_set( &v_, 1 );
return r == 0;
}
void lock()
{
for( unsigned k = 0; !try_lock(); ++k )
{
boost::detail::yield( k );
}
}
void unlock()
{
__sync_lock_release( &v_ );
}
public:
class scoped_lock
{
private:
spinlock & sp_;
scoped_lock( scoped_lock const & );
scoped_lock & operator=( scoped_lock const & );
public:
explicit scoped_lock( spinlock & sp ): sp_( sp )
{
sp.lock();
}
~scoped_lock()
{
sp_.unlock();
}
};
};
} // namespace detail
} // namespace boost
#define BOOST_DETAIL_SPINLOCK_INIT {0}
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_SYNC_HPP_INCLUDED
@@ -0,0 +1,113 @@
#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_W32_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SPINLOCK_W32_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// Copyright (c) 2008 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <boost/smart_ptr/detail/sp_interlocked.hpp>
#include <boost/smart_ptr/detail/yield_k.hpp>
// BOOST_COMPILER_FENCE
#if defined(__INTEL_COMPILER)
#define BOOST_COMPILER_FENCE __memory_barrier();
#elif defined( _MSC_VER ) && _MSC_VER >= 1310
extern "C" void _ReadWriteBarrier();
#pragma intrinsic( _ReadWriteBarrier )
#define BOOST_COMPILER_FENCE _ReadWriteBarrier();
#elif defined(__GNUC__)
#define BOOST_COMPILER_FENCE __asm__ __volatile__( "" : : : "memory" );
#else
#define BOOST_COMPILER_FENCE
#endif
//
namespace boost
{
namespace detail
{
class spinlock
{
public:
long v_;
public:
bool try_lock()
{
long r = BOOST_SP_INTERLOCKED_EXCHANGE( &v_, 1 );
BOOST_COMPILER_FENCE
return r == 0;
}
void lock()
{
for( unsigned k = 0; !try_lock(); ++k )
{
boost::detail::yield( k );
}
}
void unlock()
{
BOOST_COMPILER_FENCE
*const_cast< long volatile* >( &v_ ) = 0;
}
public:
class scoped_lock
{
private:
spinlock & sp_;
scoped_lock( scoped_lock const & );
scoped_lock & operator=( scoped_lock const & );
public:
explicit scoped_lock( spinlock & sp ): sp_( sp )
{
sp.lock();
}
~scoped_lock()
{
sp_.unlock();
}
};
};
} // namespace detail
} // namespace boost
#define BOOST_DETAIL_SPINLOCK_INIT {0}
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_W32_HPP_INCLUDED
@@ -0,0 +1,177 @@
#ifndef BOOST_SMART_PTR_DETAIL_YIELD_K_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_YIELD_K_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// yield_k.hpp
//
// Copyright (c) 2008 Peter Dimov
// Copyright (c) Microsoft Corporation 2014
//
// void yield( unsigned k );
//
// Typical use:
//
// for( unsigned k = 0; !try_lock(); ++k ) yield( k );
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
#include <boost/config.hpp>
#include <boost/predef.h>
#if BOOST_PLAT_WINDOWS_RUNTIME
#include <thread>
#endif
// BOOST_SMT_PAUSE
#if defined(_MSC_VER) && _MSC_VER >= 1310 && ( defined(_M_IX86) || defined(_M_X64) )
extern "C" void _mm_pause();
#define BOOST_SMT_PAUSE _mm_pause();
#elif defined(__GNUC__) && ( defined(__i386__) || defined(__x86_64__) )
#define BOOST_SMT_PAUSE __asm__ __volatile__( "rep; nop" : : : "memory" );
#endif
//
#if defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ )
#if defined( BOOST_USE_WINDOWS_H )
# include <windows.h>
#endif
namespace boost
{
namespace detail
{
#if !defined( BOOST_USE_WINDOWS_H ) && !BOOST_PLAT_WINDOWS_RUNTIME
#if !BOOST_COMP_CLANG || !defined __MINGW32__
extern "C" void __stdcall Sleep( unsigned long ms );
#else
#include <_mingw.h>
#if !defined __MINGW64_VERSION_MAJOR
extern "C" void __stdcall Sleep( unsigned long ms );
#else
extern "C" __declspec(dllimport) void __stdcall Sleep( unsigned long ms );
#endif
#endif
#endif
inline void yield( unsigned k )
{
if( k < 4 )
{
}
#if defined( BOOST_SMT_PAUSE )
else if( k < 16 )
{
BOOST_SMT_PAUSE
}
#endif
#if !BOOST_PLAT_WINDOWS_RUNTIME
else if( k < 32 )
{
Sleep( 0 );
}
else
{
Sleep( 1 );
}
#else
else
{
// Sleep isn't supported on the Windows Runtime.
std::this_thread::yield();
}
#endif
}
} // namespace detail
} // namespace boost
#elif defined( BOOST_HAS_PTHREADS )
#ifndef _AIX
#include <sched.h>
#else
// AIX's sched.h defines ::var which sometimes conflicts with Lambda's var
extern "C" int sched_yield(void);
#endif
#include <time.h>
namespace boost
{
namespace detail
{
inline void yield( unsigned k )
{
if( k < 4 )
{
}
#if defined( BOOST_SMT_PAUSE )
else if( k < 16 )
{
BOOST_SMT_PAUSE
}
#endif
else if( k < 32 || k & 1 )
{
sched_yield();
}
else
{
// g++ -Wextra warns on {} or {0}
struct timespec rqtp = { 0, 0 };
// POSIX says that timespec has tv_sec and tv_nsec
// But it doesn't guarantee order or placement
rqtp.tv_sec = 0;
rqtp.tv_nsec = 1000;
nanosleep( &rqtp, 0 );
}
}
} // namespace detail
} // namespace boost
#else
namespace boost
{
namespace detail
{
inline void yield( unsigned )
{
}
} // namespace detail
} // namespace boost
#endif
#endif // #ifndef BOOST_SMART_PTR_DETAIL_YIELD_K_HPP_INCLUDED
@@ -0,0 +1,165 @@
#ifndef BOOST_ENABLE_SHARED_FROM_RAW_HPP_INCLUDED
#define BOOST_ENABLE_SHARED_FROM_RAW_HPP_INCLUDED
//
// enable_shared_from_raw.hpp
//
// Copyright 2002, 2009, 2014 Peter Dimov
// Copyright 2008-2009 Frank Mori Hess
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
#include <boost/config.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/weak_ptr.hpp>
#include <boost/assert.hpp>
#include <boost/detail/workaround.hpp>
namespace boost
{
template<typename T> boost::shared_ptr<T> shared_from_raw(T *);
template<typename T> boost::weak_ptr<T> weak_from_raw(T *);
namespace detail
{
template< class X, class Y > inline void sp_enable_shared_from_this( boost::shared_ptr<X> * ppx, Y const * py, boost::enable_shared_from_raw const * pe );
} // namespace detail
class enable_shared_from_raw
{
protected:
enable_shared_from_raw()
{
}
enable_shared_from_raw( enable_shared_from_raw const & )
{
}
enable_shared_from_raw & operator=( enable_shared_from_raw const & )
{
return *this;
}
~enable_shared_from_raw()
{
BOOST_ASSERT( shared_this_.use_count() <= 1 ); // make sure no dangling shared_ptr objects exist
}
private:
void init_if_expired() const
{
if( weak_this_.expired() )
{
shared_this_.reset( static_cast<void*>(0), detail::esft2_deleter_wrapper() );
weak_this_ = shared_this_;
}
}
void init_if_empty() const
{
if( weak_this_._empty() )
{
shared_this_.reset( static_cast<void*>(0), detail::esft2_deleter_wrapper() );
weak_this_ = shared_this_;
}
}
#ifdef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
public:
#else
private:
template<class Y> friend class shared_ptr;
template<typename T> friend boost::shared_ptr<T> shared_from_raw(T *);
template<typename T> friend boost::weak_ptr<T> weak_from_raw(T *);
template< class X, class Y > friend inline void detail::sp_enable_shared_from_this( boost::shared_ptr<X> * ppx, Y const * py, boost::enable_shared_from_raw const * pe );
#endif
shared_ptr<void const volatile> shared_from_this() const
{
init_if_expired();
return shared_ptr<void const volatile>( weak_this_ );
}
shared_ptr<void const volatile> shared_from_this() const volatile
{
return const_cast< enable_shared_from_raw const * >( this )->shared_from_this();
}
weak_ptr<void const volatile> weak_from_this() const
{
init_if_empty();
return weak_this_;
}
weak_ptr<void const volatile> weak_from_this() const volatile
{
return const_cast< enable_shared_from_raw const * >( this )->weak_from_this();
}
// Note: invoked automatically by shared_ptr; do not call
template<class X, class Y> void _internal_accept_owner( shared_ptr<X> * ppx, Y * ) const
{
BOOST_ASSERT( ppx != 0 );
if( weak_this_.expired() )
{
weak_this_ = *ppx;
}
else if( shared_this_.use_count() != 0 )
{
BOOST_ASSERT( ppx->unique() ); // no weak_ptrs should exist either, but there's no way to check that
detail::esft2_deleter_wrapper * pd = boost::get_deleter<detail::esft2_deleter_wrapper>( shared_this_ );
BOOST_ASSERT( pd != 0 );
pd->set_deleter( *ppx );
ppx->reset( shared_this_, ppx->get() );
shared_this_.reset();
}
}
mutable weak_ptr<void const volatile> weak_this_;
private:
mutable shared_ptr<void const volatile> shared_this_;
};
template<typename T>
boost::shared_ptr<T> shared_from_raw(T *p)
{
BOOST_ASSERT(p != 0);
return boost::shared_ptr<T>(p->enable_shared_from_raw::shared_from_this(), p);
}
template<typename T>
boost::weak_ptr<T> weak_from_raw(T *p)
{
BOOST_ASSERT(p != 0);
boost::weak_ptr<T> result;
result._internal_aliasing_assign(p->enable_shared_from_raw::weak_from_this(), p);
return result;
}
namespace detail
{
template< class X, class Y > inline void sp_enable_shared_from_this( boost::shared_ptr<X> * ppx, Y const * py, boost::enable_shared_from_raw const * pe )
{
if( pe != 0 )
{
pe->_internal_accept_owner( ppx, const_cast< Y* >( py ) );
}
}
} // namepsace detail
} // namespace boost
#endif // #ifndef BOOST_ENABLE_SHARED_FROM_RAW_HPP_INCLUDED
@@ -0,0 +1,90 @@
#ifndef BOOST_SMART_PTR_ENABLE_SHARED_FROM_THIS_HPP_INCLUDED
#define BOOST_SMART_PTR_ENABLE_SHARED_FROM_THIS_HPP_INCLUDED
//
// enable_shared_from_this.hpp
//
// Copyright 2002, 2009 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
// http://www.boost.org/libs/smart_ptr/enable_shared_from_this.html
//
#include <boost/smart_ptr/weak_ptr.hpp>
#include <boost/smart_ptr/shared_ptr.hpp>
#include <boost/smart_ptr/detail/sp_noexcept.hpp>
#include <boost/assert.hpp>
#include <boost/config.hpp>
namespace boost
{
template<class T> class enable_shared_from_this
{
protected:
enable_shared_from_this() BOOST_SP_NOEXCEPT
{
}
enable_shared_from_this(enable_shared_from_this const &) BOOST_SP_NOEXCEPT
{
}
enable_shared_from_this & operator=(enable_shared_from_this const &) BOOST_SP_NOEXCEPT
{
return *this;
}
~enable_shared_from_this() BOOST_SP_NOEXCEPT // ~weak_ptr<T> newer throws, so this call also must not throw
{
}
public:
shared_ptr<T> shared_from_this()
{
shared_ptr<T> p( weak_this_ );
BOOST_ASSERT( p.get() == this );
return p;
}
shared_ptr<T const> shared_from_this() const
{
shared_ptr<T const> p( weak_this_ );
BOOST_ASSERT( p.get() == this );
return p;
}
weak_ptr<T> weak_from_this() BOOST_NOEXCEPT
{
return weak_this_;
}
weak_ptr<T const> weak_from_this() const BOOST_NOEXCEPT
{
return weak_this_;
}
public: // actually private, but avoids compiler template friendship issues
// Note: invoked automatically by shared_ptr; do not call
template<class X, class Y> void _internal_accept_owner( shared_ptr<X> const * ppx, Y * py ) const
{
if( weak_this_.expired() )
{
weak_this_ = shared_ptr<T>( *ppx, py );
}
}
private:
mutable weak_ptr<T> weak_this_;
};
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_ENABLE_SHARED_FROM_THIS_HPP_INCLUDED
@@ -0,0 +1,361 @@
#ifndef BOOST_SMART_PTR_INTRUSIVE_PTR_HPP_INCLUDED
#define BOOST_SMART_PTR_INTRUSIVE_PTR_HPP_INCLUDED
//
// intrusive_ptr.hpp
//
// Copyright (c) 2001, 2002 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/smart_ptr/intrusive_ptr.html for documentation.
//
#include <boost/config.hpp>
#include <boost/assert.hpp>
#include <boost/detail/workaround.hpp>
#include <boost/smart_ptr/detail/sp_convertible.hpp>
#include <boost/smart_ptr/detail/sp_nullptr_t.hpp>
#include <boost/smart_ptr/detail/sp_noexcept.hpp>
#include <boost/config/no_tr1/functional.hpp> // for std::less
#if !defined(BOOST_NO_IOSTREAM)
#if !defined(BOOST_NO_IOSFWD)
#include <iosfwd> // for std::basic_ostream
#else
#include <ostream>
#endif
#endif
namespace boost
{
//
// intrusive_ptr
//
// A smart pointer that uses intrusive reference counting.
//
// Relies on unqualified calls to
//
// void intrusive_ptr_add_ref(T * p);
// void intrusive_ptr_release(T * p);
//
// (p != 0)
//
// The object is responsible for destroying itself.
//
template<class T> class intrusive_ptr
{
private:
typedef intrusive_ptr this_type;
public:
typedef T element_type;
BOOST_CONSTEXPR intrusive_ptr() BOOST_SP_NOEXCEPT : px( 0 )
{
}
intrusive_ptr( T * p, bool add_ref = true ): px( p )
{
if( px != 0 && add_ref ) intrusive_ptr_add_ref( px );
}
#if !defined(BOOST_NO_MEMBER_TEMPLATES) || defined(BOOST_MSVC6_MEMBER_TEMPLATES)
template<class U>
#if !defined( BOOST_SP_NO_SP_CONVERTIBLE )
intrusive_ptr( intrusive_ptr<U> const & rhs, typename boost::detail::sp_enable_if_convertible<U,T>::type = boost::detail::sp_empty() )
#else
intrusive_ptr( intrusive_ptr<U> const & rhs )
#endif
: px( rhs.get() )
{
if( px != 0 ) intrusive_ptr_add_ref( px );
}
#endif
intrusive_ptr(intrusive_ptr const & rhs): px( rhs.px )
{
if( px != 0 ) intrusive_ptr_add_ref( px );
}
~intrusive_ptr()
{
if( px != 0 ) intrusive_ptr_release( px );
}
#if !defined(BOOST_NO_MEMBER_TEMPLATES) || defined(BOOST_MSVC6_MEMBER_TEMPLATES)
template<class U> intrusive_ptr & operator=(intrusive_ptr<U> const & rhs)
{
this_type(rhs).swap(*this);
return *this;
}
#endif
// Move support
#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
intrusive_ptr(intrusive_ptr && rhs) BOOST_SP_NOEXCEPT : px( rhs.px )
{
rhs.px = 0;
}
intrusive_ptr & operator=(intrusive_ptr && rhs) BOOST_SP_NOEXCEPT
{
this_type( static_cast< intrusive_ptr && >( rhs ) ).swap(*this);
return *this;
}
template<class U> friend class intrusive_ptr;
template<class U>
#if !defined( BOOST_SP_NO_SP_CONVERTIBLE )
intrusive_ptr(intrusive_ptr<U> && rhs, typename boost::detail::sp_enable_if_convertible<U,T>::type = boost::detail::sp_empty())
#else
intrusive_ptr(intrusive_ptr<U> && rhs)
#endif
: px( rhs.px )
{
rhs.px = 0;
}
template<class U>
intrusive_ptr & operator=(intrusive_ptr<U> && rhs) BOOST_NOEXCEPT
{
this_type( static_cast< intrusive_ptr<U> && >( rhs ) ).swap(*this);
return *this;
}
#endif
intrusive_ptr & operator=(intrusive_ptr const & rhs)
{
this_type(rhs).swap(*this);
return *this;
}
intrusive_ptr & operator=(T * rhs)
{
this_type(rhs).swap(*this);
return *this;
}
void reset() BOOST_NOEXCEPT
{
this_type().swap( *this );
}
void reset( T * rhs )
{
this_type( rhs ).swap( *this );
}
void reset( T * rhs, bool add_ref )
{
this_type( rhs, add_ref ).swap( *this );
}
T * get() const BOOST_NOEXCEPT
{
return px;
}
T * detach() BOOST_NOEXCEPT
{
T * ret = px;
px = 0;
return ret;
}
T & operator*() const
{
BOOST_ASSERT( px != 0 );
return *px;
}
T * operator->() const
{
BOOST_ASSERT( px != 0 );
return px;
}
// implicit conversion to "bool"
#include <boost/smart_ptr/detail/operator_bool.hpp>
void swap(intrusive_ptr & rhs) BOOST_NOEXCEPT
{
T * tmp = px;
px = rhs.px;
rhs.px = tmp;
}
private:
T * px;
};
template<class T, class U> inline bool operator==(intrusive_ptr<T> const & a, intrusive_ptr<U> const & b)
{
return a.get() == b.get();
}
template<class T, class U> inline bool operator!=(intrusive_ptr<T> const & a, intrusive_ptr<U> const & b)
{
return a.get() != b.get();
}
template<class T, class U> inline bool operator==(intrusive_ptr<T> const & a, U * b)
{
return a.get() == b;
}
template<class T, class U> inline bool operator!=(intrusive_ptr<T> const & a, U * b)
{
return a.get() != b;
}
template<class T, class U> inline bool operator==(T * a, intrusive_ptr<U> const & b)
{
return a == b.get();
}
template<class T, class U> inline bool operator!=(T * a, intrusive_ptr<U> const & b)
{
return a != b.get();
}
#if __GNUC__ == 2 && __GNUC_MINOR__ <= 96
// Resolve the ambiguity between our op!= and the one in rel_ops
template<class T> inline bool operator!=(intrusive_ptr<T> const & a, intrusive_ptr<T> const & b)
{
return a.get() != b.get();
}
#endif
#if !defined( BOOST_NO_CXX11_NULLPTR )
template<class T> inline bool operator==( intrusive_ptr<T> const & p, boost::detail::sp_nullptr_t ) BOOST_NOEXCEPT
{
return p.get() == 0;
}
template<class T> inline bool operator==( boost::detail::sp_nullptr_t, intrusive_ptr<T> const & p ) BOOST_NOEXCEPT
{
return p.get() == 0;
}
template<class T> inline bool operator!=( intrusive_ptr<T> const & p, boost::detail::sp_nullptr_t ) BOOST_NOEXCEPT
{
return p.get() != 0;
}
template<class T> inline bool operator!=( boost::detail::sp_nullptr_t, intrusive_ptr<T> const & p ) BOOST_NOEXCEPT
{
return p.get() != 0;
}
#endif
template<class T> inline bool operator<(intrusive_ptr<T> const & a, intrusive_ptr<T> const & b)
{
return std::less<T *>()(a.get(), b.get());
}
template<class T> void swap(intrusive_ptr<T> & lhs, intrusive_ptr<T> & rhs)
{
lhs.swap(rhs);
}
// mem_fn support
template<class T> T * get_pointer(intrusive_ptr<T> const & p)
{
return p.get();
}
template<class T, class U> intrusive_ptr<T> static_pointer_cast(intrusive_ptr<U> const & p)
{
return static_cast<T *>(p.get());
}
template<class T, class U> intrusive_ptr<T> const_pointer_cast(intrusive_ptr<U> const & p)
{
return const_cast<T *>(p.get());
}
template<class T, class U> intrusive_ptr<T> dynamic_pointer_cast(intrusive_ptr<U> const & p)
{
return dynamic_cast<T *>(p.get());
}
// operator<<
#if !defined(BOOST_NO_IOSTREAM)
#if defined(BOOST_NO_TEMPLATED_IOSTREAMS) || ( defined(__GNUC__) && (__GNUC__ < 3) )
template<class Y> std::ostream & operator<< (std::ostream & os, intrusive_ptr<Y> const & p)
{
os << p.get();
return os;
}
#else
// in STLport's no-iostreams mode no iostream symbols can be used
#ifndef _STLP_NO_IOSTREAMS
# if defined(BOOST_MSVC) && BOOST_WORKAROUND(BOOST_MSVC, < 1300 && __SGI_STL_PORT)
// MSVC6 has problems finding std::basic_ostream through the using declaration in namespace _STL
using std::basic_ostream;
template<class E, class T, class Y> basic_ostream<E, T> & operator<< (basic_ostream<E, T> & os, intrusive_ptr<Y> const & p)
# else
template<class E, class T, class Y> std::basic_ostream<E, T> & operator<< (std::basic_ostream<E, T> & os, intrusive_ptr<Y> const & p)
# endif
{
os << p.get();
return os;
}
#endif // _STLP_NO_IOSTREAMS
#endif // __GNUC__ < 3
#endif // !defined(BOOST_NO_IOSTREAM)
// hash_value
template< class T > struct hash;
template< class T > std::size_t hash_value( boost::intrusive_ptr<T> const & p )
{
return boost::hash< T* >()( p.get() );
}
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_INTRUSIVE_PTR_HPP_INCLUDED
@@ -0,0 +1,187 @@
/*
* Copyright Andrey Semashev 2007 - 2013.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
/*!
* \file intrusive_ref_counter.hpp
* \author Andrey Semashev
* \date 12.03.2009
*
* This header contains a reference counter class for \c intrusive_ptr.
*/
#ifndef BOOST_SMART_PTR_INTRUSIVE_REF_COUNTER_HPP_INCLUDED_
#define BOOST_SMART_PTR_INTRUSIVE_REF_COUNTER_HPP_INCLUDED_
#include <boost/config.hpp>
#include <boost/smart_ptr/detail/atomic_count.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
#if defined(_MSC_VER)
#pragma warning(push)
// This is a bogus MSVC warning, which is flagged by friend declarations of intrusive_ptr_add_ref and intrusive_ptr_release in intrusive_ref_counter:
// 'name' : the inline specifier cannot be used when a friend declaration refers to a specialization of a function template
// Note that there is no inline specifier in the declarations.
#pragma warning(disable: 4396)
#endif
namespace boost {
namespace sp_adl_block {
/*!
* \brief Thread unsafe reference counter policy for \c intrusive_ref_counter
*
* The policy instructs the \c intrusive_ref_counter base class to implement
* a reference counter suitable for single threaded use only. Pointers to the same
* object with this kind of reference counter must not be used by different threads.
*/
struct thread_unsafe_counter
{
typedef unsigned int type;
static unsigned int load(unsigned int const& counter) BOOST_NOEXCEPT
{
return counter;
}
static void increment(unsigned int& counter) BOOST_NOEXCEPT
{
++counter;
}
static unsigned int decrement(unsigned int& counter) BOOST_NOEXCEPT
{
return --counter;
}
};
/*!
* \brief Thread safe reference counter policy for \c intrusive_ref_counter
*
* The policy instructs the \c intrusive_ref_counter base class to implement
* a thread-safe reference counter, if the target platform supports multithreading.
*/
struct thread_safe_counter
{
typedef boost::detail::atomic_count type;
static unsigned int load(boost::detail::atomic_count const& counter) BOOST_NOEXCEPT
{
return static_cast< unsigned int >(static_cast< long >(counter));
}
static void increment(boost::detail::atomic_count& counter) BOOST_NOEXCEPT
{
++counter;
}
static unsigned int decrement(boost::detail::atomic_count& counter) BOOST_NOEXCEPT
{
return static_cast< unsigned int >(--counter);
}
};
template< typename DerivedT, typename CounterPolicyT = thread_safe_counter >
class intrusive_ref_counter;
template< typename DerivedT, typename CounterPolicyT >
void intrusive_ptr_add_ref(const intrusive_ref_counter< DerivedT, CounterPolicyT >* p) BOOST_NOEXCEPT;
template< typename DerivedT, typename CounterPolicyT >
void intrusive_ptr_release(const intrusive_ref_counter< DerivedT, CounterPolicyT >* p) BOOST_NOEXCEPT;
/*!
* \brief A reference counter base class
*
* This base class can be used with user-defined classes to add support
* for \c intrusive_ptr. The class contains a reference counter defined by the \c CounterPolicyT.
* Upon releasing the last \c intrusive_ptr referencing the object
* derived from the \c intrusive_ref_counter class, operator \c delete
* is automatically called on the pointer to the object.
*
* The other template parameter, \c DerivedT, is the user's class that derives from \c intrusive_ref_counter.
*/
template< typename DerivedT, typename CounterPolicyT >
class intrusive_ref_counter
{
private:
//! Reference counter type
typedef typename CounterPolicyT::type counter_type;
//! Reference counter
mutable counter_type m_ref_counter;
public:
/*!
* Default constructor
*
* \post <tt>use_count() == 0</tt>
*/
intrusive_ref_counter() BOOST_NOEXCEPT : m_ref_counter(0)
{
}
/*!
* Copy constructor
*
* \post <tt>use_count() == 0</tt>
*/
intrusive_ref_counter(intrusive_ref_counter const&) BOOST_NOEXCEPT : m_ref_counter(0)
{
}
/*!
* Assignment
*
* \post The reference counter is not modified after assignment
*/
intrusive_ref_counter& operator= (intrusive_ref_counter const&) BOOST_NOEXCEPT { return *this; }
/*!
* \return The reference counter
*/
unsigned int use_count() const BOOST_NOEXCEPT
{
return CounterPolicyT::load(m_ref_counter);
}
protected:
/*!
* Destructor
*/
BOOST_DEFAULTED_FUNCTION(~intrusive_ref_counter(), {})
friend void intrusive_ptr_add_ref< DerivedT, CounterPolicyT >(const intrusive_ref_counter< DerivedT, CounterPolicyT >* p) BOOST_NOEXCEPT;
friend void intrusive_ptr_release< DerivedT, CounterPolicyT >(const intrusive_ref_counter< DerivedT, CounterPolicyT >* p) BOOST_NOEXCEPT;
};
template< typename DerivedT, typename CounterPolicyT >
inline void intrusive_ptr_add_ref(const intrusive_ref_counter< DerivedT, CounterPolicyT >* p) BOOST_NOEXCEPT
{
CounterPolicyT::increment(p->m_ref_counter);
}
template< typename DerivedT, typename CounterPolicyT >
inline void intrusive_ptr_release(const intrusive_ref_counter< DerivedT, CounterPolicyT >* p) BOOST_NOEXCEPT
{
if (CounterPolicyT::decrement(p->m_ref_counter) == 0)
delete static_cast< const DerivedT* >(p);
}
} // namespace sp_adl_block
using sp_adl_block::intrusive_ref_counter;
using sp_adl_block::thread_unsafe_counter;
using sp_adl_block::thread_safe_counter;
} // namespace boost
#if defined(_MSC_VER)
#pragma warning(pop)
#endif
#endif // BOOST_SMART_PTR_INTRUSIVE_REF_COUNTER_HPP_INCLUDED_
@@ -0,0 +1,22 @@
#ifndef BOOST_SMART_PTR_MAKE_SHARED_HPP_INCLUDED
#define BOOST_SMART_PTR_MAKE_SHARED_HPP_INCLUDED
// make_shared.hpp
//
// Copyright (c) 2007, 2008, 2012 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
// See http://www.boost.org/libs/smart_ptr/make_shared.html
// for documentation.
#include <boost/smart_ptr/make_shared_object.hpp>
#if !defined( BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION ) && !defined( BOOST_NO_SFINAE )
# include <boost/smart_ptr/make_shared_array.hpp>
# include <boost/smart_ptr/allocate_shared_array.hpp>
#endif
#endif // #ifndef BOOST_SMART_PTR_MAKE_SHARED_HPP_INCLUDED
@@ -0,0 +1,66 @@
/*
Copyright 2012-2017 Glen Joseph Fernandes
(glenjofe@gmail.com)
Distributed under the Boost Software License, Version 1.0.
(http://www.boost.org/LICENSE_1_0.txt)
*/
#ifndef BOOST_SMART_PTR_MAKE_SHARED_ARRAY_HPP
#define BOOST_SMART_PTR_MAKE_SHARED_ARRAY_HPP
#include <boost/smart_ptr/allocate_shared_array.hpp>
namespace boost {
template<class T>
inline typename detail::sp_if_size_array<T>::type
make_shared()
{
return boost::allocate_shared<T>(std::allocator<typename
detail::sp_array_scalar<T>::type>());
}
template<class T>
inline typename detail::sp_if_size_array<T>::type
make_shared(const typename detail::sp_array_element<T>::type& value)
{
return boost::allocate_shared<T>(std::allocator<typename
detail::sp_array_scalar<T>::type>(), value);
}
template<class T>
inline typename detail::sp_if_array<T>::type
make_shared(std::size_t size)
{
return boost::allocate_shared<T>(std::allocator<typename
detail::sp_array_scalar<T>::type>(), size);
}
template<class T>
inline typename detail::sp_if_array<T>::type
make_shared(std::size_t size,
const typename detail::sp_array_element<T>::type& value)
{
return boost::allocate_shared<T>(std::allocator<typename
detail::sp_array_scalar<T>::type>(), size, value);
}
template<class T>
inline typename detail::sp_if_size_array<T>::type
make_shared_noinit()
{
return allocate_shared_noinit<T>(std::allocator<typename
detail::sp_array_scalar<T>::type>());
}
template<class T>
inline typename detail::sp_if_array<T>::type
make_shared_noinit(std::size_t size)
{
return allocate_shared_noinit<T>(std::allocator<typename
detail::sp_array_scalar<T>::type>(), size);
}
} /* boost */
#endif
@@ -0,0 +1,801 @@
#ifndef BOOST_SMART_PTR_MAKE_SHARED_OBJECT_HPP_INCLUDED
#define BOOST_SMART_PTR_MAKE_SHARED_OBJECT_HPP_INCLUDED
// make_shared_object.hpp
//
// Copyright (c) 2007, 2008, 2012 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
// See http://www.boost.org/libs/smart_ptr/make_shared.html
// for documentation.
#include <boost/config.hpp>
#include <boost/move/core.hpp>
#include <boost/move/utility_core.hpp>
#include <boost/smart_ptr/shared_ptr.hpp>
#include <boost/smart_ptr/detail/sp_forward.hpp>
#include <boost/type_traits/type_with_alignment.hpp>
#include <boost/type_traits/alignment_of.hpp>
#include <cstddef>
#include <new>
namespace boost
{
namespace detail
{
template< std::size_t N, std::size_t A > struct sp_aligned_storage
{
union type
{
char data_[ N ];
typename boost::type_with_alignment< A >::type align_;
};
};
template< class T > class sp_ms_deleter
{
private:
typedef typename sp_aligned_storage< sizeof( T ), ::boost::alignment_of< T >::value >::type storage_type;
bool initialized_;
storage_type storage_;
private:
void destroy()
{
if( initialized_ )
{
#if defined( __GNUC__ )
// fixes incorrect aliasing warning
T * p = reinterpret_cast< T* >( storage_.data_ );
p->~T();
#else
reinterpret_cast< T* >( storage_.data_ )->~T();
#endif
initialized_ = false;
}
}
public:
sp_ms_deleter() BOOST_NOEXCEPT : initialized_( false )
{
}
template<class A> explicit sp_ms_deleter( A const & ) BOOST_NOEXCEPT : initialized_( false )
{
}
// optimization: do not copy storage_
sp_ms_deleter( sp_ms_deleter const & ) BOOST_NOEXCEPT : initialized_( false )
{
}
~sp_ms_deleter()
{
destroy();
}
void operator()( T * )
{
destroy();
}
static void operator_fn( T* ) // operator() can't be static
{
}
void * address() BOOST_NOEXCEPT
{
return storage_.data_;
}
void set_initialized() BOOST_NOEXCEPT
{
initialized_ = true;
}
};
template< class T, class A > class sp_as_deleter
{
private:
typedef typename sp_aligned_storage< sizeof( T ), ::boost::alignment_of< T >::value >::type storage_type;
storage_type storage_;
A a_;
bool initialized_;
private:
void destroy()
{
if( initialized_ )
{
T * p = reinterpret_cast< T* >( storage_.data_ );
#if !defined( BOOST_NO_CXX11_ALLOCATOR )
std::allocator_traits<A>::destroy( a_, p );
#else
p->~T();
#endif
initialized_ = false;
}
}
public:
sp_as_deleter( A const & a ) BOOST_NOEXCEPT : a_( a ), initialized_( false )
{
}
// optimization: do not copy storage_
sp_as_deleter( sp_as_deleter const & r ) BOOST_NOEXCEPT : a_( r.a_), initialized_( false )
{
}
~sp_as_deleter()
{
destroy();
}
void operator()( T * )
{
destroy();
}
static void operator_fn( T* ) // operator() can't be static
{
}
void * address() BOOST_NOEXCEPT
{
return storage_.data_;
}
void set_initialized() BOOST_NOEXCEPT
{
initialized_ = true;
}
};
template< class T > struct sp_if_not_array
{
typedef boost::shared_ptr< T > type;
};
#if !defined( BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION )
template< class T > struct sp_if_not_array< T[] >
{
};
#if !defined( __BORLANDC__ ) || !BOOST_WORKAROUND( __BORLANDC__, < 0x600 )
template< class T, std::size_t N > struct sp_if_not_array< T[N] >
{
};
#endif
#endif
} // namespace detail
#if !defined( BOOST_NO_FUNCTION_TEMPLATE_ORDERING )
# define BOOST_SP_MSD( T ) boost::detail::sp_inplace_tag< boost::detail::sp_ms_deleter< T > >()
#else
# define BOOST_SP_MSD( T ) boost::detail::sp_ms_deleter< T >()
#endif
// _noinit versions
template< class T > typename boost::detail::sp_if_not_array< T >::type make_shared_noinit()
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ) );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T;
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
template< class T, class A > typename boost::detail::sp_if_not_array< T >::type allocate_shared_noinit( A const & a )
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ), a );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T;
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
#if !defined( BOOST_NO_CXX11_VARIADIC_TEMPLATES ) && !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
// Variadic templates, rvalue reference
template< class T, class... Args > typename boost::detail::sp_if_not_array< T >::type make_shared( Args && ... args )
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ) );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T( boost::detail::sp_forward<Args>( args )... );
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
template< class T, class A, class... Args > typename boost::detail::sp_if_not_array< T >::type allocate_shared( A const & a, Args && ... args )
{
#if !defined( BOOST_NO_CXX11_ALLOCATOR )
typedef typename std::allocator_traits<A>::template rebind_alloc<T> A2;
A2 a2( a );
typedef boost::detail::sp_as_deleter< T, A2 > D;
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_inplace_tag<D>(), a2 );
#else
typedef boost::detail::sp_ms_deleter< T > D;
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_inplace_tag<D>(), a );
#endif
D * pd = static_cast< D* >( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
#if !defined( BOOST_NO_CXX11_ALLOCATOR )
std::allocator_traits<A2>::construct( a2, static_cast< T* >( pv ), boost::detail::sp_forward<Args>( args )... );
#else
::new( pv ) T( boost::detail::sp_forward<Args>( args )... );
#endif
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
#else // !defined( BOOST_NO_CXX11_VARIADIC_TEMPLATES ) && !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
// Common zero-argument versions
template< class T > typename boost::detail::sp_if_not_array< T >::type make_shared()
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ) );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T();
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
template< class T, class A > typename boost::detail::sp_if_not_array< T >::type allocate_shared( A const & a )
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ), a );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T();
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
// C++03 version
template< class T, class A1 >
typename boost::detail::sp_if_not_array< T >::type make_shared( BOOST_FWD_REF(A1) a1 )
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ) );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T(
boost::forward<A1>( a1 )
);
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
template< class T, class A, class A1 >
typename boost::detail::sp_if_not_array< T >::type allocate_shared( A const & a, BOOST_FWD_REF(A1) a1 )
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ), a );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T(
boost::forward<A1>( a1 )
);
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
template< class T, class A1, class A2 >
typename boost::detail::sp_if_not_array< T >::type make_shared( BOOST_FWD_REF(A1) a1, BOOST_FWD_REF(A2) a2 )
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ) );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T(
boost::forward<A1>( a1 ),
boost::forward<A2>( a2 )
);
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
template< class T, class A, class A1, class A2 >
typename boost::detail::sp_if_not_array< T >::type allocate_shared( A const & a, BOOST_FWD_REF(A1) a1, BOOST_FWD_REF(A2) a2 )
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ), a );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T(
boost::forward<A1>( a1 ),
boost::forward<A2>( a2 )
);
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
template< class T, class A1, class A2, class A3 >
typename boost::detail::sp_if_not_array< T >::type make_shared( BOOST_FWD_REF(A1) a1, BOOST_FWD_REF(A2) a2, BOOST_FWD_REF(A3) a3 )
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ) );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T(
boost::forward<A1>( a1 ),
boost::forward<A2>( a2 ),
boost::forward<A3>( a3 )
);
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
template< class T, class A, class A1, class A2, class A3 >
typename boost::detail::sp_if_not_array< T >::type allocate_shared( A const & a, BOOST_FWD_REF(A1) a1, BOOST_FWD_REF(A2) a2, BOOST_FWD_REF(A3) a3 )
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ), a );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T(
boost::forward<A1>( a1 ),
boost::forward<A2>( a2 ),
boost::forward<A3>( a3 )
);
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
template< class T, class A1, class A2, class A3, class A4 >
typename boost::detail::sp_if_not_array< T >::type make_shared( BOOST_FWD_REF(A1) a1, BOOST_FWD_REF(A2) a2, BOOST_FWD_REF(A3) a3, BOOST_FWD_REF(A4) a4 )
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ) );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T(
boost::forward<A1>( a1 ),
boost::forward<A2>( a2 ),
boost::forward<A3>( a3 ),
boost::forward<A4>( a4 )
);
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
template< class T, class A, class A1, class A2, class A3, class A4 >
typename boost::detail::sp_if_not_array< T >::type allocate_shared( A const & a, BOOST_FWD_REF(A1) a1, BOOST_FWD_REF(A2) a2, BOOST_FWD_REF(A3) a3, BOOST_FWD_REF(A4) a4 )
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ), a );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T(
boost::forward<A1>( a1 ),
boost::forward<A2>( a2 ),
boost::forward<A3>( a3 ),
boost::forward<A4>( a4 )
);
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
template< class T, class A1, class A2, class A3, class A4, class A5 >
typename boost::detail::sp_if_not_array< T >::type make_shared( BOOST_FWD_REF(A1) a1, BOOST_FWD_REF(A2) a2, BOOST_FWD_REF(A3) a3, BOOST_FWD_REF(A4) a4, BOOST_FWD_REF(A5) a5 )
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ) );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T(
boost::forward<A1>( a1 ),
boost::forward<A2>( a2 ),
boost::forward<A3>( a3 ),
boost::forward<A4>( a4 ),
boost::forward<A5>( a5 )
);
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
template< class T, class A, class A1, class A2, class A3, class A4, class A5 >
typename boost::detail::sp_if_not_array< T >::type allocate_shared( A const & a, BOOST_FWD_REF(A1) a1, BOOST_FWD_REF(A2) a2, BOOST_FWD_REF(A3) a3, BOOST_FWD_REF(A4) a4, BOOST_FWD_REF(A5) a5 )
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ), a );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T(
boost::forward<A1>( a1 ),
boost::forward<A2>( a2 ),
boost::forward<A3>( a3 ),
boost::forward<A4>( a4 ),
boost::forward<A5>( a5 )
);
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
template< class T, class A1, class A2, class A3, class A4, class A5, class A6 >
typename boost::detail::sp_if_not_array< T >::type make_shared( BOOST_FWD_REF(A1) a1, BOOST_FWD_REF(A2) a2, BOOST_FWD_REF(A3) a3, BOOST_FWD_REF(A4) a4, BOOST_FWD_REF(A5) a5, BOOST_FWD_REF(A6) a6 )
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ) );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T(
boost::forward<A1>( a1 ),
boost::forward<A2>( a2 ),
boost::forward<A3>( a3 ),
boost::forward<A4>( a4 ),
boost::forward<A5>( a5 ),
boost::forward<A6>( a6 )
);
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
template< class T, class A, class A1, class A2, class A3, class A4, class A5, class A6 >
typename boost::detail::sp_if_not_array< T >::type allocate_shared( A const & a, BOOST_FWD_REF(A1) a1, BOOST_FWD_REF(A2) a2, BOOST_FWD_REF(A3) a3, BOOST_FWD_REF(A4) a4, BOOST_FWD_REF(A5) a5, BOOST_FWD_REF(A6) a6 )
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ), a );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T(
boost::forward<A1>( a1 ),
boost::forward<A2>( a2 ),
boost::forward<A3>( a3 ),
boost::forward<A4>( a4 ),
boost::forward<A5>( a5 ),
boost::forward<A6>( a6 )
);
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
template< class T, class A1, class A2, class A3, class A4, class A5, class A6, class A7 >
typename boost::detail::sp_if_not_array< T >::type make_shared( BOOST_FWD_REF(A1) a1, BOOST_FWD_REF(A2) a2, BOOST_FWD_REF(A3) a3, BOOST_FWD_REF(A4) a4, BOOST_FWD_REF(A5) a5, BOOST_FWD_REF(A6) a6, BOOST_FWD_REF(A7) a7 )
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ) );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T(
boost::forward<A1>( a1 ),
boost::forward<A2>( a2 ),
boost::forward<A3>( a3 ),
boost::forward<A4>( a4 ),
boost::forward<A5>( a5 ),
boost::forward<A6>( a6 ),
boost::forward<A7>( a7 )
);
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
template< class T, class A, class A1, class A2, class A3, class A4, class A5, class A6, class A7 >
typename boost::detail::sp_if_not_array< T >::type allocate_shared( A const & a, BOOST_FWD_REF(A1) a1, BOOST_FWD_REF(A2) a2, BOOST_FWD_REF(A3) a3, BOOST_FWD_REF(A4) a4, BOOST_FWD_REF(A5) a5, BOOST_FWD_REF(A6) a6, BOOST_FWD_REF(A7) a7 )
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ), a );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T(
boost::forward<A1>( a1 ),
boost::forward<A2>( a2 ),
boost::forward<A3>( a3 ),
boost::forward<A4>( a4 ),
boost::forward<A5>( a5 ),
boost::forward<A6>( a6 ),
boost::forward<A7>( a7 )
);
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
template< class T, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8 >
typename boost::detail::sp_if_not_array< T >::type make_shared( BOOST_FWD_REF(A1) a1, BOOST_FWD_REF(A2) a2, BOOST_FWD_REF(A3) a3, BOOST_FWD_REF(A4) a4, BOOST_FWD_REF(A5) a5, BOOST_FWD_REF(A6) a6, BOOST_FWD_REF(A7) a7, BOOST_FWD_REF(A8) a8 )
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ) );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T(
boost::forward<A1>( a1 ),
boost::forward<A2>( a2 ),
boost::forward<A3>( a3 ),
boost::forward<A4>( a4 ),
boost::forward<A5>( a5 ),
boost::forward<A6>( a6 ),
boost::forward<A7>( a7 ),
boost::forward<A8>( a8 )
);
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
template< class T, class A, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8 >
typename boost::detail::sp_if_not_array< T >::type allocate_shared( A const & a, BOOST_FWD_REF(A1) a1, BOOST_FWD_REF(A2) a2, BOOST_FWD_REF(A3) a3, BOOST_FWD_REF(A4) a4, BOOST_FWD_REF(A5) a5, BOOST_FWD_REF(A6) a6, BOOST_FWD_REF(A7) a7, BOOST_FWD_REF(A8) a8 )
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ), a );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T(
boost::forward<A1>( a1 ),
boost::forward<A2>( a2 ),
boost::forward<A3>( a3 ),
boost::forward<A4>( a4 ),
boost::forward<A5>( a5 ),
boost::forward<A6>( a6 ),
boost::forward<A7>( a7 ),
boost::forward<A8>( a8 )
);
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
template< class T, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9 >
typename boost::detail::sp_if_not_array< T >::type make_shared( BOOST_FWD_REF(A1) a1, BOOST_FWD_REF(A2) a2, BOOST_FWD_REF(A3) a3, BOOST_FWD_REF(A4) a4, BOOST_FWD_REF(A5) a5, BOOST_FWD_REF(A6) a6, BOOST_FWD_REF(A7) a7, BOOST_FWD_REF(A8) a8, BOOST_FWD_REF(A9) a9 )
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ) );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T(
boost::forward<A1>( a1 ),
boost::forward<A2>( a2 ),
boost::forward<A3>( a3 ),
boost::forward<A4>( a4 ),
boost::forward<A5>( a5 ),
boost::forward<A6>( a6 ),
boost::forward<A7>( a7 ),
boost::forward<A8>( a8 ),
boost::forward<A9>( a9 )
);
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
template< class T, class A, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9 >
typename boost::detail::sp_if_not_array< T >::type allocate_shared( A const & a, BOOST_FWD_REF(A1) a1, BOOST_FWD_REF(A2) a2, BOOST_FWD_REF(A3) a3, BOOST_FWD_REF(A4) a4, BOOST_FWD_REF(A5) a5, BOOST_FWD_REF(A6) a6, BOOST_FWD_REF(A7) a7, BOOST_FWD_REF(A8) a8, BOOST_FWD_REF(A9) a9 )
{
boost::shared_ptr< T > pt( static_cast< T* >( 0 ), BOOST_SP_MSD( T ), a );
boost::detail::sp_ms_deleter< T > * pd = static_cast<boost::detail::sp_ms_deleter< T > *>( pt._internal_get_untyped_deleter() );
void * pv = pd->address();
::new( pv ) T(
boost::forward<A1>( a1 ),
boost::forward<A2>( a2 ),
boost::forward<A3>( a3 ),
boost::forward<A4>( a4 ),
boost::forward<A5>( a5 ),
boost::forward<A6>( a6 ),
boost::forward<A7>( a7 ),
boost::forward<A8>( a8 ),
boost::forward<A9>( a9 )
);
pd->set_initialized();
T * pt2 = static_cast< T* >( pv );
boost::detail::sp_enable_shared_from_this( &pt, pt2, pt2 );
return boost::shared_ptr< T >( pt, pt2 );
}
#endif // !defined( BOOST_NO_CXX11_VARIADIC_TEMPLATES ) && !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
#undef BOOST_SP_MSD
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_MAKE_SHARED_OBJECT_HPP_INCLUDED
@@ -0,0 +1,110 @@
/*
Copyright 2012-2015 Glen Joseph Fernandes
(glenjofe@gmail.com)
Distributed under the Boost Software License, Version 1.0.
(http://www.boost.org/LICENSE_1_0.txt)
*/
#ifndef BOOST_SMART_PTR_MAKE_UNIQUE_HPP
#define BOOST_SMART_PTR_MAKE_UNIQUE_HPP
#include <boost/config.hpp>
#include <memory>
#include <utility>
namespace boost {
namespace detail {
template<class T>
struct up_if_object {
typedef std::unique_ptr<T> type;
};
template<class T>
struct up_if_object<T[]> { };
template<class T, std::size_t N>
struct up_if_object<T[N]> { };
template<class T>
struct up_if_array { };
template<class T>
struct up_if_array<T[]> {
typedef std::unique_ptr<T[]> type;
};
template<class T>
struct up_remove_reference {
typedef T type;
};
template<class T>
struct up_remove_reference<T&> {
typedef T type;
};
template<class T>
struct up_remove_reference<T&&> {
typedef T type;
};
template<class T>
struct up_element { };
template<class T>
struct up_element<T[]> {
typedef T type;
};
} /* detail */
template<class T>
inline typename detail::up_if_object<T>::type
make_unique()
{
return std::unique_ptr<T>(new T());
}
#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
template<class T, class... Args>
inline typename detail::up_if_object<T>::type
make_unique(Args&&... args)
{
return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
}
#endif
template<class T>
inline typename detail::up_if_object<T>::type
make_unique(typename detail::up_remove_reference<T>::type&& value)
{
return std::unique_ptr<T>(new T(std::move(value)));
}
template<class T>
inline typename detail::up_if_object<T>::type
make_unique_noinit()
{
return std::unique_ptr<T>(new T);
}
template<class T>
inline typename detail::up_if_array<T>::type
make_unique(std::size_t size)
{
return std::unique_ptr<T>(new typename
detail::up_element<T>::type[size]());
}
template<class T>
inline typename detail::up_if_array<T>::type
make_unique_noinit(std::size_t size)
{
return std::unique_ptr<T>(new typename
detail::up_element<T>::type[size]);
}
} /* boost */
#endif
@@ -0,0 +1,34 @@
#ifndef BOOST_SMART_PTR_OWNER_LESS_HPP_INCLUDED
#define BOOST_SMART_PTR_OWNER_LESS_HPP_INCLUDED
//
// owner_less.hpp
//
// Copyright (c) 2008 Frank Mori Hess
// Copyright (c) 2016 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/smart_ptr/smart_ptr.htm for documentation.
//
namespace boost
{
template<class T = void> struct owner_less
{
typedef bool result_type;
typedef T first_argument_type;
typedef T second_argument_type;
template<class U, class V> bool operator()( U const & u, V const & v ) const
{
return u.owner_before( v );
}
};
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_OWNER_LESS_HPP_INCLUDED
@@ -0,0 +1,133 @@
#ifndef BOOST_SMART_PTR_SCOPED_ARRAY_HPP_INCLUDED
#define BOOST_SMART_PTR_SCOPED_ARRAY_HPP_INCLUDED
// (C) Copyright Greg Colvin and Beman Dawes 1998, 1999.
// Copyright (c) 2001, 2002 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// http://www.boost.org/libs/smart_ptr/scoped_array.htm
//
#include <boost/config.hpp>
#include <boost/assert.hpp>
#include <boost/checked_delete.hpp>
#include <boost/smart_ptr/detail/sp_nullptr_t.hpp>
#include <boost/smart_ptr/detail/sp_noexcept.hpp>
#include <boost/detail/workaround.hpp>
#include <cstddef> // for std::ptrdiff_t
namespace boost
{
// Debug hooks
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
void sp_array_constructor_hook(void * p);
void sp_array_destructor_hook(void * p);
#endif
// scoped_array extends scoped_ptr to arrays. Deletion of the array pointed to
// is guaranteed, either on destruction of the scoped_array or via an explicit
// reset(). Use shared_array or std::vector if your needs are more complex.
template<class T> class scoped_array // noncopyable
{
private:
T * px;
scoped_array(scoped_array const &);
scoped_array & operator=(scoped_array const &);
typedef scoped_array<T> this_type;
void operator==( scoped_array const& ) const;
void operator!=( scoped_array const& ) const;
public:
typedef T element_type;
explicit scoped_array( T * p = 0 ) BOOST_SP_NOEXCEPT : px( p )
{
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
boost::sp_array_constructor_hook( px );
#endif
}
~scoped_array() // never throws
{
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
boost::sp_array_destructor_hook( px );
#endif
boost::checked_array_delete( px );
}
void reset(T * p = 0) // never throws (but has a BOOST_ASSERT in it, so not marked with BOOST_NOEXCEPT)
{
BOOST_ASSERT( p == 0 || p != px ); // catch self-reset errors
this_type(p).swap(*this);
}
T & operator[](std::ptrdiff_t i) const // never throws (but has a BOOST_ASSERT in it, so not marked with BOOST_NOEXCEPT)
{
BOOST_ASSERT( px != 0 );
BOOST_ASSERT( i >= 0 );
return px[i];
}
T * get() const BOOST_NOEXCEPT
{
return px;
}
// implicit conversion to "bool"
#include <boost/smart_ptr/detail/operator_bool.hpp>
void swap(scoped_array & b) BOOST_NOEXCEPT
{
T * tmp = b.px;
b.px = px;
px = tmp;
}
};
#if !defined( BOOST_NO_CXX11_NULLPTR )
template<class T> inline bool operator==( scoped_array<T> const & p, boost::detail::sp_nullptr_t ) BOOST_NOEXCEPT
{
return p.get() == 0;
}
template<class T> inline bool operator==( boost::detail::sp_nullptr_t, scoped_array<T> const & p ) BOOST_NOEXCEPT
{
return p.get() == 0;
}
template<class T> inline bool operator!=( scoped_array<T> const & p, boost::detail::sp_nullptr_t ) BOOST_NOEXCEPT
{
return p.get() != 0;
}
template<class T> inline bool operator!=( boost::detail::sp_nullptr_t, scoped_array<T> const & p ) BOOST_NOEXCEPT
{
return p.get() != 0;
}
#endif
template<class T> inline void swap(scoped_array<T> & a, scoped_array<T> & b) BOOST_NOEXCEPT
{
a.swap(b);
}
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_SCOPED_ARRAY_HPP_INCLUDED
@@ -0,0 +1,168 @@
#ifndef BOOST_SMART_PTR_SCOPED_PTR_HPP_INCLUDED
#define BOOST_SMART_PTR_SCOPED_PTR_HPP_INCLUDED
// (C) Copyright Greg Colvin and Beman Dawes 1998, 1999.
// Copyright (c) 2001, 2002 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// http://www.boost.org/libs/smart_ptr/scoped_ptr.htm
//
#include <boost/config.hpp>
#include <boost/assert.hpp>
#include <boost/checked_delete.hpp>
#include <boost/smart_ptr/detail/sp_nullptr_t.hpp>
#include <boost/smart_ptr/detail/sp_disable_deprecated.hpp>
#include <boost/smart_ptr/detail/sp_noexcept.hpp>
#include <boost/detail/workaround.hpp>
#ifndef BOOST_NO_AUTO_PTR
# include <memory> // for std::auto_ptr
#endif
#if defined( BOOST_SP_DISABLE_DEPRECATED )
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
namespace boost
{
// Debug hooks
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
void sp_scalar_constructor_hook(void * p);
void sp_scalar_destructor_hook(void * p);
#endif
// scoped_ptr mimics a built-in pointer except that it guarantees deletion
// of the object pointed to, either on destruction of the scoped_ptr or via
// an explicit reset(). scoped_ptr is a simple solution for simple needs;
// use shared_ptr or std::auto_ptr if your needs are more complex.
template<class T> class scoped_ptr // noncopyable
{
private:
T * px;
scoped_ptr(scoped_ptr const &);
scoped_ptr & operator=(scoped_ptr const &);
typedef scoped_ptr<T> this_type;
void operator==( scoped_ptr const& ) const;
void operator!=( scoped_ptr const& ) const;
public:
typedef T element_type;
explicit scoped_ptr( T * p = 0 ) BOOST_SP_NOEXCEPT : px( p ) // never throws
{
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
boost::sp_scalar_constructor_hook( px );
#endif
}
#ifndef BOOST_NO_AUTO_PTR
explicit scoped_ptr( std::auto_ptr<T> p ) BOOST_NOEXCEPT : px( p.release() )
{
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
boost::sp_scalar_constructor_hook( px );
#endif
}
#endif
~scoped_ptr() // never throws
{
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
boost::sp_scalar_destructor_hook( px );
#endif
boost::checked_delete( px );
}
void reset(T * p = 0) // never throws
{
BOOST_ASSERT( p == 0 || p != px ); // catch self-reset errors
this_type(p).swap(*this);
}
T & operator*() const // never throws
{
BOOST_ASSERT( px != 0 );
return *px;
}
T * operator->() const // never throws
{
BOOST_ASSERT( px != 0 );
return px;
}
T * get() const BOOST_NOEXCEPT
{
return px;
}
// implicit conversion to "bool"
#include <boost/smart_ptr/detail/operator_bool.hpp>
void swap(scoped_ptr & b) BOOST_NOEXCEPT
{
T * tmp = b.px;
b.px = px;
px = tmp;
}
};
#if !defined( BOOST_NO_CXX11_NULLPTR )
template<class T> inline bool operator==( scoped_ptr<T> const & p, boost::detail::sp_nullptr_t ) BOOST_NOEXCEPT
{
return p.get() == 0;
}
template<class T> inline bool operator==( boost::detail::sp_nullptr_t, scoped_ptr<T> const & p ) BOOST_NOEXCEPT
{
return p.get() == 0;
}
template<class T> inline bool operator!=( scoped_ptr<T> const & p, boost::detail::sp_nullptr_t ) BOOST_NOEXCEPT
{
return p.get() != 0;
}
template<class T> inline bool operator!=( boost::detail::sp_nullptr_t, scoped_ptr<T> const & p ) BOOST_NOEXCEPT
{
return p.get() != 0;
}
#endif
template<class T> inline void swap(scoped_ptr<T> & a, scoped_ptr<T> & b) BOOST_NOEXCEPT
{
a.swap(b);
}
// get_pointer(p) is a generic way to say p.get()
template<class T> inline T * get_pointer(scoped_ptr<T> const & p) BOOST_NOEXCEPT
{
return p.get();
}
} // namespace boost
#if defined( BOOST_SP_DISABLE_DEPRECATED )
#pragma GCC diagnostic pop
#endif
#endif // #ifndef BOOST_SMART_PTR_SCOPED_PTR_HPP_INCLUDED
@@ -0,0 +1,293 @@
#ifndef BOOST_SMART_PTR_SHARED_ARRAY_HPP_INCLUDED
#define BOOST_SMART_PTR_SHARED_ARRAY_HPP_INCLUDED
//
// shared_array.hpp
//
// (C) Copyright Greg Colvin and Beman Dawes 1998, 1999.
// Copyright (c) 2001, 2002, 2012 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/smart_ptr/shared_array.htm for documentation.
//
#include <boost/config.hpp> // for broken compiler workarounds
#include <memory> // TR1 cyclic inclusion fix
#include <boost/assert.hpp>
#include <boost/checked_delete.hpp>
#include <boost/smart_ptr/shared_ptr.hpp>
#include <boost/smart_ptr/detail/shared_count.hpp>
#include <boost/smart_ptr/detail/sp_nullptr_t.hpp>
#include <boost/smart_ptr/detail/sp_noexcept.hpp>
#include <boost/detail/workaround.hpp>
#include <cstddef> // for std::ptrdiff_t
#include <algorithm> // for std::swap
#include <functional> // for std::less
namespace boost
{
//
// shared_array
//
// shared_array extends shared_ptr to arrays.
// The array pointed to is deleted when the last shared_array pointing to it
// is destroyed or reset.
//
template<class T> class shared_array
{
private:
// Borland 5.5.1 specific workarounds
typedef checked_array_deleter<T> deleter;
typedef shared_array<T> this_type;
public:
typedef T element_type;
shared_array() BOOST_SP_NOEXCEPT : px( 0 ), pn()
{
}
#if !defined( BOOST_NO_CXX11_NULLPTR )
shared_array( boost::detail::sp_nullptr_t ) BOOST_SP_NOEXCEPT : px( 0 ), pn()
{
}
#endif
template<class Y>
explicit shared_array( Y * p ): px( p ), pn( p, checked_array_deleter<Y>() )
{
boost::detail::sp_assert_convertible< Y[], T[] >();
}
//
// Requirements: D's copy constructor must not throw
//
// shared_array will release p by calling d(p)
//
template<class Y, class D> shared_array( Y * p, D d ): px( p ), pn( p, d )
{
boost::detail::sp_assert_convertible< Y[], T[] >();
}
// As above, but with allocator. A's copy constructor shall not throw.
template<class Y, class D, class A> shared_array( Y * p, D d, A a ): px( p ), pn( p, d, a )
{
boost::detail::sp_assert_convertible< Y[], T[] >();
}
// generated copy constructor, destructor are fine...
#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
// ... except in C++0x, move disables the implicit copy
shared_array( shared_array const & r ) BOOST_SP_NOEXCEPT : px( r.px ), pn( r.pn )
{
}
shared_array( shared_array && r ) BOOST_SP_NOEXCEPT : px( r.px ), pn()
{
pn.swap( r.pn );
r.px = 0;
}
#endif
// conversion
template<class Y>
#if !defined( BOOST_SP_NO_SP_CONVERTIBLE )
shared_array( shared_array<Y> const & r, typename boost::detail::sp_enable_if_convertible< Y[], T[] >::type = boost::detail::sp_empty() )
#else
shared_array( shared_array<Y> const & r )
#endif
BOOST_NOEXCEPT : px( r.px ), pn( r.pn ) // never throws
{
boost::detail::sp_assert_convertible< Y[], T[] >();
}
// aliasing
template< class Y >
shared_array( shared_array<Y> const & r, element_type * p ) BOOST_NOEXCEPT : px( p ), pn( r.pn )
{
}
// assignment
shared_array & operator=( shared_array const & r ) BOOST_SP_NOEXCEPT
{
this_type( r ).swap( *this );
return *this;
}
#if !defined(BOOST_MSVC) || (BOOST_MSVC >= 1400)
template<class Y>
shared_array & operator=( shared_array<Y> const & r ) BOOST_NOEXCEPT
{
this_type( r ).swap( *this );
return *this;
}
#endif
#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
shared_array & operator=( shared_array && r ) BOOST_SP_NOEXCEPT
{
this_type( static_cast< shared_array && >( r ) ).swap( *this );
return *this;
}
template<class Y>
shared_array & operator=( shared_array<Y> && r ) BOOST_NOEXCEPT
{
this_type( static_cast< shared_array<Y> && >( r ) ).swap( *this );
return *this;
}
#endif
void reset() BOOST_NOEXCEPT
{
this_type().swap( *this );
}
template<class Y> void reset( Y * p ) // Y must be complete
{
BOOST_ASSERT( p == 0 || p != px ); // catch self-reset errors
this_type( p ).swap( *this );
}
template<class Y, class D> void reset( Y * p, D d )
{
this_type( p, d ).swap( *this );
}
template<class Y, class D, class A> void reset( Y * p, D d, A a )
{
this_type( p, d, a ).swap( *this );
}
template<class Y> void reset( shared_array<Y> const & r, element_type * p )
{
this_type( r, p ).swap( *this );
}
T & operator[] (std::ptrdiff_t i) const // never throws (but has a BOOST_ASSERT in it, so not marked with BOOST_NOEXCEPT)
{
BOOST_ASSERT(px != 0);
BOOST_ASSERT(i >= 0);
return px[i];
}
T * get() const BOOST_NOEXCEPT
{
return px;
}
// implicit conversion to "bool"
#include <boost/smart_ptr/detail/operator_bool.hpp>
bool unique() const BOOST_NOEXCEPT
{
return pn.unique();
}
long use_count() const BOOST_NOEXCEPT
{
return pn.use_count();
}
void swap(shared_array<T> & other) BOOST_NOEXCEPT
{
std::swap(px, other.px);
pn.swap(other.pn);
}
void * _internal_get_deleter( boost::detail::sp_typeinfo const & ti ) const
{
return pn.get_deleter( ti );
}
private:
template<class Y> friend class shared_array;
T * px; // contained pointer
detail::shared_count pn; // reference counter
}; // shared_array
template<class T> inline bool operator==(shared_array<T> const & a, shared_array<T> const & b) BOOST_NOEXCEPT
{
return a.get() == b.get();
}
template<class T> inline bool operator!=(shared_array<T> const & a, shared_array<T> const & b) BOOST_NOEXCEPT
{
return a.get() != b.get();
}
#if !defined( BOOST_NO_CXX11_NULLPTR )
template<class T> inline bool operator==( shared_array<T> const & p, boost::detail::sp_nullptr_t ) BOOST_NOEXCEPT
{
return p.get() == 0;
}
template<class T> inline bool operator==( boost::detail::sp_nullptr_t, shared_array<T> const & p ) BOOST_NOEXCEPT
{
return p.get() == 0;
}
template<class T> inline bool operator!=( shared_array<T> const & p, boost::detail::sp_nullptr_t ) BOOST_NOEXCEPT
{
return p.get() != 0;
}
template<class T> inline bool operator!=( boost::detail::sp_nullptr_t, shared_array<T> const & p ) BOOST_NOEXCEPT
{
return p.get() != 0;
}
#endif
template<class T> inline bool operator<(shared_array<T> const & a, shared_array<T> const & b) BOOST_NOEXCEPT
{
return std::less<T*>()(a.get(), b.get());
}
template<class T> void swap(shared_array<T> & a, shared_array<T> & b) BOOST_NOEXCEPT
{
a.swap(b);
}
template< class D, class T > D * get_deleter( shared_array<T> const & p )
{
return static_cast< D * >( p._internal_get_deleter( BOOST_SP_TYPEID(D) ) );
}
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_SHARED_ARRAY_HPP_INCLUDED
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,254 @@
#ifndef BOOST_SMART_PTR_WEAK_PTR_HPP_INCLUDED
#define BOOST_SMART_PTR_WEAK_PTR_HPP_INCLUDED
//
// weak_ptr.hpp
//
// Copyright (c) 2001, 2002, 2003 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/smart_ptr/weak_ptr.htm for documentation.
//
#include <memory> // boost.TR1 include order fix
#include <boost/smart_ptr/detail/shared_count.hpp>
#include <boost/smart_ptr/shared_ptr.hpp>
#include <boost/smart_ptr/detail/sp_noexcept.hpp>
namespace boost
{
template<class T> class weak_ptr
{
private:
// Borland 5.5.1 specific workarounds
typedef weak_ptr<T> this_type;
public:
typedef typename boost::detail::sp_element< T >::type element_type;
weak_ptr() BOOST_SP_NOEXCEPT : px(0), pn() // never throws in 1.30+
{
}
// generated copy constructor, assignment, destructor are fine...
#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
// ... except in C++0x, move disables the implicit copy
weak_ptr( weak_ptr const & r ) BOOST_SP_NOEXCEPT : px( r.px ), pn( r.pn )
{
}
weak_ptr & operator=( weak_ptr const & r ) BOOST_SP_NOEXCEPT
{
px = r.px;
pn = r.pn;
return *this;
}
#endif
//
// The "obvious" converting constructor implementation:
//
// template<class Y>
// weak_ptr(weak_ptr<Y> const & r): px(r.px), pn(r.pn) // never throws
// {
// }
//
// has a serious problem.
//
// r.px may already have been invalidated. The px(r.px)
// conversion may require access to *r.px (virtual inheritance).
//
// It is not possible to avoid spurious access violations since
// in multithreaded programs r.px may be invalidated at any point.
//
template<class Y>
#if !defined( BOOST_SP_NO_SP_CONVERTIBLE )
weak_ptr( weak_ptr<Y> const & r, typename boost::detail::sp_enable_if_convertible<Y,T>::type = boost::detail::sp_empty() )
#else
weak_ptr( weak_ptr<Y> const & r )
#endif
BOOST_NOEXCEPT : px(r.lock().get()), pn(r.pn)
{
boost::detail::sp_assert_convertible< Y, T >();
}
#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
template<class Y>
#if !defined( BOOST_SP_NO_SP_CONVERTIBLE )
weak_ptr( weak_ptr<Y> && r, typename boost::detail::sp_enable_if_convertible<Y,T>::type = boost::detail::sp_empty() )
#else
weak_ptr( weak_ptr<Y> && r )
#endif
BOOST_NOEXCEPT : px( r.lock().get() ), pn( static_cast< boost::detail::weak_count && >( r.pn ) )
{
boost::detail::sp_assert_convertible< Y, T >();
r.px = 0;
}
// for better efficiency in the T == Y case
weak_ptr( weak_ptr && r )
BOOST_SP_NOEXCEPT : px( r.px ), pn( static_cast< boost::detail::weak_count && >( r.pn ) )
{
r.px = 0;
}
// for better efficiency in the T == Y case
weak_ptr & operator=( weak_ptr && r ) BOOST_SP_NOEXCEPT
{
this_type( static_cast< weak_ptr && >( r ) ).swap( *this );
return *this;
}
#endif
template<class Y>
#if !defined( BOOST_SP_NO_SP_CONVERTIBLE )
weak_ptr( shared_ptr<Y> const & r, typename boost::detail::sp_enable_if_convertible<Y,T>::type = boost::detail::sp_empty() )
#else
weak_ptr( shared_ptr<Y> const & r )
#endif
BOOST_NOEXCEPT : px( r.px ), pn( r.pn )
{
boost::detail::sp_assert_convertible< Y, T >();
}
#if !defined(BOOST_MSVC) || (BOOST_MSVC >= 1300)
template<class Y>
weak_ptr & operator=( weak_ptr<Y> const & r ) BOOST_NOEXCEPT
{
boost::detail::sp_assert_convertible< Y, T >();
px = r.lock().get();
pn = r.pn;
return *this;
}
#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
template<class Y>
weak_ptr & operator=( weak_ptr<Y> && r ) BOOST_NOEXCEPT
{
this_type( static_cast< weak_ptr<Y> && >( r ) ).swap( *this );
return *this;
}
#endif
template<class Y>
weak_ptr & operator=( shared_ptr<Y> const & r ) BOOST_NOEXCEPT
{
boost::detail::sp_assert_convertible< Y, T >();
px = r.px;
pn = r.pn;
return *this;
}
#endif
shared_ptr<T> lock() const BOOST_NOEXCEPT
{
return shared_ptr<T>( *this, boost::detail::sp_nothrow_tag() );
}
long use_count() const BOOST_NOEXCEPT
{
return pn.use_count();
}
bool expired() const BOOST_NOEXCEPT
{
return pn.use_count() == 0;
}
bool _empty() const // extension, not in std::weak_ptr
{
return pn.empty();
}
void reset() BOOST_NOEXCEPT // never throws in 1.30+
{
this_type().swap(*this);
}
void swap(this_type & other) BOOST_NOEXCEPT
{
std::swap(px, other.px);
pn.swap(other.pn);
}
template<typename Y>
void _internal_aliasing_assign(weak_ptr<Y> const & r, element_type * px2)
{
px = px2;
pn = r.pn;
}
template<class Y> bool owner_before( weak_ptr<Y> const & rhs ) const BOOST_NOEXCEPT
{
return pn < rhs.pn;
}
template<class Y> bool owner_before( shared_ptr<Y> const & rhs ) const BOOST_NOEXCEPT
{
return pn < rhs.pn;
}
// Tasteless as this may seem, making all members public allows member templates
// to work in the absence of member template friends. (Matthew Langston)
#ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
private:
template<class Y> friend class weak_ptr;
template<class Y> friend class shared_ptr;
#endif
element_type * px; // contained pointer
boost::detail::weak_count pn; // reference counter
}; // weak_ptr
template<class T, class U> inline bool operator<(weak_ptr<T> const & a, weak_ptr<U> const & b) BOOST_NOEXCEPT
{
return a.owner_before( b );
}
template<class T> void swap(weak_ptr<T> & a, weak_ptr<T> & b) BOOST_NOEXCEPT
{
a.swap(b);
}
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_WEAK_PTR_HPP_INCLUDED