stabilize build system: depends, installer, boost/bdb fixes, cross targets groundwork
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//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2005-2012. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/interprocess for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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//
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// Parts of the pthread code come from Boost Threads code:
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//
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//////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2001-2003
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// William E. Kempf
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//
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// Permission to use, copy, modify, distribute and sell this software
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// and its documentation for any purpose is hereby granted without fee,
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// provided that the above copyright notice appear in all copies and
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// that both that copyright notice and this permission notice appear
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// in supporting documentation. William E. Kempf makes no representations
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// about the suitability of this software for any purpose.
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// It is provided "as is" without express or implied warranty.
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//////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_INTERPROCESS_DETAIL_POSIX_MUTEX_HPP
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#define BOOST_INTERPROCESS_DETAIL_POSIX_MUTEX_HPP
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#ifndef BOOST_CONFIG_HPP
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# include <boost/config.hpp>
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#endif
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#
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#if defined(BOOST_HAS_PRAGMA_ONCE)
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# pragma once
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#endif
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#include <boost/interprocess/detail/config_begin.hpp>
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#include <boost/interprocess/detail/workaround.hpp>
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#include <pthread.h>
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#include <errno.h>
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#include <boost/interprocess/exceptions.hpp>
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#include <boost/interprocess/sync/posix/ptime_to_timespec.hpp>
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#include <boost/interprocess/detail/posix_time_types_wrk.hpp>
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#include <boost/interprocess/exceptions.hpp>
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#include <boost/interprocess/sync/posix/pthread_helpers.hpp>
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#ifndef BOOST_INTERPROCESS_POSIX_TIMEOUTS
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# include <boost/interprocess/detail/os_thread_functions.hpp>
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# include <boost/interprocess/sync/detail/common_algorithms.hpp>
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#endif
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#include <boost/assert.hpp>
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namespace boost {
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namespace interprocess {
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namespace ipcdetail {
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class posix_condition;
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class posix_mutex
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{
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posix_mutex(const posix_mutex &);
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posix_mutex &operator=(const posix_mutex &);
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public:
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posix_mutex();
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~posix_mutex();
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void lock();
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bool try_lock();
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bool timed_lock(const boost::posix_time::ptime &abs_time);
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void unlock();
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friend class posix_condition;
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private:
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pthread_mutex_t m_mut;
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};
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inline posix_mutex::posix_mutex()
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{
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mutexattr_wrapper mut_attr;
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mutex_initializer mut(m_mut, mut_attr);
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mut.release();
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}
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inline posix_mutex::~posix_mutex()
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{
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int res = pthread_mutex_destroy(&m_mut);
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BOOST_ASSERT(res == 0);(void)res;
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}
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inline void posix_mutex::lock()
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{
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if (pthread_mutex_lock(&m_mut) != 0)
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throw lock_exception();
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}
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inline bool posix_mutex::try_lock()
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{
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int res = pthread_mutex_trylock(&m_mut);
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if (!(res == 0 || res == EBUSY))
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throw lock_exception();
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return res == 0;
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}
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inline bool posix_mutex::timed_lock(const boost::posix_time::ptime &abs_time)
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{
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#ifdef BOOST_INTERPROCESS_POSIX_TIMEOUTS
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//Posix does not support infinity absolute time so handle it here
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if(abs_time == boost::posix_time::pos_infin){
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this->lock();
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return true;
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}
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timespec ts = ptime_to_timespec(abs_time);
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int res = pthread_mutex_timedlock(&m_mut, &ts);
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if (res != 0 && res != ETIMEDOUT)
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throw lock_exception();
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return res == 0;
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#else //BOOST_INTERPROCESS_POSIX_TIMEOUTS
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return ipcdetail::try_based_timed_lock(*this, abs_time);
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#endif //BOOST_INTERPROCESS_POSIX_TIMEOUTS
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}
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inline void posix_mutex::unlock()
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{
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int res = 0;
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res = pthread_mutex_unlock(&m_mut);
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(void)res;
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BOOST_ASSERT(res == 0);
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}
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} //namespace ipcdetail {
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} //namespace interprocess {
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} //namespace boost {
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#include <boost/interprocess/detail/config_end.hpp>
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#endif //#ifndef BOOST_INTERPROCESS_DETAIL_POSIX_MUTEX_HPP
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