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

depends/x86_64-pc-linux-gnu/include/boost/log/detail/event.hpp

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+/*
+ *          Copyright Andrey Semashev 2007 - 2015.
+ * 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   detail/event.hpp
+ * \author Andrey Semashev
+ * \date   24.07.2011
+ */
+
+#ifndef BOOST_LOG_DETAIL_EVENT_HPP_INCLUDED_
+#define BOOST_LOG_DETAIL_EVENT_HPP_INCLUDED_
+
+#include <boost/log/detail/config.hpp>
+
+#ifdef BOOST_HAS_PRAGMA_ONCE
+#pragma once
+#endif
+
+#ifndef BOOST_LOG_NO_THREADS
+
+#if defined(BOOST_THREAD_PLATFORM_PTHREAD)
+#   include <boost/atomic/capabilities.hpp>
+#   if (defined(linux) || defined(__linux) || defined(__linux__)) && BOOST_ATOMIC_INT_LOCK_FREE == 2
+#       include <boost/atomic/atomic.hpp>
+#       define BOOST_LOG_EVENT_USE_FUTEX
+#   elif defined(_POSIX_SEMAPHORES) && (_POSIX_SEMAPHORES + 0) > 0 && BOOST_ATOMIC_FLAG_LOCK_FREE == 2
+#       include <semaphore.h>
+#       include <boost/cstdint.hpp>
+#       include <boost/atomic/atomic_flag.hpp>
+#       define BOOST_LOG_EVENT_USE_POSIX_SEMAPHORE
+#   endif
+#elif defined(BOOST_THREAD_PLATFORM_WIN32)
+#   include <boost/cstdint.hpp>
+#   define BOOST_LOG_EVENT_USE_WINAPI
+#endif
+
+#if !defined(BOOST_LOG_EVENT_USE_POSIX_SEMAPHORE) && !defined(BOOST_LOG_EVENT_USE_WINAPI)
+#   include <boost/thread/mutex.hpp>
+#   include <boost/thread/condition_variable.hpp>
+#   define BOOST_LOG_EVENT_USE_BOOST_CONDITION
+#endif
+
+#include <boost/log/detail/header.hpp>
+
+namespace boost {
+
+BOOST_LOG_OPEN_NAMESPACE
+
+namespace aux {
+
+#if defined(BOOST_LOG_EVENT_USE_FUTEX)
+
+class futex_based_event
+{
+private:
+    boost::atomic< int > m_state;
+
+public:
+    //! Default constructor
+    BOOST_LOG_API futex_based_event();
+    //! Destructor
+    BOOST_LOG_API ~futex_based_event();
+
+    //! Waits for the object to become signalled
+    BOOST_LOG_API void wait();
+    //! Sets the object to a signalled state
+    BOOST_LOG_API void set_signalled();
+
+    //  Copying prohibited
+    BOOST_DELETED_FUNCTION(futex_based_event(futex_based_event const&))
+    BOOST_DELETED_FUNCTION(futex_based_event& operator= (futex_based_event const&))
+};
+
+typedef futex_based_event event;
+
+#elif defined(BOOST_LOG_EVENT_USE_POSIX_SEMAPHORE)
+
+class sem_based_event
+{
+private:
+    boost::atomic_flag m_state;
+    sem_t m_semaphore;
+
+public:
+    //! Default constructor
+    BOOST_LOG_API sem_based_event();
+    //! Destructor
+    BOOST_LOG_API ~sem_based_event();
+
+    //! Waits for the object to become signalled
+    BOOST_LOG_API void wait();
+    //! Sets the object to a signalled state
+    BOOST_LOG_API void set_signalled();
+
+    //  Copying prohibited
+    BOOST_DELETED_FUNCTION(sem_based_event(sem_based_event const&))
+    BOOST_DELETED_FUNCTION(sem_based_event& operator= (sem_based_event const&))
+};
+
+typedef sem_based_event event;
+
+#elif defined(BOOST_LOG_EVENT_USE_WINAPI)
+
+class winapi_based_event
+{
+private:
+    boost::uint32_t m_state;
+    void* m_event;
+
+public:
+    //! Default constructor
+    BOOST_LOG_API winapi_based_event();
+    //! Destructor
+    BOOST_LOG_API ~winapi_based_event();
+
+    //! Waits for the object to become signalled
+    BOOST_LOG_API void wait();
+    //! Sets the object to a signalled state
+    BOOST_LOG_API void set_signalled();
+
+    //  Copying prohibited
+    BOOST_DELETED_FUNCTION(winapi_based_event(winapi_based_event const&))
+    BOOST_DELETED_FUNCTION(winapi_based_event& operator= (winapi_based_event const&))
+};
+
+typedef winapi_based_event event;
+
+#else
+
+class generic_event
+{
+private:
+    boost::mutex m_mutex;
+    boost::condition_variable m_cond;
+    bool m_state;
+
+public:
+    //! Default constructor
+    BOOST_LOG_API generic_event();
+    //! Destructor
+    BOOST_LOG_API ~generic_event();
+
+    //! Waits for the object to become signalled
+    BOOST_LOG_API void wait();
+    //! Sets the object to a signalled state
+    BOOST_LOG_API void set_signalled();
+
+    //  Copying prohibited
+    BOOST_DELETED_FUNCTION(generic_event(generic_event const&))
+    BOOST_DELETED_FUNCTION(generic_event& operator= (generic_event const&))
+};
+
+typedef generic_event event;
+
+#endif
+
+} // namespace aux
+
+BOOST_LOG_CLOSE_NAMESPACE // namespace log
+
+} // namespace boost
+
+#include <boost/log/detail/footer.hpp>
+
+#endif // BOOST_LOG_NO_THREADS
+
+#endif // BOOST_LOG_DETAIL_EVENT_HPP_INCLUDED_