Added thirdparty: boost library

thirdparty/include/boost/interprocess/sync/interprocess_recursive_mutex.hpp

@@ -0,0 +1,183 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2005-2012. 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/interprocess for documentation.
+//
+//////////////////////////////////////////////////////////////////////////////
+//
+// Parts of the pthread code come from Boost Threads code:
+//
+//////////////////////////////////////////////////////////////////////////////
+//
+// Copyright (C) 2001-2003
+// William E. Kempf
+//
+// Permission to use, copy, modify, distribute and sell this software
+// and its documentation for any purpose is hereby granted without fee,
+// provided that the above copyright notice appear in all copies and
+// that both that copyright notice and this permission notice appear
+// in supporting documentation.  William E. Kempf makes no representations
+// about the suitability of this software for any purpose.
+// It is provided "as is" without express or implied warranty.
+//////////////////////////////////////////////////////////////////////////////
+
+#ifndef BOOST_INTERPROCESS_RECURSIVE_MUTEX_HPP
+#define BOOST_INTERPROCESS_RECURSIVE_MUTEX_HPP
+
+#if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
+
+#ifndef BOOST_CONFIG_HPP
+#  include <boost/config.hpp>
+#endif
+#
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#  pragma once
+#endif
+
+#include <boost/interprocess/detail/config_begin.hpp>
+#include <boost/interprocess/detail/workaround.hpp>
+#include <boost/interprocess/sync/detail/common_algorithms.hpp>
+#include <boost/assert.hpp>
+
+#if   !defined(BOOST_INTERPROCESS_FORCE_GENERIC_EMULATION) && \
+       defined(BOOST_INTERPROCESS_POSIX_PROCESS_SHARED) && \
+       defined (BOOST_INTERPROCESS_POSIX_RECURSIVE_MUTEXES)
+   #include <boost/interprocess/sync/posix/recursive_mutex.hpp>
+   #define BOOST_INTERPROCESS_RECURSIVE_MUTEX_USE_POSIX
+#elif !defined(BOOST_INTERPROCESS_FORCE_GENERIC_EMULATION) && defined (BOOST_INTERPROCESS_WINDOWS)
+   //Experimental...
+   #include <boost/interprocess/sync/windows/recursive_mutex.hpp>
+   #define BOOST_INTERPROCESS_RECURSIVE_MUTEX_USE_WINAPI
+#else
+   //spin_recursive_mutex is used
+   #include <boost/interprocess/sync/spin/recursive_mutex.hpp>
+   namespace boost {
+   namespace interprocess {
+   namespace ipcdetail{
+   namespace robust_emulation_helpers {
+
+   template<class T>
+   class mutex_traits;
+
+   }}}}
+#endif
+
+#endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
+
+//!\file
+//!Describes interprocess_recursive_mutex and shared_recursive_try_mutex classes
+
+namespace boost {
+namespace interprocess {
+
+//!Wraps a interprocess_mutex that can be placed in shared memory and can be
+//!shared between processes. Allows several locking calls by the same
+//!process. Allows timed lock tries
+class interprocess_recursive_mutex
+{
+   #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
+   //Non-copyable
+   interprocess_recursive_mutex(const interprocess_recursive_mutex &);
+   interprocess_recursive_mutex &operator=(const interprocess_recursive_mutex &);
+   #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
+   public:
+   //!Constructor.
+   //!Throws interprocess_exception on error.
+   interprocess_recursive_mutex();
+
+   //!Destructor. If any process uses the mutex after the destructor is called
+   //!the result is undefined. Does not throw.
+  ~interprocess_recursive_mutex();
+
+   //!Effects: The calling thread tries to obtain ownership of the mutex, and
+   //!   if another thread has ownership of the mutex, it waits until it can
+   //!   obtain the ownership. If a thread takes ownership of the mutex the
+   //!   mutex must be unlocked by the same mutex. The mutex must be unlocked
+   //!   the same number of times it is locked.
+   //!Throws: interprocess_exception on error.
+   //! 
+   //!Note: A program shall not deadlock if the thread that has ownership calls 
+   //!   this function. 
+   void lock();
+
+   //!Tries to lock the interprocess_mutex, returns false when interprocess_mutex
+   //!is already locked, returns true when success. The mutex must be unlocked
+   //!the same number of times it is locked.
+   //!Throws: interprocess_exception if a severe error is found
+   //! 
+   //!Note: A program shall not deadlock if the thread that has ownership calls 
+   //!   this function. 
+   bool try_lock();
+
+   //!Tries to lock the interprocess_mutex, if interprocess_mutex can't be locked before
+   //!abs_time time, returns false. The mutex must be unlocked
+   //!   the same number of times it is locked.
+   //!Throws: interprocess_exception if a severe error is found
+   //! 
+   //!Note: A program shall not deadlock if the thread that has ownership calls 
+   //!   this function.
+   template<class TimePoint>
+   bool timed_lock(const TimePoint &abs_time);
+
+   //!Same as `timed_lock`, but this function is modeled after the
+   //!standard library interface.
+   template<class TimePoint> bool try_lock_until(const TimePoint &abs_time)
+   {  return this->timed_lock(abs_time);  }
+
+   //!Same as `timed_lock`, but this function is modeled after the
+   //!standard library interface.
+   template<class Duration>  bool try_lock_for(const Duration &dur)
+   {  return this->timed_lock(ipcdetail::duration_to_ustime(dur)); }
+
+   //!Effects: The calling thread releases the exclusive ownership of the mutex.
+   //!   If the mutex supports recursive locking, the mutex must be unlocked the
+   //!   same number of times it is locked.
+   //!Throws: interprocess_exception on error.
+   void unlock();
+   #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
+   private:
+
+   #if defined(BOOST_INTERPROCESS_RECURSIVE_MUTEX_USE_POSIX)
+      ipcdetail::posix_recursive_mutex mutex;
+   #elif defined(BOOST_INTERPROCESS_RECURSIVE_MUTEX_USE_WINAPI)
+      ipcdetail::winapi_recursive_mutex mutex;
+   #else
+      void take_ownership(){ mutex.take_ownership(); }
+      friend class ipcdetail::robust_emulation_helpers::mutex_traits<interprocess_recursive_mutex>;
+      ipcdetail::spin_recursive_mutex mutex;
+   #endif
+   #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
+};
+
+}  //namespace interprocess {
+}  //namespace boost {
+
+namespace boost {
+namespace interprocess {
+
+inline interprocess_recursive_mutex::interprocess_recursive_mutex(){}
+
+inline interprocess_recursive_mutex::~interprocess_recursive_mutex(){}
+
+inline void interprocess_recursive_mutex::lock()
+{  ipcdetail::timeout_when_locking_aware_lock(mutex);  }
+
+inline bool interprocess_recursive_mutex::try_lock()
+{ return mutex.try_lock(); }
+
+template<class TimePoint>
+inline bool interprocess_recursive_mutex::timed_lock(const TimePoint &abs_time)
+{ return mutex.timed_lock(abs_time); }
+
+inline void interprocess_recursive_mutex::unlock()
+{ mutex.unlock(); }
+
+}  //namespace interprocess {
+}  //namespace boost {
+
+#include <boost/interprocess/detail/config_end.hpp>
+
+#endif   //BOOST_INTERPROCESS_RECURSIVE_MUTEX_HPP