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diff --git a/boost/interprocess/sync/shm/named_semaphore.hpp b/boost/interprocess/sync/shm/named_semaphore.hpp
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+ //////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2005-2011. 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.
+//
+//////////////////////////////////////////////////////////////////////////////
+
+#ifndef BOOST_INTERPROCESS_SHM_NAMED_SEMAPHORE_HPP
+#define BOOST_INTERPROCESS_SHM_NAMED_SEMAPHORE_HPP
+
+#if (defined _MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif
+
+#include <boost/interprocess/detail/config_begin.hpp>
+#include <boost/interprocess/detail/workaround.hpp>
+#include <boost/interprocess/creation_tags.hpp>
+#include <boost/interprocess/exceptions.hpp>
+#include <boost/interprocess/permissions.hpp>
+#include <boost/interprocess/detail/interprocess_tester.hpp>
+#include <boost/interprocess/detail/posix_time_types_wrk.hpp>
+#include <boost/interprocess/shared_memory_object.hpp>
+#include <boost/interprocess/detail/managed_open_or_create_impl.hpp>
+#include <boost/interprocess/sync/interprocess_semaphore.hpp>
+#include <boost/interprocess/sync/shm/named_creation_functor.hpp>
+
+namespace boost {
+namespace interprocess {
+namespace ipcdetail {
+
+class shm_named_semaphore
+{
+ /// @cond
+
+ //Non-copyable
+ shm_named_semaphore();
+ shm_named_semaphore(const shm_named_semaphore &);
+ shm_named_semaphore &operator=(const shm_named_semaphore &);
+ /// @endcond
+
+ public:
+ shm_named_semaphore(create_only_t, const char *name, unsigned int initialCount, const permissions &perm = permissions());
+
+ shm_named_semaphore(open_or_create_t, const char *name, unsigned int initialCount, const permissions &perm = permissions());
+
+ shm_named_semaphore(open_only_t, const char *name);
+
+ ~shm_named_semaphore();
+
+ void post();
+ void wait();
+ bool try_wait();
+ bool timed_wait(const boost::posix_time::ptime &abs_time);
+
+ static bool remove(const char *name);
+
+ /// @cond
+ private:
+ friend class interprocess_tester;
+ void dont_close_on_destruction();
+
+ interprocess_semaphore *semaphore() const
+ { return static_cast<interprocess_semaphore*>(m_shmem.get_user_address()); }
+
+ managed_open_or_create_impl<shared_memory_object> m_shmem;
+ typedef named_creation_functor<interprocess_semaphore, int> construct_func_t;
+ /// @endcond
+};
+
+inline shm_named_semaphore::~shm_named_semaphore()
+{}
+
+inline void shm_named_semaphore::dont_close_on_destruction()
+{ interprocess_tester::dont_close_on_destruction(m_shmem); }
+
+inline shm_named_semaphore::shm_named_semaphore
+ (create_only_t, const char *name, unsigned int initialCount, const permissions &perm)
+ : m_shmem (create_only
+ ,name
+ ,sizeof(interprocess_semaphore) +
+ managed_open_or_create_impl<shared_memory_object>::
+ ManagedOpenOrCreateUserOffset
+ ,read_write
+ ,0
+ ,construct_func_t(DoCreate, initialCount)
+ ,perm)
+{}
+
+inline shm_named_semaphore::shm_named_semaphore
+ (open_or_create_t, const char *name, unsigned int initialCount, const permissions &perm)
+ : m_shmem (open_or_create
+ ,name
+ ,sizeof(interprocess_semaphore) +
+ managed_open_or_create_impl<shared_memory_object>::
+ ManagedOpenOrCreateUserOffset
+ ,read_write
+ ,0
+ ,construct_func_t(DoOpenOrCreate, initialCount)
+ ,perm)
+{}
+
+inline shm_named_semaphore::shm_named_semaphore
+ (open_only_t, const char *name)
+ : m_shmem (open_only
+ ,name
+ ,read_write
+ ,0
+ ,construct_func_t(DoOpen, 0))
+{}
+
+inline void shm_named_semaphore::post()
+{ semaphore()->post(); }
+
+inline void shm_named_semaphore::wait()
+{ semaphore()->wait(); }
+
+inline bool shm_named_semaphore::try_wait()
+{ return semaphore()->try_wait(); }
+
+inline bool shm_named_semaphore::timed_wait(const boost::posix_time::ptime &abs_time)
+{
+ if(abs_time == boost::posix_time::pos_infin){
+ this->wait();
+ return true;
+ }
+ return semaphore()->timed_wait(abs_time);
+}
+
+inline bool shm_named_semaphore::remove(const char *name)
+{ return shared_memory_object::remove(name); }
+
+} //namespace ipcdetail {
+} //namespace interprocess {
+} //namespace boost {
+
+#include <boost/interprocess/detail/config_end.hpp>
+
+#endif //BOOST_INTERPROCESS_SHM_NAMED_SEMAPHORE_HPP