1 files changed, 163 insertions, 0 deletions
diff --git a/boost/interprocess/sync/named_mutex.hpp b/boost/interprocess/sync/named_mutex.hpp
new file mode 100644
index 0000000000..3e56b81794
--- /dev/null
+++ b/boost/interprocess/sync/named_mutex.hpp
@@ -0,0 +1,163 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (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_NAMED_MUTEX_HPP
+#define BOOST_INTERPROCESS_NAMED_MUTEX_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/detail/interprocess_tester.hpp>
+#include <boost/interprocess/detail/posix_time_types_wrk.hpp>
+#include <boost/interprocess/permissions.hpp>
+
+#if defined(BOOST_INTERPROCESS_NAMED_MUTEX_USES_POSIX_SEMAPHORES)
+#include <boost/interprocess/sync/posix/named_mutex.hpp>
+#else
+#include <boost/interprocess/sync/shm/named_mutex.hpp>
+#endif
+
+//!\file
+//!Describes a named mutex class for inter-process synchronization
+
+namespace boost {
+namespace interprocess {
+
+class named_condition;
+
+//!A mutex with a global name, so it can be found from different 
+//!processes. This mutex can't be placed in shared memory, and
+//!each process should have it's own named_mutex.
+class named_mutex
+{
+   /// @cond
+
+   //Non-copyable
+   named_mutex();
+   named_mutex(const named_mutex &);
+   named_mutex &operator=(const named_mutex &);
+   friend class named_condition;
+   /// @endcond
+
+   public:
+   //!Creates a global interprocess_mutex with a name.
+   //!Throws interprocess_exception on error.
+   named_mutex(create_only_t create_only, const char *name, const permissions &perm = permissions());
+
+   //!Opens or creates a global mutex with a name. 
+   //!If the mutex is created, this call is equivalent to
+   //!named_mutex(create_only_t, ... )
+   //!If the mutex is already created, this call is equivalent
+   //!named_mutex(open_only_t, ... )
+   //!Does not throw
+   named_mutex(open_or_create_t open_or_create, const char *name, const permissions &perm = permissions());
+
+   //!Opens a global mutex with a name if that mutex is previously
+   //!created. If it is not previously created this function throws
+   //!interprocess_exception.
+   named_mutex(open_only_t open_only, const char *name);
+
+   //!Destroys *this and indicates that the calling process is finished using
+   //!the resource. The destructor function will deallocate
+   //!any system resources allocated by the system for use by this process for
+   //!this resource. The resource can still be opened again calling
+   //!the open constructor overload. To erase the resource from the system
+   //!use remove().
+   ~named_mutex();
+
+   //!Unlocks a previously locked
+   //!interprocess_mutex.
+   void unlock();
+
+   //!Locks interprocess_mutex, sleeps when interprocess_mutex is already locked.
+   //!Throws interprocess_exception if a severe error is found
+   void lock();
+
+   //!Tries to lock the interprocess_mutex, returns false when interprocess_mutex 
+   //!is already locked, returns true when success.
+   //!Throws interprocess_exception if a severe error is found
+   bool try_lock();
+
+   //!Tries to lock the interprocess_mutex until time abs_time,
+   //!Returns false when timeout expires, returns true when locks.
+   //!Throws interprocess_exception if a severe error is found
+   bool timed_lock(const boost::posix_time::ptime &abs_time);
+
+   //!Erases a named mutex from the system.
+   //!Returns false on error. Never throws.
+   static bool remove(const char *name);
+
+   /// @cond
+   private:
+   friend class ipcdetail::interprocess_tester;
+   void dont_close_on_destruction();
+
+   #if defined(BOOST_INTERPROCESS_NAMED_MUTEX_USES_POSIX_SEMAPHORES)
+   typedef ipcdetail::posix_named_mutex   impl_t;
+   impl_t m_mut;
+   #else
+   typedef ipcdetail::shm_named_mutex     impl_t;
+   impl_t m_mut;
+   public:
+   interprocess_mutex *mutex() const
+   {  return m_mut.mutex(); }
+   #endif
+
+   /// @endcond
+};
+
+/// @cond
+
+inline named_mutex::named_mutex(create_only_t, const char *name, const permissions &perm)
+   :  m_mut(create_only_t(), name, perm)
+{}
+
+inline named_mutex::named_mutex(open_or_create_t, const char *name, const permissions &perm)
+   :  m_mut(open_or_create_t(), name, perm)
+{}
+
+inline named_mutex::named_mutex(open_only_t, const char *name)
+   :  m_mut(open_only_t(), name)
+{}
+
+inline void named_mutex::dont_close_on_destruction()
+{  ipcdetail::interprocess_tester::dont_close_on_destruction(m_mut); }
+
+inline named_mutex::~named_mutex()
+{}
+
+inline void named_mutex::lock()
+{  m_mut.lock();  }
+
+inline void named_mutex::unlock()
+{  m_mut.unlock();  }
+
+inline bool named_mutex::try_lock()
+{  return m_mut.try_lock();  }
+
+inline bool named_mutex::timed_lock(const boost::posix_time::ptime &abs_time)
+{  return m_mut.timed_lock(abs_time);  }
+
+inline bool named_mutex::remove(const char *name)
+{  return impl_t::remove(name);   }
+
+/// @endcond
+
+}  //namespace interprocess {
+}  //namespace boost {
+
+#include <boost/interprocess/detail/config_end.hpp>
+
+#endif   //BOOST_INTERPROCESS_NAMED_MUTEX_HPP