boost/interprocess/sync/posix/named_mutex.hpp

//////////////////////////////////////////////////////////////////////////////
//
// (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.
//
//////////////////////////////////////////////////////////////////////////////
#ifndef BOOST_INTERPROCESS_POSIX_NAMED_MUTEX_HPP
#define BOOST_INTERPROCESS_POSIX_NAMED_MUTEX_HPP
#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/creation_tags.hpp>
#include <boost/interprocess/exceptions.hpp>
#include <boost/interprocess/detail/interprocess_tester.hpp>
#include <boost/interprocess/permissions.hpp>
#include <boost/interprocess/sync/posix/named_semaphore.hpp>
namespace boost {
namespace interprocess {
namespace ipcdetail {
class named_condition;
class posix_named_mutex
{
   #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
   posix_named_mutex();
   posix_named_mutex(const posix_named_mutex &);
   posix_named_mutex &operator=(const posix_named_mutex &);
   friend class named_condition;
   #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
   public:
   posix_named_mutex(create_only_t create_only, const char *name, const permissions &perm = permissions());
   posix_named_mutex(open_or_create_t open_or_create, const char *name, const permissions &perm = permissions());
   posix_named_mutex(open_only_t open_only, const char *name);
   ~posix_named_mutex();
   void unlock();
   void lock();
   bool try_lock();
   bool timed_lock(const boost::posix_time::ptime &abs_time);
   static bool remove(const char *name);
   #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
   private:
   friend class interprocess_tester;
   void dont_close_on_destruction();
   posix_named_semaphore m_sem;
   #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
};
#if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
inline posix_named_mutex::posix_named_mutex(create_only_t, const char *name, const permissions &perm)
   :  m_sem(create_only, name, 1, perm)
{}
inline posix_named_mutex::posix_named_mutex(open_or_create_t, const char *name, const permissions &perm)
   :  m_sem(open_or_create, name, 1, perm)
{}
inline posix_named_mutex::posix_named_mutex(open_only_t, const char *name)
   :  m_sem(open_only, name)
{}
inline void posix_named_mutex::dont_close_on_destruction()
{  interprocess_tester::dont_close_on_destruction(m_sem);  }
inline posix_named_mutex::~posix_named_mutex()
{}
inline void posix_named_mutex::lock()
{  m_sem.wait();  }
inline void posix_named_mutex::unlock()
{  m_sem.post();  }
inline bool posix_named_mutex::try_lock()
{  return m_sem.try_wait();  }
inline bool posix_named_mutex::timed_lock(const boost::posix_time::ptime &abs_time)
{  return m_sem.timed_wait(abs_time);  }
inline bool posix_named_mutex::remove(const char *name)
{  return posix_named_semaphore::remove(name);   }
#endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
}  //namespace ipcdetail {
}  //namespace interprocess {
}  //namespace boost {
#include <boost/interprocess/detail/config_end.hpp>
#endif   //BOOST_INTERPROCESS_POSIX_NAMED_MUTEX_HPP