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//////////////////////////////////////////////////////////////////////////////
//
// (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
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