Chris@16: //////////////////////////////////////////////////////////////////////////////
Chris@16: //
Chris@16: // (C) Copyright Ion Gaztanaga 2005-2012. Distributed under the Boost
Chris@16: // Software License, Version 1.0. (See accompanying file
Chris@16: // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // See http://www.boost.org/libs/interprocess for documentation.
Chris@16: //
Chris@16: //////////////////////////////////////////////////////////////////////////////
Chris@16: 
Chris@16: #ifndef BOOST_INTERPROCESS_POSIX_SEMAPHORE_HPP
Chris@16: #define BOOST_INTERPROCESS_POSIX_SEMAPHORE_HPP
Chris@16: 
Chris@101: #ifndef BOOST_CONFIG_HPP
Chris@101: #  include <boost/config.hpp>
Chris@101: #endif
Chris@101: #
Chris@101: #if defined(BOOST_HAS_PRAGMA_ONCE)
Chris@16: #  pragma once
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/interprocess/detail/config_begin.hpp>
Chris@16: #include <boost/interprocess/detail/workaround.hpp>
Chris@16: 
Chris@16: #include <boost/interprocess/detail/posix_time_types_wrk.hpp>
Chris@16: #include <boost/interprocess/sync/posix/semaphore_wrapper.hpp>
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace interprocess {
Chris@16: namespace ipcdetail {
Chris@16: 
Chris@16: class posix_semaphore
Chris@16: {
Chris@16:    posix_semaphore();
Chris@16:    posix_semaphore(const posix_semaphore&);
Chris@16:    posix_semaphore &operator= (const posix_semaphore &);
Chris@16: 
Chris@16:    public:
Chris@16:    posix_semaphore(unsigned int initialCount)
Chris@16:    {  semaphore_init(&m_sem, initialCount);  }
Chris@16: 
Chris@16:    ~posix_semaphore()
Chris@16:    {  semaphore_destroy(&m_sem);  }
Chris@16: 
Chris@16:    void post()
Chris@16:    {  semaphore_post(&m_sem); }
Chris@16: 
Chris@16:    void wait()
Chris@16:    {  semaphore_wait(&m_sem); }
Chris@16: 
Chris@16:    bool try_wait()
Chris@16:    {  return semaphore_try_wait(&m_sem); }
Chris@16: 
Chris@16:    bool timed_wait(const boost::posix_time::ptime &abs_time)
Chris@16:    {  return semaphore_timed_wait(&m_sem, abs_time); }
Chris@16: 
Chris@16:    private:
Chris@16:    sem_t       m_sem;
Chris@16: };
Chris@16: 
Chris@16: }  //namespace ipcdetail {
Chris@16: }  //namespace interprocess {
Chris@16: }  //namespace boost {
Chris@16: 
Chris@16: #include <boost/interprocess/detail/config_end.hpp>
Chris@16: 
Chris@16: #endif   //#ifndef BOOST_INTERPROCESS_POSIX_SEMAPHORE_HPP