FM / spin

/usr/include/boost/interprocess/sync/spin/

/usr/include/boost/interprocess/sync/spin

Name	Size	Mode	Actions
condition.hpp	9757	0644	edit dl rm
interprocess_barrier.hpp	1341	0644	edit dl rm
mutex.hpp	2751	0644	edit dl rm
recursive_mutex.hpp	5992	0644	edit dl rm
semaphore.hpp	2581	0644	edit dl rm
wait.hpp	5037	0644	edit dl rm

Edit: /usr/include/boost/interprocess/sync/spin/interprocess_barrier.hpp (1341B)

#include<boost/interprocess/exceptions.hpp>
#include <boost/interprocess/detail/posix_time_types_wrk.hpp>
#include <boost/interprocess/sync/scoped_lock.hpp>

#ifndef BOOST_CONFIG_HPP
#  include <boost/config.hpp>
#endif
#
#if defined(BOOST_HAS_PRAGMA_ONCE)
#  pragma once
#endif

namespace boost {
namespace interprocess {

inline barrier::barrier(unsigned int count)
   : m_threshold(count), m_count(count), m_generation(0)
{
   if (count == 0)
      throw std::invalid_argument("count cannot be zero.");
}

inline barrier::~barrier(){}

inline bool barrier::wait()
{
   scoped_lock<interprocess_mutex> lock(m_mutex);
   unsigned int gen = m_generation;

if (--m_count == 0){
      m_generation++;
      m_count = m_threshold;
      m_cond.notify_all();
      return true;
   }

while (gen == m_generation){
      m_cond.wait(lock);
   }
   return false;
}

}  //namespace interprocess {
}  //namespace boost {

////////////////////////////////////////////////////////////////////////////// // // (C) Copyright Ion Gaztanaga 2006. 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. // ////////////////////////////////////////////////////////////////////////////// #include #include #include #ifndef BOOST_CONFIG_HPP # include #endif # #if defined(BOOST_HAS_PRAGMA_ONCE) # pragma once #endif namespace boost { namespace interprocess { inline barrier::barrier(unsigned int count) : m_threshold(count), m_count(count), m_generation(0) { if (count == 0) throw std::invalid_argument("count cannot be zero."); } inline barrier::~barrier(){} inline bool barrier::wait() { scoped_lock lock(m_mutex); unsigned int gen = m_generation; if (--m_count == 0){ m_generation++; m_count = m_threshold; m_cond.notify_all(); return true; } while (gen == m_generation){ m_cond.wait(lock); } return false; } } //namespace interprocess { } //namespace boost {