blob: fd1d48fa1d3391338e2e9378168ff27b2501d20c [file] [log] [blame]
//////////////////////////////////////////////////////////////////////////////
//
// (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<boost/interprocess/exceptions.hpp>
#include <boost/interprocess/detail/posix_time_types_wrk.hpp>
#include <boost/assert.hpp>
namespace boost {
namespace interprocess {
inline barrier::barrier(unsigned int count)
{
if (count == 0)
throw std::invalid_argument("count cannot be zero.");
detail::barrierattr_wrapper barrier_attr;
detail::barrier_initializer barrier
(m_barrier, barrier_attr, static_cast<int>(count));
barrier.release();
}
inline barrier::~barrier()
{
int res = pthread_barrier_destroy(&m_barrier);
BOOST_ASSERT(res == 0);(void)res;
}
inline bool barrier::wait()
{
int res = pthread_barrier_wait(&m_barrier);
if (res != PTHREAD_BARRIER_SERIAL_THREAD && res != 0){
throw interprocess_exception(res);
}
return res == PTHREAD_BARRIER_SERIAL_THREAD;
}
} //namespace interprocess {
} //namespace boost {