83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2005-2009. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/interprocess for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#include <boost/interprocess/sync/posix/ptime_to_timespec.hpp>
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#include <boost/interprocess/detail/posix_time_types_wrk.hpp>
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#include <boost/assert.hpp>
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namespace boost {
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namespace interprocess {
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inline interprocess_condition::interprocess_condition()
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{
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int res;
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pthread_condattr_t cond_attr;
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res = pthread_condattr_init(&cond_attr);
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if(res != 0){
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throw interprocess_exception("pthread_condattr_init failed");
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}
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res = pthread_condattr_setpshared(&cond_attr, PTHREAD_PROCESS_SHARED);
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if(res != 0){
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pthread_condattr_destroy(&cond_attr);
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throw interprocess_exception(res);
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}
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res = pthread_cond_init(&m_condition, &cond_attr);
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pthread_condattr_destroy(&cond_attr);
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if(res != 0){
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throw interprocess_exception(res);
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}
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}
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inline interprocess_condition::~interprocess_condition()
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{
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int res = 0;
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res = pthread_cond_destroy(&m_condition);
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BOOST_ASSERT(res == 0);
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}
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inline void interprocess_condition::notify_one()
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{
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int res = 0;
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res = pthread_cond_signal(&m_condition);
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BOOST_ASSERT(res == 0);
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}
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inline void interprocess_condition::notify_all()
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{
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int res = 0;
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res = pthread_cond_broadcast(&m_condition);
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BOOST_ASSERT(res == 0);
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}
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inline void interprocess_condition::do_wait(interprocess_mutex &mut)
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{
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pthread_mutex_t* pmutex = &mut.m_mut;
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int res = 0;
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res = pthread_cond_wait(&m_condition, pmutex);
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BOOST_ASSERT(res == 0);
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}
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inline bool interprocess_condition::do_timed_wait
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(const boost::posix_time::ptime &abs_time, interprocess_mutex &mut)
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{
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timespec ts = ipcdetail::ptime_to_timespec(abs_time);
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pthread_mutex_t* pmutex = &mut.m_mut;
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int res = 0;
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res = pthread_cond_timedwait(&m_condition, pmutex, &ts);
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BOOST_ASSERT(res == 0 || res == ETIMEDOUT);
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return res != ETIMEDOUT;
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}
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} //namespace interprocess
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} // namespace boost
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