| ////////////////////////////////////////////////////////////////////////////// |
| // |
| // (C) Copyright Ion Gaztanaga 2005-2009. 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/sync/posix/ptime_to_timespec.hpp> |
| #include <boost/interprocess/detail/posix_time_types_wrk.hpp> |
| #include <boost/assert.hpp> |
| |
| namespace boost { |
| |
| namespace interprocess { |
| |
| inline interprocess_condition::interprocess_condition() |
| { |
| int res; |
| pthread_condattr_t cond_attr; |
| res = pthread_condattr_init(&cond_attr); |
| if(res != 0){ |
| throw interprocess_exception("pthread_condattr_init failed"); |
| } |
| res = pthread_condattr_setpshared(&cond_attr, PTHREAD_PROCESS_SHARED); |
| if(res != 0){ |
| pthread_condattr_destroy(&cond_attr); |
| throw interprocess_exception(res); |
| } |
| res = pthread_cond_init(&m_condition, &cond_attr); |
| pthread_condattr_destroy(&cond_attr); |
| if(res != 0){ |
| throw interprocess_exception(res); |
| } |
| } |
| |
| inline interprocess_condition::~interprocess_condition() |
| { |
| int res = 0; |
| res = pthread_cond_destroy(&m_condition); |
| BOOST_ASSERT(res == 0); |
| } |
| |
| inline void interprocess_condition::notify_one() |
| { |
| int res = 0; |
| res = pthread_cond_signal(&m_condition); |
| BOOST_ASSERT(res == 0); |
| } |
| |
| inline void interprocess_condition::notify_all() |
| { |
| int res = 0; |
| res = pthread_cond_broadcast(&m_condition); |
| BOOST_ASSERT(res == 0); |
| } |
| |
| inline void interprocess_condition::do_wait(interprocess_mutex &mut) |
| { |
| pthread_mutex_t* pmutex = &mut.m_mut; |
| int res = 0; |
| res = pthread_cond_wait(&m_condition, pmutex); |
| BOOST_ASSERT(res == 0); |
| } |
| |
| inline bool interprocess_condition::do_timed_wait |
| (const boost::posix_time::ptime &abs_time, interprocess_mutex &mut) |
| { |
| timespec ts = detail::ptime_to_timespec(abs_time); |
| pthread_mutex_t* pmutex = &mut.m_mut; |
| int res = 0; |
| res = pthread_cond_timedwait(&m_condition, pmutex, &ts); |
| BOOST_ASSERT(res == 0 || res == ETIMEDOUT); |
| |
| return res != ETIMEDOUT; |
| } |
| |
| } //namespace interprocess |
| |
| } // namespace boost |