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82 lines
2.2 KiB
82 lines
2.2 KiB
////////////////////////////////////////////////////////////////////////////// |
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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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