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45 lines
1.3 KiB
45 lines
1.3 KiB
////////////////////////////////////////////////////////////////////////////// |
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// |
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// (C) Copyright Ion Gaztanaga 2006. 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/exceptions.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 barrier::barrier(unsigned int count) |
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{ |
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if (count == 0) |
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throw std::invalid_argument("count cannot be zero."); |
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ipcdetail::barrierattr_wrapper barrier_attr; |
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ipcdetail::barrier_initializer barrier |
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(m_barrier, barrier_attr, static_cast<int>(count)); |
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barrier.release(); |
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} |
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inline barrier::~barrier() |
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{ |
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int res = pthread_barrier_destroy(&m_barrier); |
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BOOST_ASSERT(res == 0);(void)res; |
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} |
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inline bool barrier::wait() |
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{ |
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int res = pthread_barrier_wait(&m_barrier); |
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if (res != PTHREAD_BARRIER_SERIAL_THREAD && res != 0){ |
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throw interprocess_exception(res); |
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} |
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return res == PTHREAD_BARRIER_SERIAL_THREAD; |
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} |
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} //namespace interprocess { |
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} //namespace boost {
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