Added boost header
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100
test/external/boost/asio/detail/posix_event.hpp
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test/external/boost/asio/detail/posix_event.hpp
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//
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// detail/posix_event.hpp
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// ~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2011 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef BOOST_ASIO_DETAIL_POSIX_EVENT_HPP
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#define BOOST_ASIO_DETAIL_POSIX_EVENT_HPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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#include <boost/asio/detail/config.hpp>
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#if defined(BOOST_HAS_PTHREADS) && !defined(BOOST_ASIO_DISABLE_THREADS)
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#include <boost/assert.hpp>
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#include <pthread.h>
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#include <boost/asio/detail/noncopyable.hpp>
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#include <boost/asio/detail/push_options.hpp>
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namespace boost {
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namespace asio {
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namespace detail {
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class posix_event
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: private noncopyable
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{
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public:
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// Constructor.
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BOOST_ASIO_DECL posix_event();
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// Destructor.
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~posix_event()
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{
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::pthread_cond_destroy(&cond_);
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}
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// Signal the event.
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template <typename Lock>
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void signal(Lock& lock)
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{
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BOOST_ASSERT(lock.locked());
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(void)lock;
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signalled_ = true;
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::pthread_cond_signal(&cond_); // Ignore EINVAL.
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}
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// Signal the event and unlock the mutex.
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template <typename Lock>
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void signal_and_unlock(Lock& lock)
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{
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BOOST_ASSERT(lock.locked());
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signalled_ = true;
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lock.unlock();
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::pthread_cond_signal(&cond_); // Ignore EINVAL.
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}
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// Reset the event.
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template <typename Lock>
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void clear(Lock& lock)
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{
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BOOST_ASSERT(lock.locked());
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(void)lock;
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signalled_ = false;
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}
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// Wait for the event to become signalled.
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template <typename Lock>
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void wait(Lock& lock)
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{
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BOOST_ASSERT(lock.locked());
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while (!signalled_)
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::pthread_cond_wait(&cond_, &lock.mutex().mutex_); // Ignore EINVAL.
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}
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private:
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::pthread_cond_t cond_;
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bool signalled_;
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};
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} // namespace detail
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} // namespace asio
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} // namespace boost
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#include <boost/asio/detail/pop_options.hpp>
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#if defined(BOOST_ASIO_HEADER_ONLY)
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# include <boost/asio/detail/impl/posix_event.ipp>
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#endif // defined(BOOST_ASIO_HEADER_ONLY)
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#endif // defined(BOOST_HAS_PTHREADS) && !defined(BOOST_ASIO_DISABLE_THREADS)
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#endif // BOOST_ASIO_DETAIL_POSIX_EVENT_HPP
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