63e88f80
 Hu Chunming
提交三方库
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// Copyright Oliver Kowalke 2013.
// 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)
#ifndef BOOST_FIBERS_BARRIER_H
#define BOOST_FIBERS_BARRIER_H
#include <cstddef>
#include <boost/config.hpp>
#include <boost/fiber/condition_variable.hpp>
#include <boost/fiber/detail/config.hpp>
#include <boost/fiber/mutex.hpp>
#ifdef BOOST_HAS_ABI_HEADERS
# include BOOST_ABI_PREFIX
#endif
namespace boost {
namespace fibers {
class BOOST_FIBERS_DECL barrier {
private:
std::size_t initial_;
std::size_t current_;
std::size_t cycle_{ 0 };
mutex mtx_{};
condition_variable cond_{};
public:
explicit barrier( std::size_t);
barrier( barrier const&) = delete;
barrier & operator=( barrier const&) = delete;
bool wait();
};
}}
#ifdef BOOST_HAS_ABI_HEADERS
# include BOOST_ABI_SUFFIX
#endif
#endif // BOOST_FIBERS_BARRIER_H
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