boost/fiber/barrier.hpp

//          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_;
	bool                cycle_{ true };
	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