70 lines
1.6 KiB
C++
70 lines
1.6 KiB
C++
// 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_ALGO_ROUND_ROBIN_H
|
|
#define BOOST_FIBERS_ALGO_ROUND_ROBIN_H
|
|
|
|
#include <condition_variable>
|
|
#include <chrono>
|
|
#include <mutex>
|
|
|
|
#include <boost/config.hpp>
|
|
|
|
#include <boost/fiber/algo/algorithm.hpp>
|
|
#include <boost/fiber/context.hpp>
|
|
#include <boost/fiber/detail/config.hpp>
|
|
#include <boost/fiber/scheduler.hpp>
|
|
|
|
#ifdef BOOST_HAS_ABI_HEADERS
|
|
# include BOOST_ABI_PREFIX
|
|
#endif
|
|
|
|
#ifdef _MSC_VER
|
|
# pragma warning(push)
|
|
# pragma warning(disable:4251)
|
|
#endif
|
|
|
|
namespace boost {
|
|
namespace fibers {
|
|
namespace algo {
|
|
|
|
class BOOST_FIBERS_DECL round_robin : public algorithm {
|
|
private:
|
|
typedef scheduler::ready_queue_t rqueue_t;
|
|
|
|
rqueue_t rqueue_{};
|
|
std::mutex mtx_{};
|
|
std::condition_variable cnd_{};
|
|
bool flag_{ false };
|
|
|
|
public:
|
|
round_robin() = default;
|
|
|
|
round_robin( round_robin const&) = delete;
|
|
round_robin & operator=( round_robin const&) = delete;
|
|
|
|
virtual void awakened( context *) noexcept;
|
|
|
|
virtual context * pick_next() noexcept;
|
|
|
|
virtual bool has_ready_fibers() const noexcept;
|
|
|
|
virtual void suspend_until( std::chrono::steady_clock::time_point const&) noexcept;
|
|
|
|
virtual void notify() noexcept;
|
|
};
|
|
|
|
}}}
|
|
|
|
#ifdef _MSC_VER
|
|
# pragma warning(pop)
|
|
#endif
|
|
|
|
#ifdef BOOST_HAS_ABI_HEADERS
|
|
# include BOOST_ABI_SUFFIX
|
|
#endif
|
|
|
|
#endif // BOOST_FIBERS_ALGO_ROUND_ROBIN_H
|