93 lines
2.4 KiB
C++
93 lines
2.4 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)
|
|
//
|
|
// based on boost::interprocess::sync::interprocess_spinlock
|
|
|
|
#ifndef BOOST_FIBERS_RECURSIVE_TIMED_MUTEX_H
|
|
#define BOOST_FIBERS_RECURSIVE_TIMED_MUTEX_H
|
|
|
|
#include <chrono>
|
|
#include <cstddef>
|
|
|
|
#include <boost/config.hpp>
|
|
|
|
#include <boost/assert.hpp>
|
|
|
|
#include <boost/fiber/context.hpp>
|
|
#include <boost/fiber/detail/config.hpp>
|
|
#include <boost/fiber/detail/convert.hpp>
|
|
#include <boost/fiber/detail/spinlock.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 {
|
|
|
|
class condition_variable;
|
|
|
|
class BOOST_FIBERS_DECL recursive_timed_mutex {
|
|
private:
|
|
friend class condition_variable;
|
|
|
|
typedef context::wait_queue_t wait_queue_t;
|
|
|
|
context * owner_{ nullptr };
|
|
std::size_t count_{ 0 };
|
|
wait_queue_t wait_queue_{};
|
|
detail::spinlock wait_queue_splk_{};
|
|
|
|
bool try_lock_until_( std::chrono::steady_clock::time_point const& timeout_time) noexcept;
|
|
|
|
public:
|
|
recursive_timed_mutex() = default;
|
|
|
|
~recursive_timed_mutex() {
|
|
BOOST_ASSERT( nullptr == owner_);
|
|
BOOST_ASSERT( 0 == count_);
|
|
BOOST_ASSERT( wait_queue_.empty() );
|
|
}
|
|
|
|
recursive_timed_mutex( recursive_timed_mutex const&) = delete;
|
|
recursive_timed_mutex & operator=( recursive_timed_mutex const&) = delete;
|
|
|
|
void lock();
|
|
|
|
bool try_lock() noexcept;
|
|
|
|
template< typename Clock, typename Duration >
|
|
bool try_lock_until( std::chrono::time_point< Clock, Duration > const& timeout_time_) {
|
|
std::chrono::steady_clock::time_point timeout_time(
|
|
detail::convert( timeout_time_) );
|
|
return try_lock_until_( timeout_time);
|
|
}
|
|
|
|
template< typename Rep, typename Period >
|
|
bool try_lock_for( std::chrono::duration< Rep, Period > const& timeout_duration) {
|
|
return try_lock_until_( std::chrono::steady_clock::now() + timeout_duration);
|
|
}
|
|
|
|
void unlock();
|
|
};
|
|
|
|
}}
|
|
|
|
#ifdef _MSC_VER
|
|
# pragma warning(pop)
|
|
#endif
|
|
|
|
#ifdef BOOST_HAS_ABI_HEADERS
|
|
# include BOOST_ABI_SUFFIX
|
|
#endif
|
|
|
|
#endif // BOOST_FIBERS_RECURSIVE_TIMED_MUTEX_H
|