ecency-mobile/ios/Pods/boost-for-react-native/boost/atomic/detail/lockpool.hpp

52 lines
1.3 KiB
C++

/*
* 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)
*
* Copyright (c) 2011 Helge Bahmann
* Copyright (c) 2013-2014 Andrey Semashev
*/
/*!
* \file atomic/detail/lockpool.hpp
*
* This header contains declaration of the lockpool used to emulate atomic ops.
*/
#ifndef BOOST_ATOMIC_DETAIL_LOCKPOOL_HPP_INCLUDED_
#define BOOST_ATOMIC_DETAIL_LOCKPOOL_HPP_INCLUDED_
#include <boost/atomic/detail/config.hpp>
#include <boost/atomic/detail/link.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
namespace boost {
namespace atomics {
namespace detail {
struct lockpool
{
class scoped_lock
{
void* m_lock;
public:
explicit BOOST_ATOMIC_DECL scoped_lock(const volatile void* addr) BOOST_NOEXCEPT;
BOOST_ATOMIC_DECL ~scoped_lock() BOOST_NOEXCEPT;
BOOST_DELETED_FUNCTION(scoped_lock(scoped_lock const&))
BOOST_DELETED_FUNCTION(scoped_lock& operator=(scoped_lock const&))
};
static BOOST_ATOMIC_DECL void thread_fence() BOOST_NOEXCEPT;
static BOOST_ATOMIC_DECL void signal_fence() BOOST_NOEXCEPT;
};
} // namespace detail
} // namespace atomics
} // namespace boost
#endif // BOOST_ATOMIC_DETAIL_LOCKPOOL_HPP_INCLUDED_