vn-verdnaturachat/ios/Pods/boost-for-react-native/boost/log/detail/fake_mutex.hpp

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1.5 KiB
C++

/*
* Copyright Andrey Semashev 2007 - 2015.
* 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)
*/
/*!
* \file fake_mutex.hpp
* \author Andrey Semashev
* \date 31.07.2011
*
* \brief This header is the Boost.Log library implementation, see the library documentation
* at http://www.boost.org/doc/libs/release/libs/log/doc/html/index.html.
*/
#ifndef BOOST_LOG_DETAIL_FAKE_MUTEX_HPP_INCLUDED_
#define BOOST_LOG_DETAIL_FAKE_MUTEX_HPP_INCLUDED_
#include <boost/log/detail/config.hpp>
#include <boost/log/detail/header.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
namespace boost {
BOOST_LOG_OPEN_NAMESPACE
namespace aux {
//! Fake mutex that doesn't do anything. Note: we're not using \c null_mutex from Boost.Thread in order not to introduce false dependencies on Boost.Thread and Boost.Chrono.
class fake_mutex
{
public:
BOOST_DEFAULTED_FUNCTION(fake_mutex(), {})
void lock() {}
bool try_lock() { return true; }
template< typename T >
bool timed_lock(T const&) { return true; }
void unlock() {}
// Copying prohibited
BOOST_DELETED_FUNCTION(fake_mutex(fake_mutex const&))
BOOST_DELETED_FUNCTION(fake_mutex& operator=(fake_mutex const&))
};
} // namespace aux
BOOST_LOG_CLOSE_NAMESPACE // namespace log
} // namespace boost
#include <boost/log/detail/footer.hpp>
#endif // BOOST_LOG_DETAIL_FAKE_MUTEX_HPP_INCLUDED_