ecency-mobile/ios/Pods/boost-for-react-native/boost/pool/detail/mutex.hpp

51 lines
2.5 KiB
C++

// Copyright (C) 2000 Stephen Cleary
//
// 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)
//
// See http://www.boost.org for updates, documentation, and revision history.
#ifndef BOOST_POOL_MUTEX_HPP
#define BOOST_POOL_MUTEX_HPP
#include <boost/config.hpp> // for workarounds
#if defined (BOOST_HAS_THREADS) && !defined(BOOST_POOL_NO_MT)
#if defined (BOOST_NO_CXX11_HDR_MUTEX)
#include <boost/thread/mutex.hpp>
#else
#include <mutex>
#endif
#endif
namespace boost{ namespace details{ namespace pool{
class null_mutex
{
private:
null_mutex(const null_mutex &);
void operator=(const null_mutex &);
public:
null_mutex() { }
static void lock() { }
static void unlock() { }
};
#if !defined(BOOST_HAS_THREADS) || defined(BOOST_NO_MT) || defined(BOOST_POOL_NO_MT)
typedef null_mutex default_mutex;
#else
#if defined (BOOST_NO_CXX11_HDR_MUTEX)
typedef boost::mutex default_mutex;
#else
typedef std::mutex default_mutex;
#endif
#endif
} // namespace pool
} // namespace details
} // namespace boost
#endif