forked from boostorg/system
89 lines
1.1 KiB
C++
89 lines
1.1 KiB
C++
#ifndef BOOST_SYSTEM_DETAIL_MUTEX_HPP_INCLUDED
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#define BOOST_SYSTEM_DETAIL_MUTEX_HPP_INCLUDED
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// Copyright 2023 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt)
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#include <boost/config.hpp>
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#if defined(BOOST_SYSTEM_DISABLE_THREADS)
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namespace boost
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{
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namespace system
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{
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namespace detail
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{
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struct mutex
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{
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void lock()
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{
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}
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void unlock()
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{
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}
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};
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} // namespace detail
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} // namespace system
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} // namespace boost
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#else
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#include <mutex>
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namespace boost
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{
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namespace system
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{
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namespace detail
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{
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using std::mutex;
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} // namespace detail
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} // namespace system
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} // namespace boost
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#endif
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namespace boost
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{
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namespace system
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{
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namespace detail
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{
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template<class Mtx> class lock_guard
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{
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private:
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Mtx& mtx_;
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private:
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lock_guard( lock_guard const& );
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lock_guard& operator=( lock_guard const& );
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public:
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explicit lock_guard( Mtx& mtx ): mtx_( mtx )
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{
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mtx_.lock();
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}
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~lock_guard()
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{
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mtx_.unlock();
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}
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};
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} // namespace detail
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} // namespace system
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} // namespace boost
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#endif // #ifndef BOOST_SYSTEM_DETAIL_MUTEX_HPP_INCLUDED
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