65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
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#ifndef BOOST_PTHREAD_MUTEX_SCOPED_LOCK_HPP
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#define BOOST_PTHREAD_MUTEX_SCOPED_LOCK_HPP
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// (C) Copyright 2007-8 Anthony Williams
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <pthread.h>
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#include <boost/assert.hpp>
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#include <boost/config/abi_prefix.hpp>
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namespace boost
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{
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namespace pthread
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{
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class pthread_mutex_scoped_lock
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{
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pthread_mutex_t* m;
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bool locked;
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public:
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explicit pthread_mutex_scoped_lock(pthread_mutex_t* m_):
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m(m_),locked(true)
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{
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BOOST_VERIFY(!pthread_mutex_lock(m));
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}
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void unlock()
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{
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BOOST_VERIFY(!pthread_mutex_unlock(m));
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locked=false;
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}
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~pthread_mutex_scoped_lock()
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{
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if(locked)
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{
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unlock();
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}
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}
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};
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class pthread_mutex_scoped_unlock
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{
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pthread_mutex_t* m;
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public:
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explicit pthread_mutex_scoped_unlock(pthread_mutex_t* m_):
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m(m_)
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{
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BOOST_VERIFY(!pthread_mutex_unlock(m));
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}
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~pthread_mutex_scoped_unlock()
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{
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BOOST_VERIFY(!pthread_mutex_lock(m));
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}
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};
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}
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}
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#include <boost/config/abi_suffix.hpp>
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#endif
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