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#ifndef BOOST_PTHREAD_MUTEX_SCOPED_LOCK_HPP #define BOOST_PTHREAD_MUTEX_SCOPED_LOCK_HPP // (C) Copyright 2007-8 Anthony Williams // // 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) #include <pthread.h> #include <boost/assert.hpp> #include <boost/thread/pthread/pthread_helpers.hpp> #include <boost/config/abi_prefix.hpp> namespace boost { namespace pthread { class pthread_mutex_scoped_lock { pthread_mutex_t* m; bool locked; public: explicit pthread_mutex_scoped_lock(pthread_mutex_t* m_) BOOST_NOEXCEPT: m(m_),locked(true) { BOOST_VERIFY(!posix::pthread_mutex_lock(m)); } void unlock() BOOST_NOEXCEPT { BOOST_VERIFY(!posix::pthread_mutex_unlock(m)); locked=false; } void unlock_if_locked() BOOST_NOEXCEPT { if(locked) { unlock(); } } ~pthread_mutex_scoped_lock() BOOST_NOEXCEPT { if(locked) { unlock(); } } }; class pthread_mutex_scoped_unlock { pthread_mutex_t* m; public: explicit pthread_mutex_scoped_unlock(pthread_mutex_t* m_) BOOST_NOEXCEPT: m(m_) { BOOST_VERIFY(!posix::pthread_mutex_unlock(m)); } ~pthread_mutex_scoped_unlock() BOOST_NOEXCEPT { BOOST_VERIFY(!posix::pthread_mutex_lock(m)); } }; } } #include <boost/config/abi_suffix.hpp> #endif