88 lines
2.2 KiB
C++
88 lines
2.2 KiB
C++
/*
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* $Id$
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*
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Copyright (c) 2006-2014 Chung, Hyung-Hwan. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EQSERESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _QSE_SI_MUTEX_CLASS_
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#define _QSE_SI_MUTEX_CLASS_
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#include <qse/Types.hpp>
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#include <qse/Uncopyable.hpp>
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#include <qse/si/mtx.h>
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QSE_BEGIN_NAMESPACE(QSE)
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class Mutex: public Uncopyable
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{
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public:
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friend class Condition;
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Mutex() QSE_CPP_NOEXCEPT
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{
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qse_mtx_init (&this->mtx, QSE_NULL);
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}
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~Mutex() QSE_CPP_NOEXCEPT
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{
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qse_mtx_fini (&this->mtx);
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}
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void lock () QSE_CPP_NOEXCEPT
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{
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qse_mtx_lock (&this->mtx, QSE_NULL);
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}
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void unlock () QSE_CPP_NOEXCEPT
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{
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qse_mtx_unlock (&this->mtx);
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}
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bool trylock () QSE_CPP_NOEXCEPT
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{
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return qse_mtx_trylock (&this->mtx) >= 0;
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}
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protected:
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qse_mtx_t mtx;
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};
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class ScopedMutexLocker: public Uncopyable
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{
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public:
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ScopedMutexLocker (Mutex& mtx) QSE_CPP_NOEXCEPT: mtx(mtx)
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{
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this->mtx.lock ();
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}
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~ScopedMutexLocker () QSE_CPP_NOEXCEPT
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{
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this->mtx.unlock ();
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}
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protected:
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Mutex& mtx;
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};
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QSE_END_NAMESPACE(QSE)
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#endif
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