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git-svn-id: http://encfs.googlecode.com/svn/trunk@92 db9cf616-1c43-0410-9cb8-a902689de0d6
67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
/*****************************************************************************
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* Author: Valient Gough <vgough@pobox.com>
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*
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*****************************************************************************
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* Copyright (c) 2003, Valient Gough
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
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* for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _Mutex_incl_
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#define _Mutex_incl_
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#include <pthread.h>
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namespace rel
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{
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class Lock
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{
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public:
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Lock( pthread_mutex_t &mutex );
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~Lock();
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// leave the lock as it is. When the Lock wrapper is destroyed, it
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// will do nothing with the pthread mutex.
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void leave();
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private:
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Lock(const Lock &src); // not allowed
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Lock &operator = (const Lock &src); // not allowed
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pthread_mutex_t *_mutex;
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};
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inline Lock::Lock( pthread_mutex_t &mutex )
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: _mutex( &mutex )
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{
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pthread_mutex_lock( _mutex );
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}
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inline Lock::~Lock( )
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{
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if(_mutex)
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pthread_mutex_unlock( _mutex );
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}
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inline void Lock::leave()
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{
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_mutex = 0;
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}
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} // namespace rel
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#endif
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