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75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef COMMON_MUTEX_H
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#define COMMON_MUTEX_H
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#include "common/scummsys.h"
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#include "common/system.h"
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namespace Common {
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class Mutex;
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/**
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* An pseudo-opaque mutex type. See OSystem::createMutex etc. for more details.
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*/
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typedef OSystem::MutexRef MutexRef;
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/**
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* Auxillary class to (un)lock a mutex on the stack.
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*/
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class StackLock {
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MutexRef _mutex;
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const char *_mutexName;
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void lock();
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void unlock();
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public:
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explicit StackLock(MutexRef mutex, const char *mutexName = NULL);
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explicit StackLock(const Mutex &mutex, const char *mutexName = NULL);
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~StackLock();
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};
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/**
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* Wrapper class around the OSystem mutex functions.
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*/
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class Mutex {
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friend class StackLock;
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MutexRef _mutex;
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public:
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Mutex();
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~Mutex();
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void lock();
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void unlock();
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};
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} // End of namespace Common
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#endif
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