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Diffstat (limited to 'common/mutex.h')
-rw-r--r-- | common/mutex.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/common/mutex.h b/common/mutex.h new file mode 100644 index 0000000000..6b7ba55851 --- /dev/null +++ b/common/mutex.h @@ -0,0 +1,52 @@ +/* ScummVM - Scumm Interpreter + * Copyright (C) 2003-2005 The ScummVM project + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * $Header$ + * + */ + +#ifndef COMMON_MUTEX_H +#define COMMON_MUTEX_H + +#include "common/scummsys.h" + +namespace Common { + +/** + * An pseudo-opaque mutex type. See OSystem::createMutex etc. for more details. + */ +typedef struct Mutex *MutexRef; + + +/** + * Auxillary class to (un)lock a mutex on the stack. + */ +class StackLock { + MutexRef _mutex; + const char *_mutexName; + + void lock(); + void unlock(); +public: + StackLock(MutexRef mutex, const char *mutexName = NULL); + ~StackLock(); +}; + + +} // End of namespace Common + +#endif |