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/* 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.
*
* $Header$
*
*/
#include "stdafx.h"
#include "common/mutex.h"
#include "common/system.h"
namespace Common {
Mutex::Mutex() {
_mutex = g_system->createMutex();
}
Mutex::~Mutex() {
g_system->deleteMutex(_mutex);
}
void Mutex::lock() {
g_system->lockMutex(_mutex);
}
void Mutex::unlock() {
g_system->unlockMutex(_mutex);
}
#pragma mark -
StackLock::StackLock(OSystem::MutexRef mutex, const char *mutexName)
: _mutex(mutex), _mutexName(mutexName) {
lock();
}
StackLock::StackLock(const Mutex &mutex, const char *mutexName)
: _mutex(mutex._mutex), _mutexName(mutexName) {
lock();
}
StackLock::~StackLock() {
unlock();
}
void StackLock::lock() {
if (_mutexName != NULL)
debug(6, "Locking mutex %s", _mutexName);
g_system->lockMutex(_mutex);
}
void StackLock::unlock() {
if (_mutexName != NULL)
debug(6, "Unlocking mutex %s", _mutexName);
g_system->unlockMutex(_mutex);
}
} // End of namespace Common
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