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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "common/debug.h"
#include "common/mutex.h"
#include "common/system.h"
namespace Common {
Mutex::Mutex() {
assert(g_system);
_mutex = g_system->createMutex();
}
Mutex::~Mutex() {
delete _mutex;
}
bool Mutex::lock() {
return _mutex->lock();
}
bool Mutex::unlock() {
return _mutex->unlock();
}
#pragma mark -
StackLock::StackLock(MutexInternal *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();
}
bool StackLock::lock() {
if (_mutexName != nullptr)
debug(6, "Locking mutex %s", _mutexName);
return _mutex->lock();
}
bool StackLock::unlock() {
if (_mutexName != nullptr)
debug(6, "Unlocking mutex %s", _mutexName);
return _mutex->unlock();
}
} // End of namespace Common
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