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lxqt-globalkeys-packaging/daemon/mutex.h

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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXDE-Qt - a lightweight, Qt based, desktop toolset
* http://razor-qt.org
*
* Copyright: 2013 Razor team
* Authors:
* Kuzma Shapran <kuzma.shapran@gmail.com>
*
* This program or library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#ifndef GLOBAL_ACTION_DAEMON__MUTEX__INCLUDED
#define GLOBAL_ACTION_DAEMON__MUTEX__INCLUDED
#include <pthread.h>
class Mutex
{
public:
Mutex();
~Mutex();
int initResult() const { return mInitResult; }
int lock() { return pthread_mutex_lock(&mMutex); }
int tryLock() { return pthread_mutex_trylock(&mMutex); }
int unlock() { return pthread_mutex_unlock(&mMutex); }
private:
int mInitResult;
pthread_mutex_t mMutex;
};
class Lock
{
public:
Lock(Mutex &mutex)
: mMutex(mutex)
{
mutex.lock();
}
~Lock()
{
mMutex.unlock();
}
private:
Mutex &mMutex;
};
#define LOCK(lock, mutex) Lock lock(mutex); (void)(lock)
#endif // GLOBAL_ACTION_DAEMON__MUTEX__INCLUDED