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/*
* Copyright (C) 2013 Collabora Ltd.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef GMutexLocker_h
#define GMutexLocker_h
#if USE(GLIB)
#include <glib.h>
#include <wtf/FastAllocBase.h>
#include <wtf/Noncopyable.h>
namespace WebCore {
class GMutexLocker {
WTF_MAKE_NONCOPYABLE(GMutexLocker); WTF_MAKE_FAST_ALLOCATED;
public:
inline explicit GMutexLocker(GMutex* mutex)
: m_mutex(mutex)
, m_val(0)
{
lock();
}
inline ~GMutexLocker() { unlock(); }
inline void lock()
{
if (m_mutex && !m_val) {
g_mutex_lock(m_mutex);
m_val = 1;
}
}
inline void unlock()
{
if (m_mutex && m_val) {
m_val = 0;
g_mutex_unlock(m_mutex);
}
}
inline GMutex* mutex() const { return m_mutex; }
private:
GMutex* m_mutex;
uint8_t m_val;
};
}
#endif // USE(GLIB)
#endif // GMutexLocker_h
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