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Clementine-audio-player-Mac.../3rdparty/gloox/mutex.h
2011-03-01 13:01:41 +00:00

78 lines
1.7 KiB
C++

/*
Copyright (c) 2007-2009 by Jakob Schroeter <js@camaya.net>
This file is part of the gloox library. http://camaya.net/gloox
This software is distributed under a license. The full license
agreement can be found in the file LICENSE in this distribution.
This software may not be copied, modified, sold or distributed
other than expressed in the named license agreement.
This software is distributed without any warranty.
*/
#ifndef MUTEX_H__
#define MUTEX_H__
#include "macros.h"
namespace gloox
{
namespace util
{
/**
* @brief A simple implementation of mutex as a wrapper around a pthread mutex
* or a win32 critical section.
*
* If you locked a mutex you MUST unlock it within the same thread.
*
* @author Jakob Schroeter <js@camaya.net>
* @since 0.9
*/
class GLOOX_API Mutex
{
public:
/**
* Contructs a new simple mutex.
*/
Mutex();
/**
* Destructor
*/
~Mutex();
/**
* Locks the mutex.
*/
void lock();
/**
* Tries to lock the mutex.
* @return @b True if the attempt was successful, @b false otherwise.
* @note This function also returns @b true if mutex support is not available, ie. if gloox
* is compiled without pthreads on non-Windows platforms. Make sure threads/mutexes are available
* if your code relies on trylock().
*/
bool trylock();
/**
* Releases the mutex.
*/
void unlock();
private:
class MutexImpl;
Mutex& operator=( const Mutex& );
MutexImpl* m_mutex;
};
}
}
#endif // MUTEX_H__