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/* --------------------------------------------------------------  */
/* (C)Copyright 2001,2007,                                         */
/* International Business Machines Corporation,                    */
/* Sony Computer Entertainment, Incorporated,                      */
/* Toshiba Corporation,                                            */
/*                                                                 */
/* All Rights Reserved.                                            */
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/* PROLOG END TAG zYx                                              */
#ifndef _PPU_MUTEX_UNLOCK_H_
#define _PPU_MUTEX_UNLOCK_H_

#include "mutex.h"
#include "atomic.h"
#include "trace_libsync.h"

/* function:	_mutex_unlock
 *
 * Release a lock held at address 'lock' in system memory.
 * For the PU, this routine is the same _unlock, and is 
 * provided here as a simple convenience for programmers 
 * (to match the interfaces that are supported on the SPU).
 * All I need to do is a store since store is an atomic operation by itself 
 */
static __inline void _mutex_unlock (mutex_ea_t lock)
{
  _atomic_replace ((atomic_ea_t)lock, 0);

  TRACE_MUTEX_UNLOCK(lock); 
}


#endif /* _PPU_MUTEX_UNLOCK_H_ */