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/* -------------------------------------------------------------- */
/* (C)Copyright 2001,2007, */
/* International Business Machines Corporation, */
/* Sony Computer Entertainment, Incorporated, */
/* Toshiba Corporation, */
/* */
/* All Rights Reserved. */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the */
/* following conditions are met: */
/* */
/* - Redistributions of source code must retain the above copyright*/
/* notice, this list of conditions and the following disclaimer. */
/* */
/* - Redistributions in binary form must reproduce the above */
/* copyright notice, this list of conditions and the following */
/* disclaimer in the documentation and/or other materials */
/* provided with the distribution. */
/* */
/* - Neither the name of IBM Corporation nor the names of its */
/* contributors may be used to endorse or promote products */
/* derived from this software without specific prior written */
/* permission. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND */
/* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, */
/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
/* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR */
/* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT */
/* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; */
/* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) */
/* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN */
/* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR */
/* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */
/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/* -------------------------------------------------------------- */
/* PROLOG END TAG zYx */
#ifndef _SPU_LIB_SYNC_H_
#define _SPU_LIB_SYNC_H_
#include "sync_utils.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef unsigned long long atomic_ea_t;
extern void atomic_set(atomic_ea_t v, int val);
extern void atomic_add(int a, atomic_ea_t v);
extern void atomic_sub(int a, atomic_ea_t v);
extern void atomic_inc(atomic_ea_t v);
extern void atomic_dec(atomic_ea_t v);
extern int atomic_read(atomic_ea_t v);
extern int atomic_add_return(int a, atomic_ea_t v);
extern int atomic_sub_return(int a, atomic_ea_t v);
extern int atomic_inc_return(atomic_ea_t v);
extern int atomic_dec_return(atomic_ea_t v);
extern int atomic_sub_and_test(int a, atomic_ea_t v);
extern int atomic_dec_and_test(atomic_ea_t v);
extern int atomic_dec_if_positive(atomic_ea_t v);
typedef unsigned long long mutex_ea_t;
extern void mutex_init(mutex_ea_t lock);
extern void mutex_lock(mutex_ea_t lock);
extern int mutex_trylock(mutex_ea_t ea);
extern void mutex_unlock(mutex_ea_t lock);
typedef struct
{
int num_threads_signal; /* the number of threads that are going to be waken up.
* There are 3 values possible for this parameter, 0, 1,
* or num_threads_waiting
*/
int num_threads_waiting; /* the number of threads that are waiting to be awaken
*/
} condition_variable_t __attribute__ ((aligned (128)));
typedef eaddr_t cond_ea_t; /* a system memory 64 bit address that points to
* a valid condition_variable_t
*/
extern void cond_init (cond_ea_t cond);
extern void cond_signal (cond_ea_t cond);
extern void cond_broadcast (cond_ea_t cond);
extern void cond_wait (cond_ea_t cond, mutex_ea_t mutex);
typedef unsigned long long completion_ea_t;
extern void init_completion(completion_ea_t completion);
extern void wait_for_completion(completion_ea_t completion);
extern void complete(completion_ea_t completion);
extern void complete_all(completion_ea_t completion);
#ifdef __SPU__
/* Function only implemented for the SPU
*/
extern void read_lock(eaddr_t ea);
extern void read_unlock(eaddr_t ea);
extern int read_trylock(eaddr_t ea);
extern void write_lock(eaddr_t ea);
extern void write_unlock(eaddr_t ea);
extern int write_trylock(eaddr_t ea);
#endif
#ifdef __cplusplus
}
#endif
#endif /* _SPU_LIB_SYNC_H_ */
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