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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_MUTEX_H
#define __PERF_MUTEX_H
#include <pthread.h>
#include <stdbool.h>
/*
* A wrapper around the mutex implementation that allows perf to error check
* usage, etc.
*/
struct mutex {
pthread_mutex_t lock;
};
/* A wrapper around the condition variable implementation. */
struct cond {
pthread_cond_t cond;
};
/* Default initialize the mtx struct. */
void mutex_init(struct mutex *mtx);
/*
* Initialize the mtx struct and set the process-shared rather than default
* process-private attribute.
*/
void mutex_init_pshared(struct mutex *mtx);
void mutex_destroy(struct mutex *mtx);
void mutex_lock(struct mutex *mtx);
void mutex_unlock(struct mutex *mtx);
/* Tries to acquire the lock and returns true on success. */
bool mutex_trylock(struct mutex *mtx);
/* Default initialize the cond struct. */
void cond_init(struct cond *cnd);
/*
* Initialize the cond struct and specify the process-shared rather than default
* process-private attribute.
*/
void cond_init_pshared(struct cond *cnd);
void cond_destroy(struct cond *cnd);
void cond_wait(struct cond *cnd, struct mutex *mtx);
void cond_signal(struct cond *cnd);
void cond_broadcast(struct cond *cnd);
#endif /* __PERF_MUTEX_H */
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