* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2011 Ed Schouten <ed@FreeBSD.org>
* Copyright (c) 2022 Dominic Martinez <dom@dominicm.dev>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#if __GNUC__ > 2
#ifndef _THREADS_H_
#define _THREADS_H_
#include <sys/types.h>
#include <time.h>
typedef pthread_cond_t cnd_t;
typedef pthread_mutex_t mtx_t;
typedef pthread_t thrd_t;
typedef pthread_key_t tss_t;
typedef pthread_once_t once_flag;
typedef void (*tss_dtor_t)(void *);
typedef int (*thrd_start_t)(void *);
enum {
mtx_plain = 0x1,
mtx_recursive = 0x2,
mtx_timed = 0x4
};
enum {
thrd_busy = 1,
thrd_error = 2,
thrd_nomem = 3,
thrd_success = 4,
thrd_timedout = 5
};
#if !defined(__cplusplus) || __cplusplus < 201103L
#define thread_local _Thread_local
#endif
#define ONCE_FLAG_INIT { -1 }
#define TSS_DTOR_ITERATIONS 4
#ifdef __cplusplus
extern "C" {
#endif
void call_once(once_flag *, void (*)(void));
int cnd_broadcast(cnd_t *);
void cnd_destroy(cnd_t *);
int cnd_init(cnd_t *);
int cnd_signal(cnd_t *);
int cnd_timedwait(cnd_t *__restrict, mtx_t *__restrict __mtx,
const struct timespec *__restrict);
int cnd_wait(cnd_t *, mtx_t *__mtx);
void mtx_destroy(mtx_t *__mtx);
int mtx_init(mtx_t *__mtx, int);
int mtx_lock(mtx_t *__mtx);
int mtx_timedlock(mtx_t *__restrict __mtx,
const struct timespec *__restrict);
int mtx_trylock(mtx_t *__mtx);
int mtx_unlock(mtx_t *__mtx);
int thrd_create(thrd_t *thread, thrd_start_t, void *);
thrd_t thrd_current(void);
int thrd_detach(thrd_t);
int thrd_equal(thrd_t, thrd_t);
void thrd_exit(int) __attribute__((noreturn));
int thrd_join(thrd_t, int *);
int thrd_sleep(const struct timespec *, struct timespec *);
void thrd_yield(void);
int tss_create(tss_t *, tss_dtor_t);
void tss_delete(tss_t);
void * tss_get(tss_t);
int tss_set(tss_t, void *);
#ifdef __cplusplus
}
#endif
#endif
#endif
