101 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			101 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
| /*-
 | |
|  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 | |
|  *
 | |
|  * Copyright (c) 2011 Ed Schouten <ed@FreeBSD.org>
 | |
|  * 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.
 | |
|  *
 | |
|  * $FreeBSD$
 | |
|  */
 | |
| 
 | |
| #include <sys/cdefs.h>
 | |
| __FBSDID("$FreeBSD$");
 | |
| 
 | |
| #include <errno.h>
 | |
| #include <pthread.h>
 | |
| 
 | |
| #include "threads.h"
 | |
| 
 | |
| int
 | |
| cnd_broadcast(cnd_t *cond)
 | |
| {
 | |
| 
 | |
| 	if (pthread_cond_broadcast(cond) != 0)
 | |
| 		return (thrd_error);
 | |
| 	return (thrd_success);
 | |
| }
 | |
| 
 | |
| void
 | |
| cnd_destroy(cnd_t *cond)
 | |
| {
 | |
| 
 | |
| 	(void)pthread_cond_destroy(cond);
 | |
| }
 | |
| 
 | |
| int
 | |
| cnd_init(cnd_t *cond)
 | |
| {
 | |
| 
 | |
| 	switch (pthread_cond_init(cond, NULL)) {
 | |
| 	case 0:
 | |
| 		return (thrd_success);
 | |
| 	case ENOMEM:
 | |
| 		return (thrd_nomem);
 | |
| 	default:
 | |
| 		return (thrd_error);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| int
 | |
| cnd_signal(cnd_t *cond)
 | |
| {
 | |
| 
 | |
| 	if (pthread_cond_signal(cond) != 0)
 | |
| 		return (thrd_error);
 | |
| 	return (thrd_success);
 | |
| }
 | |
| 
 | |
| int
 | |
| cnd_timedwait(cnd_t *restrict cond, mtx_t *restrict mtx,
 | |
|     const struct timespec *restrict ts)
 | |
| {
 | |
| 
 | |
| 	switch (pthread_cond_timedwait(cond, mtx, ts)) {
 | |
| 	case 0:
 | |
| 		return (thrd_success);
 | |
| 	case ETIMEDOUT:
 | |
| 		return (thrd_timedout);
 | |
| 	default:
 | |
| 		return (thrd_error);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| int
 | |
| cnd_wait(cnd_t *cond, mtx_t *mtx)
 | |
| {
 | |
| 
 | |
| 	if (pthread_cond_wait(cond, mtx) != 0)
 | |
| 		return (thrd_error);
 | |
| 	return (thrd_success);
 | |
| }
 |