1 /*- 2 * Copyright (c) 2004 Michael Telahun Makonnen <mtm@FreeBSD.Org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #include <pthread.h> 30 #include <stdlib.h> 31 32 #include "thr_private.h" 33 34 __weak_reference(_pthread_barrierattr_destroy, pthread_barrierattr_destroy); 35 __weak_reference(_pthread_barrierattr_init, pthread_barrierattr_init); 36 __weak_reference(_pthread_barrierattr_getpshared, 37 pthread_barrierattr_getpshared); 38 __weak_reference(_pthread_barrierattr_setpshared, 39 pthread_barrierattr_setpshared); 40 41 int 42 _pthread_barrierattr_destroy(pthread_barrierattr_t *attr) 43 { 44 if (*attr == NULL) 45 return (EINVAL); 46 free(*attr); 47 *attr = NULL; 48 return (0); 49 } 50 51 int 52 _pthread_barrierattr_init(pthread_barrierattr_t *attr) 53 { 54 *attr = 55 (pthread_barrierattr_t)malloc(sizeof(struct pthread_barrierattr)); 56 if ((*attr) == NULL) 57 return (ENOMEM); 58 (*attr)->ba_pshared = PTHREAD_PROCESS_PRIVATE; 59 return (0); 60 } 61 62 int 63 _pthread_barrierattr_getpshared(const pthread_barrierattr_t *attr, int *pshared) 64 { 65 if (*attr == NULL) 66 return (EINVAL); 67 *pshared = (*attr)->ba_pshared; 68 return (0); 69 } 70 71 int 72 _pthread_barrierattr_setpshared(pthread_barrierattr_t *attr, int pshared) 73 { 74 if (*attr == NULL || (pshared != PTHREAD_PROCESS_PRIVATE && 75 pshared != PTHREAD_PROCESS_SHARED)) 76 return (EINVAL); 77 (*attr)->ba_pshared = pshared; 78 return (0); 79 } 80