1 /* 2 * Copyright (c) 2003 David Xu <davidxu@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(s), this list of conditions and the following disclaimer as 10 * the first lines of this file unmodified other than the possible 11 * addition of one or more copyright notices. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice(s), this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY 17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY 20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 23 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 26 * DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include "namespace.h" 33 #include <errno.h> 34 #include <stdlib.h> 35 #include <pthread.h> 36 #include "un-namespace.h" 37 38 #include "thr_private.h" 39 40 __weak_reference(_pthread_barrierattr_destroy, pthread_barrierattr_destroy); 41 __weak_reference(_pthread_barrierattr_init, pthread_barrierattr_init); 42 __weak_reference(_pthread_barrierattr_setpshared, 43 pthread_barrierattr_setpshared); 44 __weak_reference(_pthread_barrierattr_getpshared, 45 pthread_barrierattr_getpshared); 46 47 int 48 _pthread_barrierattr_destroy(pthread_barrierattr_t *attr) 49 { 50 51 if (attr == NULL || *attr == NULL) 52 return (EINVAL); 53 54 free(*attr); 55 return (0); 56 } 57 58 int 59 _pthread_barrierattr_getpshared(const pthread_barrierattr_t *attr, 60 int *pshared) 61 { 62 63 if (attr == NULL || *attr == NULL) 64 return (EINVAL); 65 66 *pshared = (*attr)->pshared; 67 return (0); 68 } 69 70 int 71 _pthread_barrierattr_init(pthread_barrierattr_t *attr) 72 { 73 74 if (attr == NULL) 75 return (EINVAL); 76 77 if ((*attr = malloc(sizeof(struct pthread_barrierattr))) == NULL) 78 return (ENOMEM); 79 80 (*attr)->pshared = PTHREAD_PROCESS_PRIVATE; 81 return (0); 82 } 83 84 int 85 _pthread_barrierattr_setpshared(pthread_barrierattr_t *attr, int pshared) 86 { 87 88 if (attr == NULL || *attr == NULL || 89 (pshared != PTHREAD_PROCESS_PRIVATE && 90 pshared != PTHREAD_PROCESS_SHARED)) 91 return (EINVAL); 92 93 (*attr)->pshared = pshared; 94 return (0); 95 } 96