1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1998 Alex Nash 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, 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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER 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 26 * SUCH 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_rwlockattr_destroy, pthread_rwlockattr_destroy); 41 __weak_reference(_pthread_rwlockattr_getpshared, pthread_rwlockattr_getpshared); 42 __weak_reference(_pthread_rwlockattr_init, pthread_rwlockattr_init); 43 __weak_reference(_pthread_rwlockattr_setpshared, pthread_rwlockattr_setpshared); 44 45 int 46 _pthread_rwlockattr_destroy(pthread_rwlockattr_t *rwlockattr) 47 { 48 pthread_rwlockattr_t prwlockattr; 49 50 if (rwlockattr == NULL) 51 return (EINVAL); 52 prwlockattr = *rwlockattr; 53 if (prwlockattr == NULL) 54 return (EINVAL); 55 free(prwlockattr); 56 return (0); 57 } 58 59 int 60 _pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *rwlockattr, 61 int *pshared) 62 { 63 64 *pshared = (*rwlockattr)->pshared; 65 return (0); 66 } 67 68 int 69 _pthread_rwlockattr_init(pthread_rwlockattr_t *rwlockattr) 70 { 71 pthread_rwlockattr_t prwlockattr; 72 73 if (rwlockattr == NULL) 74 return (EINVAL); 75 76 prwlockattr = malloc(sizeof(struct pthread_rwlockattr)); 77 if (prwlockattr == NULL) 78 return (ENOMEM); 79 80 prwlockattr->pshared = PTHREAD_PROCESS_PRIVATE; 81 *rwlockattr = prwlockattr; 82 return (0); 83 } 84 85 int 86 _pthread_rwlockattr_setpshared(pthread_rwlockattr_t *rwlockattr, int pshared) 87 { 88 89 if (pshared != PTHREAD_PROCESS_PRIVATE && 90 pshared != PTHREAD_PROCESS_SHARED) 91 return (EINVAL); 92 (*rwlockattr)->pshared = pshared; 93 return (0); 94 } 95