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( 61 const pthread_rwlockattr_t * __restrict rwlockattr, 62 int * __restrict pshared) 63 { 64 65 *pshared = (*rwlockattr)->pshared; 66 return (0); 67 } 68 69 int 70 _pthread_rwlockattr_init(pthread_rwlockattr_t *rwlockattr) 71 { 72 pthread_rwlockattr_t prwlockattr; 73 74 if (rwlockattr == NULL) 75 return (EINVAL); 76 77 prwlockattr = malloc(sizeof(struct pthread_rwlockattr)); 78 if (prwlockattr == NULL) 79 return (ENOMEM); 80 81 prwlockattr->pshared = PTHREAD_PROCESS_PRIVATE; 82 *rwlockattr = prwlockattr; 83 return (0); 84 } 85 86 int 87 _pthread_rwlockattr_setpshared(pthread_rwlockattr_t *rwlockattr, int pshared) 88 { 89 90 if (pshared != PTHREAD_PROCESS_PRIVATE && 91 pshared != PTHREAD_PROCESS_SHARED) 92 return (EINVAL); 93 (*rwlockattr)->pshared = pshared; 94 return (0); 95 } 96