1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 "namespace.h" 30 #include <errno.h> 31 #include <stdlib.h> 32 #include <pthread.h> 33 #include "un-namespace.h" 34 35 #include "thr_private.h" 36 37 __weak_reference(_pthread_rwlockattr_destroy, pthread_rwlockattr_destroy); 38 __weak_reference(_pthread_rwlockattr_getpshared, pthread_rwlockattr_getpshared); 39 __weak_reference(_pthread_rwlockattr_init, pthread_rwlockattr_init); 40 __weak_reference(_pthread_rwlockattr_setpshared, pthread_rwlockattr_setpshared); 41 42 int 43 _pthread_rwlockattr_destroy(pthread_rwlockattr_t *rwlockattr) 44 { 45 pthread_rwlockattr_t prwlockattr; 46 47 if (rwlockattr == NULL) 48 return (EINVAL); 49 prwlockattr = *rwlockattr; 50 if (prwlockattr == NULL) 51 return (EINVAL); 52 free(prwlockattr); 53 return (0); 54 } 55 56 int 57 _pthread_rwlockattr_getpshared( 58 const pthread_rwlockattr_t * __restrict rwlockattr, 59 int * __restrict pshared) 60 { 61 62 *pshared = (*rwlockattr)->pshared; 63 return (0); 64 } 65 66 int 67 _pthread_rwlockattr_init(pthread_rwlockattr_t *rwlockattr) 68 { 69 pthread_rwlockattr_t prwlockattr; 70 71 if (rwlockattr == NULL) 72 return (EINVAL); 73 74 prwlockattr = malloc(sizeof(struct pthread_rwlockattr)); 75 if (prwlockattr == NULL) 76 return (ENOMEM); 77 78 prwlockattr->pshared = PTHREAD_PROCESS_PRIVATE; 79 *rwlockattr = prwlockattr; 80 return (0); 81 } 82 83 int 84 _pthread_rwlockattr_setpshared(pthread_rwlockattr_t *rwlockattr, int pshared) 85 { 86 87 if (pshared != PTHREAD_PROCESS_PRIVATE && 88 pshared != PTHREAD_PROCESS_SHARED) 89 return (EINVAL); 90 (*rwlockattr)->pshared = pshared; 91 return (0); 92 } 93