1 /*- 2 * Copyright (c) 1998 Alex Nash 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 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include "namespace.h" 31 #include <errno.h> 32 #include <stdlib.h> 33 #include <pthread.h> 34 #include "un-namespace.h" 35 36 #include "thr_private.h" 37 38 __weak_reference(_pthread_rwlockattr_destroy, pthread_rwlockattr_destroy); 39 __weak_reference(_pthread_rwlockattr_getpshared, pthread_rwlockattr_getpshared); 40 __weak_reference(_pthread_rwlockattr_init, pthread_rwlockattr_init); 41 __weak_reference(_pthread_rwlockattr_setpshared, pthread_rwlockattr_setpshared); 42 43 int 44 _pthread_rwlockattr_destroy(pthread_rwlockattr_t *rwlockattr) 45 { 46 pthread_rwlockattr_t prwlockattr; 47 48 if (rwlockattr == NULL) 49 return (EINVAL); 50 prwlockattr = *rwlockattr; 51 if (prwlockattr == NULL) 52 return (EINVAL); 53 free(prwlockattr); 54 return (0); 55 } 56 57 int 58 _pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *rwlockattr, 59 int *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