1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1997 John Birrell <jb@cimlogic.com.au>. 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 * 3. Neither the name of the author nor the names of any co-contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #include "namespace.h" 34 #include <stdlib.h> 35 #include <string.h> 36 #include <errno.h> 37 #include <pthread.h> 38 #include "un-namespace.h" 39 40 #include "thr_private.h" 41 42 __weak_reference(_pthread_condattr_init, pthread_condattr_init); 43 __weak_reference(_pthread_condattr_destroy, pthread_condattr_destroy); 44 __weak_reference(_pthread_condattr_getclock, pthread_condattr_getclock); 45 __weak_reference(_pthread_condattr_setclock, pthread_condattr_setclock); 46 __weak_reference(_pthread_condattr_getpshared, pthread_condattr_getpshared); 47 __weak_reference(_pthread_condattr_setpshared, pthread_condattr_setpshared); 48 49 int 50 _pthread_condattr_init(pthread_condattr_t *attr) 51 { 52 pthread_condattr_t pattr; 53 int ret; 54 55 if ((pattr = (pthread_condattr_t) 56 malloc(sizeof(struct pthread_cond_attr))) == NULL) { 57 ret = ENOMEM; 58 } else { 59 memcpy(pattr, &_pthread_condattr_default, 60 sizeof(struct pthread_cond_attr)); 61 *attr = pattr; 62 ret = 0; 63 } 64 return (ret); 65 } 66 67 int 68 _pthread_condattr_destroy(pthread_condattr_t *attr) 69 { 70 int ret; 71 72 if (attr == NULL || *attr == NULL) { 73 ret = EINVAL; 74 } else { 75 free(*attr); 76 *attr = NULL; 77 ret = 0; 78 } 79 return(ret); 80 } 81 82 int 83 _pthread_condattr_getclock(const pthread_condattr_t * __restrict attr, 84 clockid_t * __restrict clock_id) 85 { 86 if (attr == NULL || *attr == NULL) 87 return (EINVAL); 88 *clock_id = (*attr)->c_clockid; 89 return (0); 90 } 91 92 int 93 _pthread_condattr_setclock(pthread_condattr_t *attr, clockid_t clock_id) 94 { 95 if (attr == NULL || *attr == NULL) 96 return (EINVAL); 97 if (clock_id != CLOCK_REALTIME && 98 clock_id != CLOCK_VIRTUAL && 99 clock_id != CLOCK_PROF && 100 clock_id != CLOCK_MONOTONIC) { 101 return (EINVAL); 102 } 103 (*attr)->c_clockid = clock_id; 104 return (0); 105 } 106 107 int 108 _pthread_condattr_getpshared(const pthread_condattr_t * __restrict attr, 109 int * __restrict pshared) 110 { 111 112 if (attr == NULL || *attr == NULL) 113 return (EINVAL); 114 *pshared = (*attr)->c_pshared; 115 return (0); 116 } 117 118 int 119 _pthread_condattr_setpshared(pthread_condattr_t *attr, int pshared) 120 { 121 122 if (attr == NULL || *attr == NULL || 123 (pshared != PTHREAD_PROCESS_PRIVATE && 124 pshared != PTHREAD_PROCESS_SHARED)) 125 return (EINVAL); 126 (*attr)->c_pshared = pshared; 127 return (0); 128 } 129