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 "namespace.h" 33 #include <stdlib.h> 34 #include <string.h> 35 #include <errno.h> 36 #include <pthread.h> 37 #include "un-namespace.h" 38 39 #include "thr_private.h" 40 41 __weak_reference(_pthread_condattr_init, pthread_condattr_init); 42 __weak_reference(_pthread_condattr_destroy, pthread_condattr_destroy); 43 __weak_reference(_pthread_condattr_getclock, pthread_condattr_getclock); 44 __weak_reference(_pthread_condattr_setclock, pthread_condattr_setclock); 45 __weak_reference(_pthread_condattr_getpshared, pthread_condattr_getpshared); 46 __weak_reference(_pthread_condattr_setpshared, pthread_condattr_setpshared); 47 48 int 49 _pthread_condattr_init(pthread_condattr_t *attr) 50 { 51 pthread_condattr_t pattr; 52 int ret; 53 54 if ((pattr = (pthread_condattr_t) 55 malloc(sizeof(struct pthread_cond_attr))) == NULL) { 56 ret = ENOMEM; 57 } else { 58 memcpy(pattr, &_pthread_condattr_default, 59 sizeof(struct pthread_cond_attr)); 60 *attr = pattr; 61 ret = 0; 62 } 63 return (ret); 64 } 65 66 int 67 _pthread_condattr_destroy(pthread_condattr_t *attr) 68 { 69 int ret; 70 71 if (attr == NULL || *attr == NULL) { 72 ret = EINVAL; 73 } else { 74 free(*attr); 75 *attr = NULL; 76 ret = 0; 77 } 78 return(ret); 79 } 80 81 int 82 _pthread_condattr_getclock(const pthread_condattr_t * __restrict attr, 83 clockid_t * __restrict clock_id) 84 { 85 if (attr == NULL || *attr == NULL) 86 return (EINVAL); 87 *clock_id = (*attr)->c_clockid; 88 return (0); 89 } 90 91 int 92 _pthread_condattr_setclock(pthread_condattr_t *attr, clockid_t clock_id) 93 { 94 if (attr == NULL || *attr == NULL) 95 return (EINVAL); 96 if (clock_id != CLOCK_REALTIME && 97 clock_id != CLOCK_VIRTUAL && 98 clock_id != CLOCK_PROF && 99 clock_id != CLOCK_MONOTONIC) { 100 return (EINVAL); 101 } 102 (*attr)->c_clockid = clock_id; 103 return (0); 104 } 105 106 int 107 _pthread_condattr_getpshared(const pthread_condattr_t * __restrict attr, 108 int * __restrict pshared) 109 { 110 111 if (attr == NULL || *attr == NULL) 112 return (EINVAL); 113 *pshared = (*attr)->c_pshared; 114 return (0); 115 } 116 117 int 118 _pthread_condattr_setpshared(pthread_condattr_t *attr, int pshared) 119 { 120 121 if (attr == NULL || *attr == NULL || 122 (pshared != PTHREAD_PROCESS_PRIVATE && 123 pshared != PTHREAD_PROCESS_SHARED)) 124 return (EINVAL); 125 (*attr)->c_pshared = pshared; 126 return (0); 127 } 128