thr_condattr.c revision 208503
1193323Sed/* 2193323Sed * Copyright (c) 1997 John Birrell <jb@cimlogic.com.au>. 3193323Sed * All rights reserved. 4193323Sed * 5193323Sed * Redistribution and use in source and binary forms, with or without 6193323Sed * modification, are permitted provided that the following conditions 7193323Sed * are met: 8193323Sed * 1. Redistributions of source code must retain the above copyright 9193323Sed * notice, this list of conditions and the following disclaimer. 10193323Sed * 2. Redistributions in binary form must reproduce the above copyright 11193323Sed * notice, this list of conditions and the following disclaimer in the 12193323Sed * documentation and/or other materials provided with the distribution. 13193323Sed * 3. Neither the name of the author nor the names of any co-contributors 14193323Sed * may be used to endorse or promote products derived from this software 15193323Sed * without specific prior written permission. 16193323Sed * 17193323Sed * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 18198090Srdivacky * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19198090Srdivacky * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20193323Sed * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21193323Sed * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22193323Sed * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23193323Sed * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24193323Sed * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25193323Sed * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26198090Srdivacky * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27198090Srdivacky * SUCH DAMAGE. 28193323Sed * 29193323Sed * $FreeBSD: head/lib/libthr/thread/thr_condattr.c 208503 2010-05-24 13:44:39Z deischen $ 30193323Sed */ 31193323Sed 32193323Sed#include "namespace.h" 33193323Sed#include <stdlib.h> 34193323Sed#include <string.h> 35202375Srdivacky#include <errno.h> 36198090Srdivacky#include <pthread.h> 37202375Srdivacky#include "un-namespace.h" 38193323Sed 39193323Sed#include "thr_private.h" 40193323Sed 41193323Sed__weak_reference(_pthread_condattr_init, pthread_condattr_init); 42193323Sed__weak_reference(_pthread_condattr_destroy, pthread_condattr_destroy); 43202375Srdivacky__weak_reference(_pthread_condattr_getclock, pthread_condattr_getclock); 44198090Srdivacky__weak_reference(_pthread_condattr_setclock, pthread_condattr_setclock); 45202375Srdivacky__weak_reference(_pthread_condattr_getpshared, pthread_condattr_getpshared); 46193323Sed__weak_reference(_pthread_condattr_setpshared, pthread_condattr_setpshared); 47198090Srdivacky 48193323Sedint 49193323Sed_pthread_condattr_init(pthread_condattr_t *attr) 50193323Sed{ 51193323Sed pthread_condattr_t pattr; 52193323Sed int ret; 53202375Srdivacky 54193323Sed if ((pattr = (pthread_condattr_t) 55193323Sed malloc(sizeof(struct pthread_cond_attr))) == NULL) { 56193323Sed ret = ENOMEM; 57193323Sed } else { 58202375Srdivacky memcpy(pattr, &_pthread_condattr_default, 59193323Sed sizeof(struct pthread_cond_attr)); 60193323Sed *attr = pattr; 61198090Srdivacky ret = 0; 62193323Sed } 63193323Sed return (ret); 64193323Sed} 65193323Sed 66193323Sedint 67193323Sed_pthread_condattr_destroy(pthread_condattr_t *attr) 68193323Sed{ 69193323Sed int ret; 70193323Sed 71193323Sed if (attr == NULL || *attr == NULL) { 72193323Sed ret = EINVAL; 73193323Sed } else { 74193323Sed free(*attr); 75193323Sed *attr = NULL; 76193323Sed ret = 0; 77193323Sed } 78193323Sed return(ret); 79193323Sed} 80193323Sed 81198090Srdivackyint 82193323Sed_pthread_condattr_getclock(const pthread_condattr_t *attr, clockid_t *clock_id) 83193323Sed{ 84198090Srdivacky if (attr == NULL || *attr == NULL) 85198090Srdivacky return (EINVAL); 86198090Srdivacky *clock_id = (*attr)->c_clockid; 87198090Srdivacky return (0); 88198090Srdivacky} 89193323Sed 90193323Sedint 91193323Sed_pthread_condattr_setclock(pthread_condattr_t *attr, clockid_t clock_id) 92193323Sed{ 93193323Sed if (attr == NULL || *attr == NULL) 94193323Sed return (EINVAL); 95193323Sed if (clock_id != CLOCK_REALTIME && 96193323Sed clock_id != CLOCK_VIRTUAL && 97193323Sed clock_id != CLOCK_PROF && 98193323Sed clock_id != CLOCK_MONOTONIC) { 99193323Sed return (EINVAL); 100193323Sed } 101193323Sed (*attr)->c_clockid = clock_id; 102193323Sed return (0); 103193323Sed} 104193323Sed 105198090Srdivackyint 106193323Sed_pthread_condattr_getpshared(const pthread_condattr_t *attr, int *pshared) 107193323Sed{ 108198090Srdivacky if (attr == NULL || *attr == NULL) 109198090Srdivacky return (EINVAL); 110198090Srdivacky 111193323Sed *pshared = PTHREAD_PROCESS_PRIVATE; 112193323Sed return (0); 113193323Sed} 114193323Sed 115193323Sedint 116193323Sed_pthread_condattr_setpshared(pthread_condattr_t *attr, int pshared) 117193323Sed{ 118193323Sed if (attr == NULL || *attr == NULL) 119193323Sed return (EINVAL); 120193323Sed 121193323Sed if (pshared != PTHREAD_PROCESS_PRIVATE) 122193323Sed return (EINVAL); 123193323Sed return (0); 124193323Sed} 125193323Sed