rthread_condattr.c revision 1.3
1/* $OpenBSD: rthread_condattr.c,v 1.3 2017/09/05 02:40:54 guenther Exp $ */ 2/* 3 * Copyright (c) 2004,2005 Ted Unangst <tedu@openbsd.org> 4 * Copyright (c) 2012 Philip Guenther <guenther@openbsd.org> 5 * All Rights Reserved. 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19/* 20 * Condition Variable Attributes 21 */ 22 23#include <errno.h> 24#include <pthread.h> 25#include <stdlib.h> 26 27#include "rthread.h" 28 29int 30pthread_condattr_init(pthread_condattr_t *attrp) 31{ 32 pthread_condattr_t attr; 33 34 attr = calloc(1, sizeof(*attr)); 35 if (!attr) 36 return (errno); 37 attr->ca_clock = CLOCK_REALTIME; 38 *attrp = attr; 39 40 return (0); 41} 42 43int 44pthread_condattr_destroy(pthread_condattr_t *attrp) 45{ 46 free(*attrp); 47 *attrp = NULL; 48 49 return (0); 50} 51 52int 53pthread_condattr_getclock(const pthread_condattr_t *attr, clockid_t *clock_id) 54{ 55 *clock_id = (*attr)->ca_clock; 56 return (0); 57} 58 59int 60pthread_condattr_setclock(pthread_condattr_t *attr, clockid_t clock_id) 61{ 62 if (clock_id != CLOCK_REALTIME && clock_id != CLOCK_MONOTONIC) 63 return (EINVAL); 64 (*attr)->ca_clock = clock_id; 65 return (0); 66} 67 68