1/* $OpenBSD: pthread_once.c,v 1.3 2018/03/19 03:48:17 guenther Exp $ */ 2/* 3 * Copyright (c) 2004,2005 Ted Unangst <tedu@openbsd.org>s 4 * Copyright (c) 2018 Bob Beck <beck@openbsd.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19#include <pthread.h> 20 21int 22pthread_once(pthread_once_t *once_control, void (*init_routine)(void)) 23{ 24 if (once_control->state == PTHREAD_NEEDS_INIT) { 25 init_routine(); 26 once_control->state = PTHREAD_DONE_INIT; 27 } 28 return (0); 29} 30 31int 32pthread_equal(pthread_t t1, pthread_t t2) 33{ 34 return (t1 == t2); 35} 36 37pthread_t 38pthread_self(void) 39{ 40 /* needs to differ from 0 inited value. */ 41 return (pthread_t) 1; 42} 43DEF_STRONG(pthread_self); 44