1228904Sed/*- 2228904Sed * Copyright (c) 2011 Ed Schouten <ed@FreeBSD.org> 3228904Sed * All rights reserved. 4228904Sed * 5228904Sed * Redistribution and use in source and binary forms, with or without 6228904Sed * modification, are permitted provided that the following conditions 7228904Sed * are met: 8228904Sed * 1. Redistributions of source code must retain the above copyright 9228904Sed * notice, this list of conditions and the following disclaimer. 10228904Sed * 2. Redistributions in binary form must reproduce the above copyright 11228904Sed * notice, this list of conditions and the following disclaimer in the 12228904Sed * documentation and/or other materials provided with the distribution. 13228904Sed * 14228904Sed * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15228904Sed * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16228904Sed * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17228904Sed * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18228904Sed * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19228904Sed * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20228904Sed * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21228904Sed * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22228904Sed * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23228904Sed * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24228904Sed * SUCH DAMAGE. 25228904Sed * 26228904Sed * $FreeBSD$ 27228904Sed */ 28228904Sed 29228904Sed#include <sys/cdefs.h> 30228904Sed__FBSDID("$FreeBSD$"); 31228904Sed 32228904Sed#include <pthread.h> 33228904Sed 34228904Sed#include "threads.h" 35228904Sed 36228904Sedvoid 37228904Sedcall_once(once_flag *flag, void (*func)(void)) 38228904Sed{ 39228904Sed 40228904Sed (void)pthread_once((pthread_once_t *)flag, func); 41228904Sed} 42228904Sed 43228904Sed_Static_assert(sizeof(once_flag) == sizeof(pthread_once_t), 44228904Sed "once_flag must be of the same size as pthread_once_t"); 45