thr_single_np.c revision 75369
117706Sjulian/* 217706Sjulian * Copyright (c) 1996 John Birrell <jb@cimlogic.com.au>. 317706Sjulian * All rights reserved. 417706Sjulian * 517706Sjulian * Redistribution and use in source and binary forms, with or without 617706Sjulian * modification, are permitted provided that the following conditions 717706Sjulian * are met: 817706Sjulian * 1. Redistributions of source code must retain the above copyright 917706Sjulian * notice, this list of conditions and the following disclaimer. 1017706Sjulian * 2. Redistributions in binary form must reproduce the above copyright 1117706Sjulian * notice, this list of conditions and the following disclaimer in the 1217706Sjulian * documentation and/or other materials provided with the distribution. 1317706Sjulian * 3. All advertising materials mentioning features or use of this software 1417706Sjulian * must display the following acknowledgement: 1517706Sjulian * This product includes software developed by John Birrell. 1617706Sjulian * 4. Neither the name of the author nor the names of any co-contributors 1717706Sjulian * may be used to endorse or promote products derived from this software 1817706Sjulian * without specific prior written permission. 1917706Sjulian * 2017706Sjulian * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 2117706Sjulian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2217706Sjulian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2349439Sdeischen * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2417706Sjulian * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2517706Sjulian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2617706Sjulian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2717706Sjulian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2817706Sjulian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2917706Sjulian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3017706Sjulian * SUCH DAMAGE. 3117706Sjulian * 3250476Speter * $FreeBSD: head/lib/libkse/thread/thr_single_np.c 75369 2001-04-10 04:19:21Z deischen $ 3317706Sjulian */ 3417706Sjulian#include <string.h> 3517706Sjulian#include <pthread.h> 3617706Sjulian#include "pthread_private.h" 3717706Sjulian 3875369Sdeischen__weak_reference(_pthread_single_np, pthread_single_np); 3971581Sdeischen 4071581Sdeischenint _pthread_single_np() 4117706Sjulian{ 4271581Sdeischen struct pthread *curthread = _get_curthread(); 4371581Sdeischen 4417706Sjulian /* Enter single-threaded (non-POSIX) scheduling mode: */ 4571581Sdeischen _thread_single = curthread; 4617706Sjulian return(0); 4717706Sjulian} 48