171b3fa15SDavid Xu /*
271b3fa15SDavid Xu * Copyright (c) 1996 John Birrell <jb@cimlogic.com.au>.
371b3fa15SDavid Xu * All rights reserved.
471b3fa15SDavid Xu *
571b3fa15SDavid Xu * Redistribution and use in source and binary forms, with or without
671b3fa15SDavid Xu * modification, are permitted provided that the following conditions
771b3fa15SDavid Xu * are met:
871b3fa15SDavid Xu * 1. Redistributions of source code must retain the above copyright
971b3fa15SDavid Xu * notice, this list of conditions and the following disclaimer.
1071b3fa15SDavid Xu * 2. Redistributions in binary form must reproduce the above copyright
1171b3fa15SDavid Xu * notice, this list of conditions and the following disclaimer in the
1271b3fa15SDavid Xu * documentation and/or other materials provided with the distribution.
13d3b15642Szrj * 3. Neither the name of the author nor the names of any co-contributors
1471b3fa15SDavid Xu * may be used to endorse or promote products derived from this software
1571b3fa15SDavid Xu * without specific prior written permission.
1671b3fa15SDavid Xu *
1771b3fa15SDavid Xu * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
1871b3fa15SDavid Xu * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1971b3fa15SDavid Xu * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2071b3fa15SDavid Xu * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
2171b3fa15SDavid Xu * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2271b3fa15SDavid Xu * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2371b3fa15SDavid Xu * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2471b3fa15SDavid Xu * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2571b3fa15SDavid Xu * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2671b3fa15SDavid Xu * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
2771b3fa15SDavid Xu * SUCH DAMAGE.
2871b3fa15SDavid Xu *
2971b3fa15SDavid Xu */
30fc71f871SDavid Xu
31fc71f871SDavid Xu #include "namespace.h"
3271b3fa15SDavid Xu #include <pthread.h>
3371b3fa15SDavid Xu #include <pthread_np.h>
34fc71f871SDavid Xu #include "un-namespace.h"
3571b3fa15SDavid Xu
36*19451dc5Szrj int
_pthread_single_np(void)37*19451dc5Szrj _pthread_single_np(void)
3871b3fa15SDavid Xu {
3971b3fa15SDavid Xu
4071b3fa15SDavid Xu /* Enter single-threaded (non-POSIX) scheduling mode: */
41fc71f871SDavid Xu _pthread_suspend_all_np();
4271b3fa15SDavid Xu /*
4371b3fa15SDavid Xu * XXX - Do we want to do this?
4471b3fa15SDavid Xu * __is_threaded = 0;
4571b3fa15SDavid Xu */
4671b3fa15SDavid Xu return (0);
4771b3fa15SDavid Xu }
485a1048c8SDavid Xu
495a1048c8SDavid Xu __strong_reference(_pthread_single_np, pthread_single_np);
50