sys_sched.c revision 1.4 1 1.4 dsl /* $NetBSD: sys_sched.c,v 1.4 2007/12/20 23:03:11 dsl Exp $ */
2 1.1 ad
3 1.1 ad /*-
4 1.1 ad * Copyright (c) 2007 The NetBSD Foundation, Inc.
5 1.1 ad * All rights reserved.
6 1.1 ad *
7 1.1 ad * Redistribution and use in source and binary forms, with or without
8 1.1 ad * modification, are permitted provided that the following conditions
9 1.1 ad * are met:
10 1.1 ad * 1. Redistributions of source code must retain the above copyright
11 1.1 ad * notice, this list of conditions and the following disclaimer.
12 1.1 ad * 2. Redistributions in binary form must reproduce the above copyright
13 1.1 ad * notice, this list of conditions and the following disclaimer in the
14 1.1 ad * documentation and/or other materials provided with the distribution.
15 1.1 ad * 3. All advertising materials mentioning features or use of this software
16 1.1 ad * must display the following acknowledgement:
17 1.1 ad * This product includes software developed by the NetBSD
18 1.1 ad * Foundation, Inc. and its contributors.
19 1.1 ad * 4. Neither the name of The NetBSD Foundation nor the names of its
20 1.1 ad * contributors may be used to endorse or promote products derived
21 1.1 ad * from this software without specific prior written permission.
22 1.1 ad *
23 1.1 ad * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
24 1.1 ad * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
25 1.1 ad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26 1.1 ad * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
27 1.1 ad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 1.1 ad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 1.1 ad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 1.1 ad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 1.1 ad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 1.1 ad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 1.1 ad * POSSIBILITY OF SUCH DAMAGE.
34 1.1 ad */
35 1.1 ad
36 1.1 ad #include <sys/cdefs.h>
37 1.4 dsl __KERNEL_RCSID(0, "$NetBSD: sys_sched.c,v 1.4 2007/12/20 23:03:11 dsl Exp $");
38 1.1 ad
39 1.1 ad #include <sys/param.h>
40 1.1 ad #include <sys/systm.h>
41 1.1 ad #include <sys/proc.h>
42 1.1 ad #include <sys/syscallargs.h>
43 1.1 ad
44 1.1 ad int
45 1.4 dsl sys_sched_yield(struct lwp *l, const void *v, register_t *retval)
46 1.1 ad {
47 1.1 ad
48 1.1 ad yield();
49 1.1 ad return 0;
50 1.1 ad }
51