1*a7477187SSepherosa Ziehau /*
2*a7477187SSepherosa Ziehau * Copyright (c) 2017 The DragonFly Project. All rights reserved.
3*a7477187SSepherosa Ziehau *
4*a7477187SSepherosa Ziehau * This code is derived from software contributed to The DragonFly Project
5*a7477187SSepherosa Ziehau * by Sepherosa Ziehau <sepherosa@gmail.com>
6*a7477187SSepherosa Ziehau *
7*a7477187SSepherosa Ziehau * Redistribution and use in source and binary forms, with or without
8*a7477187SSepherosa Ziehau * modification, are permitted provided that the following conditions
9*a7477187SSepherosa Ziehau * are met:
10*a7477187SSepherosa Ziehau *
11*a7477187SSepherosa Ziehau * 1. Redistributions of source code must retain the above copyright
12*a7477187SSepherosa Ziehau * notice, this list of conditions and the following disclaimer.
13*a7477187SSepherosa Ziehau * 2. Redistributions in binary form must reproduce the above copyright
14*a7477187SSepherosa Ziehau * notice, this list of conditions and the following disclaimer in
15*a7477187SSepherosa Ziehau * the documentation and/or other materials provided with the
16*a7477187SSepherosa Ziehau * distribution.
17*a7477187SSepherosa Ziehau * 3. Neither the name of The DragonFly Project nor the names of its
18*a7477187SSepherosa Ziehau * contributors may be used to endorse or promote products derived
19*a7477187SSepherosa Ziehau * from this software without specific, prior written permission.
20*a7477187SSepherosa Ziehau *
21*a7477187SSepherosa Ziehau * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22*a7477187SSepherosa Ziehau * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23*a7477187SSepherosa Ziehau * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24*a7477187SSepherosa Ziehau * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25*a7477187SSepherosa Ziehau * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26*a7477187SSepherosa Ziehau * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27*a7477187SSepherosa Ziehau * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28*a7477187SSepherosa Ziehau * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29*a7477187SSepherosa Ziehau * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30*a7477187SSepherosa Ziehau * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31*a7477187SSepherosa Ziehau * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32*a7477187SSepherosa Ziehau * SUCH DAMAGE.
33*a7477187SSepherosa Ziehau */
34*a7477187SSepherosa Ziehau
35*a7477187SSepherosa Ziehau #include <sys/types.h>
36*a7477187SSepherosa Ziehau #include <sys/usched.h>
37*a7477187SSepherosa Ziehau #include <sched.h>
38*a7477187SSepherosa Ziehau
39*a7477187SSepherosa Ziehau int
sched_getcpu(void)40*a7477187SSepherosa Ziehau sched_getcpu(void)
41*a7477187SSepherosa Ziehau {
42*a7477187SSepherosa Ziehau int cpu, ret;
43*a7477187SSepherosa Ziehau
44*a7477187SSepherosa Ziehau ret = usched_set(0, USCHED_GET_CPU, &cpu, sizeof(cpu));
45*a7477187SSepherosa Ziehau if (ret < 0)
46*a7477187SSepherosa Ziehau return (ret);
47*a7477187SSepherosa Ziehau return (cpu);
48*a7477187SSepherosa Ziehau }
49