libc/libpthread: Add clock_getcpuclockid() and pthread_getcpuclockid().
[dragonfly.git] / lib / libthread_xu / thread / thr_getcpuclockid.c
blob36d451a962af3caad482d3d7c577894c64384d73
1 /*
2 * Copyright (c) 2008 David Xu <davidxu@freebsd.org>
3 * All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
26 * $FreeBSD: head/lib/libthr/thread/thr_getcpuclockid.c 297706 2016-04-08 11:15:26Z kib $
29 #include "namespace.h"
30 #include <errno.h>
31 #include <pthread.h>
32 #include <sys/time.h>
33 #include "un-namespace.h"
35 #include "thr_private.h"
37 int
38 _pthread_getcpuclockid(pthread_t pthread, clockid_t *clock_id)
40 if (pthread == NULL)
41 return (EINVAL);
43 if (getcpuclockid(getpid(), pthread->tid, clock_id))
44 return (errno);
45 return (0);
48 __strong_reference(_pthread_getcpuclockid, pthread_getcpuclockid);