1 /* $OpenBSD: clock_getcpuclockid.c,v 1.1 2013/06/17 19:11:54 guenther Exp $ */
2 /*
3 * Copyright (c) 2013 Philip Guenther <guenther@openbsd.org>
4 * All Rights Reserved.
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include <time.h>
20 #include <unistd.h>
21 #include <errno.h>
22
23 int
clock_getcpuclockid(pid_t pid,clockid_t * clock_id)24 clock_getcpuclockid(pid_t pid, clockid_t *clock_id)
25 {
26 if (pid != 0 && pid != getpid())
27 return (EPERM);
28
29 *clock_id = CLOCK_PROCESS_CPUTIME_ID;
30 return (0);
31 }
32