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 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