/* Copyright (C) 2000, 2001 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include <errno.h> #include <time.h> #include <unistd.h> int clock_getcpuclockid (pid_t pid, clockid_t *clock_id) { /* We don't allow any process ID but our own. */ if (pid != 0 && pid != getpid ()) return EPERM; #ifdef CLOCK_PROCESS_CPUTIME_ID /* Store the number. */ *clock_id = CLOCK_PROCESS_CPUTIME_ID; return 0; #else /* We don't have a timer for that. */ return ENOENT; #endif }