glibc/sysdeps/unix/sysv/linux/ia64/clock_getcpuclockid.c
2004-10-04 23:12:07 +00:00

48 lines
1.3 KiB
C

/* Copyright (C) 2000, 2001, 2003, 2004 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>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include "has_cpuclock.c"
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;
int retval = ENOENT;
if (has_cpuclock () > 0)
{
/* Store the number. */
*clock_id = CLOCK_PROCESS_CPUTIME_ID;
retval = 0;
}
return retval;
}