linuxthreads/sysdeps/unix/sysv/linux/i386/getcpuclockid.c

   1 /* Copyright (C) 2000 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public License as
   6    published by the Free Software Foundation; either version 2 of the
   7    License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  16    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17    Boston, MA 02111-1307, USA.  */
  18
  19 #include <errno.h>
  20 #include <pthread.h>
  21 #include <unistd.h>
  22 #include <sys/time.h>
  23
  24 #include <internals.h>
  25
  26 int
  27 pthread_getcpuclockid (pthread_t thread_id, clockid_t *clock_id)
  28 {
  29   /* We don't allow any process ID but our own.  */
  30   if (thread_handle (thread_id) != thread_self ())
  31     return EPERM;
  32
  33   /* Store the number.  */
  34   *clock_id = CLOCK_THREAD_CPUTIME_ID;
  35
  36   return 0;
  37 }