about summary refs log tree commit diff
path: root/linuxthreads/sysdeps/pthread/getcpuclockid.c
blob: 76d39a5de462c43b86b070c76534e3917aabf84a (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
/* 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 Library General Public License as
   published by the Free Software Foundation; either version 2 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include <errno.h>
#include <pthread.h>
#include <sys/time.h>
#include <internals.h>

int
pthread_getcpuclockid (pthread_t thread_id, clockid_t *clock_id)
{
  /* We don't allow any process ID but our own.  */
  if (thread_handle (thread_id)->h_descr != thread_self ())
    return EPERM;

#ifdef CLOCK_THREAD_CPUTIME_ID
  /* Store the number.  */
  *clock_id = CLOCK_THREAD_CPUTIME_ID;

  return 0;
#else
  /* We don't have a timer for that.  */
  return ENOENT;
#endif
}