newlib-cygwin/newlib/libc/sys/linux/linuxthreads/getcpuclockid.c

41 lines
1.3 KiB
C

/* 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
}