52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/* Copyright (C) 1999, 2000 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 <sys/time.h>
|
|
|
|
|
|
#ifndef EXTRA_CLOCK_CASES
|
|
# define EXTRA_CLOCK_CASES
|
|
#endif
|
|
|
|
/* Get current value of CLOCK and store it in TP. */
|
|
int
|
|
clock_gettime (clockid_t clock_id, struct timespec *tp)
|
|
{
|
|
struct timeval tv;
|
|
int retval = -1;
|
|
|
|
switch (clock_id)
|
|
{
|
|
case CLOCK_REALTIME:
|
|
retval = gettimeofday (&tv, NULL);
|
|
if (retval == 0)
|
|
/* Convert into `timespec'. */
|
|
TIMEVAL_TO_TIMESPEC (&tv, tp);
|
|
break;
|
|
|
|
EXTRA_CLOCK_CASES
|
|
|
|
default:
|
|
__set_errno (EINVAL);
|
|
break;
|
|
}
|
|
|
|
return retval;
|
|
}
|