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* sysdeps/unix/clock_gettime.c: New file.
	* sysdeps/unix/clock_settime.c: New file.
	* sysdeps/posix/clock_getres.c: New file.
This commit is contained in:
Ulrich Drepper 2000-04-10 06:59:44 +00:00
parent 1a8de3e4dc
commit 13fa367696
4 changed files with 170 additions and 0 deletions
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4
ChangeLog
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2000-04-09 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/clock_gettime.c: New file.
* sysdeps/unix/clock_settime.c: New file.
* sysdeps/posix/clock_getres.c: New file.
* conform/data/ftw.h-data: Add allow-header sys/stat.h.
* sysdeps/unix/sysv/linux/getdents.c (__getdents): Avoid initial

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sysdeps/posix/clock_getres.c Normal file
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/* 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 <unistd.h>
#include <sys/time.h>
#ifndef EXTRA_CLOCK_CASES
# define EXTRA_CLOCK_CASES
#endif
/* Get resolution of clock. */
int
clock_getres (clockid_t clock_id, struct timespec *res)
{
int retval;
switch (clock_id)
{
case CLOCK_REALTIME:
{
long int clk_tck = sysconf (_SC_CLK_TCK);
retval = -1;
if (__builtin_expect (clk_tck != -1, 1))
{
/* This implementation assumes that the realtime clock has a
resolution higher than 1 second. This is the case for any
reasonable implementation. */
res->tv_sec = 0;
res->tv_nsec = 1000000000 / clk_tck;
retval = 0;
}
}
break;
EXTRA_CLOCK_CASES
default:
__set_errno (EINVAL);
retval = -1;
break;
}
return retval;
}

52
sysdeps/unix/clock_gettime.c Normal file
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/* 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;
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);
retval = -1;
break;
}
return retval;
}

51
sysdeps/unix/clock_settime.c Normal file
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/* 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
/* Set CLOCK to value TP. */
int
clock_settime (clockid_t clock_id, const struct timespec *tp)
{
struct timeval tv;
int retval;
switch (clock_id)
{
case CLOCK_REALTIME:
TIMESPEC_TO_TIMEVAL (&tv, tp);
retval = settimeofday (&tv, NULL);
break;
EXTRA_CLOCK_CASES
default:
__set_errno (EINVAL);
retval = -1;
break;
}
return retval;
}