mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-21 10:20:06 +00:00
669ed63814
2002-08-28 Ulrich Drepper <drepper@redhat.com> * sysdeps/s390/s390-64/dl-machine.h: Avoid unescaped newlines in string constants. * sysdeps/sparc/sparc32/dl-machine.h: Likewise. * sysdeps/arm/dl-machine.h: Likewise. * sysdeps/cris/dl-machine.h: Likewise. * sysdeps/unix/sysv/linux/m68k/register-dump.h: Likewise. * sysdeps/unix/sysv/aix/gettimeofday.c: Likewise.
99 lines
2.7 KiB
C
99 lines
2.7 KiB
C
/* Copyright (C) 1991,92,94,95,96,97,2001,2002 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 Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <errno.h>
|
|
#include <time.h>
|
|
#include <sys/time.h>
|
|
|
|
#ifndef HAVE_GNU_LD
|
|
# define __daylight daylight
|
|
# define __timezone timezone
|
|
# define __tzname tzname
|
|
#endif
|
|
|
|
#undef __gettimeofday
|
|
|
|
extern int rtc_upper (void);
|
|
extern int rtc_lower (void);
|
|
|
|
/* Assembler Routines to access the timer registers */
|
|
asm("\n\
|
|
.rtc_upper: mfspr 3,4 # copy RTCU to return register\n\
|
|
blr\n\
|
|
\n\
|
|
.rtc_lower: mfspr 3,5 # copy RTCL to return register\n\
|
|
blr\n\
|
|
");
|
|
|
|
/* Get the current time of day and timezone information,
|
|
putting it into *TV and *TZ. If TZ is NULL, *TZ is not filled.
|
|
Returns 0 on success, -1 on errors. */
|
|
int
|
|
__gettimeofday (tv, tz)
|
|
struct timeval *tv;
|
|
struct timezone *tz;
|
|
{
|
|
int ts, tl, tu;
|
|
|
|
if (tv == NULL)
|
|
{
|
|
__set_errno (EINVAL);
|
|
return -1;
|
|
}
|
|
|
|
ts = rtc_upper (); /* Seconds. */
|
|
tl = rtc_lower (); /* Nanoseconds. */
|
|
tu = rtc_upper (); /* Check for a carry from. */
|
|
if (ts != tu) /* The lower reg to the upper. */
|
|
tl = rtc_lower (); /* Recover from the race condition. */
|
|
|
|
tv->tv_sec = (long int) (tu + (double) tl / 1000000000);
|
|
tv->tv_usec = (long int) ((double) tl / 1000);
|
|
|
|
if (tz != NULL)
|
|
{
|
|
const time_t timer = tv->tv_sec;
|
|
struct tm tm;
|
|
const struct tm *tmp;
|
|
|
|
const long int save_timezone = __timezone;
|
|
const long int save_daylight = __daylight;
|
|
char *save_tzname[2];
|
|
save_tzname[0] = __tzname[0];
|
|
save_tzname[1] = __tzname[1];
|
|
|
|
tmp = localtime_r (&timer, &tm);
|
|
|
|
tz->tz_minuteswest = __timezone / 60;
|
|
tz->tz_dsttime = __daylight;
|
|
|
|
__timezone = save_timezone;
|
|
__daylight = save_daylight;
|
|
__tzname[0] = save_tzname[0];
|
|
__tzname[1] = save_tzname[1];
|
|
|
|
if (tmp == NULL)
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
INTDEF(__gettimeofday)
|
|
weak_alias (__gettimeofday, gettimeofday)
|