468946739b
2001-03-29 Michael Keezer <mkeezer@redhat.com> * posix/tst-gnuglob.c: Added ifdef _DIRENT_HAVE_D_TYPE. * login/tst-utmp.c: Handle case where ut_tv is not available but ut_time is. * sysdeps/unix/sysv/aix/utmpx.h: New file. * sysdeps/unix/sysv/aix/bits/utmpx.h: Added _HAVE_UT_TYPE/PID/ID/TV/HOST defines. * sysdeps/unix/sysv/aix/libc-start.c: Removed temp code and made stub. * sysdeps/unix/sysv/aix/gettimeofday.c: New file added routines to access RTCU timer reg. * sysdeps/unix/sysv/aix/Makefile: Remove /usr/lib/crt0.o added dl-libc, dl-open,dl-sym, dl-close to misc. * sysdeps/unix/sysv/aix/start.c: New file. Start code. * sysdeps/unix/sysv/aix/dlldr.h: New file. AIX __loadx defines. * sysdeps/unix/sysv/aix/dl-close.c: New file. AIX dl-close. * sysdeps/unix/sysv/aix/dl-open.c: New file. AIX dl-open. * sysdeps/unix/sysv/aix/dl-sym.c: New file. AIX dl-sym. * sysdeps/unix/sysv/aix/dl-libc.c: New file. libc_dl-xxx support. * sysdeps/generic/strtoll.c: Added SHLIB_COMPAT(libc,GLIBC_2_0, GLIBC_2_2). * sysdeps/generic/strtoull.c: Likewise. * sysdeps/powerpc/ppc-mcount.S: Added nop after bl instruction. * sysdeps/unix/sysv/aix/powerpc/memset.c: New file to include sysdeps/generic/memset.c. * sysdeps/unix/sysv/aix/getpeername.c: Define __getpeername.
95 lines
2.7 KiB
C
95 lines
2.7 KiB
C
/* Copyright (C) 1991, 92, 94, 95, 96, 97 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <time.h>
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#include <sys/time.h>
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#ifndef HAVE_GNU_LD
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#define __daylight daylight
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#define __timezone timezone
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#define __tzname tzname
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#endif
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/* Assembler Routines to access the timer registers */
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asm("
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.rtc_upper: mfspr 3,4 # copy RTCU to return register
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blr
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.rtc_lower: mfspr 3,5 # copy RTCL to return register
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blr
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");
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/* Get the current time of day and timezone information,
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putting it into *TV and *TZ. If TZ is NULL, *TZ is not filled.
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Returns 0 on success, -1 on errors. */
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int
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__gettimeofday (tv, tz)
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struct timeval *tv;
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struct timezone *tz;
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{
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int ts, tl, tu;
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if (tv == NULL)
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{
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__set_errno (EINVAL);
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return -1;
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}
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ts = rtc_upper(); /* seconds */
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tl = rtc_lower(); /* nanoseconds */
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tu = rtc_upper(); /* Check for a carry from */
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if (ts != tu) /* the lower reg to the upper */
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tl = rtc_lower(); /* Recover from the race condition */
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tv->tv_sec = (long int) (tu + (double)tl/1000000000);
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tv->tv_usec = (long int) ((double)tl/1000);
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#if 0
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if (tz != NULL)
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{
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const time_t timer = tv->tv_sec;
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struct tm tm;
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const struct tm *tmp;
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const long int save_timezone = __timezone;
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const long int save_daylight = __daylight;
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char *save_tzname[2];
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save_tzname[0] = __tzname[0];
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save_tzname[1] = __tzname[1];
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tmp = localtime_r (&timer, &tm);
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tz->tz_minuteswest = __timezone / 60;
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tz->tz_dsttime = __daylight;
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__timezone = save_timezone;
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__daylight = save_daylight;
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__tzname[0] = save_tzname[0];
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__tzname[1] = save_tzname[1];
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if (tmp == NULL)
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return -1;
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}
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#endif
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return 0;
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}
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weak_alias (__gettimeofday, gettimeofday)
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