diff options
Diffstat (limited to 'sysdeps/unix/sysv/aix/gettimeofday.c')
| -rw-r--r-- | sysdeps/unix/sysv/aix/gettimeofday.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/sysdeps/unix/sysv/aix/gettimeofday.c b/sysdeps/unix/sysv/aix/gettimeofday.c deleted file mode 100644 index 34a92eb391..0000000000 --- a/sysdeps/unix/sysv/aix/gettimeofday.c +++ /dev/null @@ -1,98 +0,0 @@ -/* 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) |