mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-21 08:03:41 +08:00
b79f73df6a
* Makefile.in Revamped due to move. Add multilib support.
* configure.in: Similarly. Use autoconf.
* powerset.h: Do not depend on BITS_PER_UNIT.
From-SVN: r22238
84 lines
2.3 KiB
C
84 lines
2.3 KiB
C
/* Implement timing-related runtime actions for CHILL.
|
|
Copyright (C) 1992,1993 Free Software Foundation, Inc.
|
|
Author: Wilfried Moser
|
|
|
|
This file is part of GNU CC.
|
|
|
|
GNU CC is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2, or (at your option)
|
|
any later version.
|
|
|
|
GNU CC 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with GNU CC; see the file COPYING. If not, write to
|
|
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|
|
|
#include "rts.h"
|
|
|
|
/*
|
|
* function __remaintime
|
|
*
|
|
* parameters:
|
|
* since pointer to the initial RtsTime
|
|
* dur the duration value
|
|
* t pointer to the remaining RtsTime
|
|
*
|
|
* returns:
|
|
* int 0 .. there is a remaining time
|
|
* 1 .. there is no remaining time
|
|
*
|
|
* exceptions:
|
|
* none
|
|
*
|
|
* abstract:
|
|
* This function writes to t the remaining duration value in RtsTime format
|
|
* from a given start (since) and the current RtsTime.
|
|
*
|
|
*/
|
|
|
|
extern void __convert_duration_rtstime (unsigned long dur, RtsTime *t);
|
|
|
|
int
|
|
__remaintime (since, dur, t)
|
|
RtsTime *since;
|
|
unsigned long dur;
|
|
RtsTime *t;
|
|
{
|
|
RtsTime now, dur_in_rtstime, tmp, diff;
|
|
|
|
__rtstime (&now);
|
|
__convert_duration_rtstime (dur, &dur_in_rtstime);
|
|
|
|
tmp.secs = since->secs;
|
|
tmp.nanosecs = since->nanosecs;
|
|
|
|
/* calculate the difference of absolute times */
|
|
if (tmp.nanosecs > now.nanosecs)
|
|
{
|
|
tmp.secs--;
|
|
tmp.nanosecs += 1000000000;
|
|
}
|
|
diff.secs = now.secs - tmp.secs;
|
|
diff.nanosecs = now.nanosecs - tmp.nanosecs;
|
|
|
|
/* substract diff from duration */
|
|
if (diff.nanosecs > dur_in_rtstime.nanosecs)
|
|
{
|
|
dur_in_rtstime.secs--;
|
|
dur_in_rtstime.nanosecs += 1000000000;
|
|
}
|
|
|
|
t->secs = dur_in_rtstime.secs - diff.secs;
|
|
t->nanosecs = dur_in_rtstime.nanosecs - diff.nanosecs;
|
|
|
|
if (t->secs > dur_in_rtstime.secs)
|
|
return 1;
|
|
else
|
|
return 0;
|
|
}
|