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/* 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 "rtltypes.h"
#include "rts.h"
EXCEPTION (cyclefail);
/*
* function __check_cycle
*
* parameters:
* t pointer to initial time
* dur duration
* filename filename of call
* lineno linenumber of call
*
* returns:
* void
*
* exceptions:
* cyclefail
*
* abstract:
* Function checks if cycle is possible (there is time left) and wait the
* remaining time.
*
*/
extern int __remaintime (RtsTime *since, unsigned long dur, RtsTime *remain);
extern int __cause_ex1 (char *ex, char *file, int lineno);
void
__check_cycle (t, dur, fname, lineno)
RtsTime *t;
unsigned long dur;
char *fname;
int lineno;
{
RtsTime remain;
if (__remaintime (t, dur, &remain) != 0)
/* no time left -- cause exception */
__cause_ex1 ("cyclefail", fname, lineno);
/* delay the process */
__delay_this (wait_wait, &remain, fname, lineno);
}
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