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74 lines
2.2 KiB
C
74 lines
2.2 KiB
C
/* Implement timing-related runtime actions for CHILL.
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Copyright (C) 1992,1993 Free Software Foundation, Inc.
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Author: Wilfried Moser
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* As a special exception, if you link this library with other files,
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some of which are compiled with GCC, to produce an executable,
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this library does not by itself cause the resulting executable
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to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why
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the executable file might be covered by the GNU General Public License. */
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#include "rtltypes.h"
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#include "rts.h"
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EXCEPTION (cyclefail);
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/*
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* function __check_cycle
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*
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* parameters:
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* t pointer to initial time
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* dur duration
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* filename filename of call
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* lineno linenumber of call
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*
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* returns:
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* void
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*
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* exceptions:
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* cyclefail
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*
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* abstract:
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* Function checks if cycle is possible (there is time left) and wait the
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* remaining time.
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*
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*/
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extern int __remaintime (RtsTime *since, unsigned long dur, RtsTime *remain);
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extern int __cause_ex1 (char *ex, char *file, int lineno);
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void
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__check_cycle (t, dur, fname, lineno)
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RtsTime *t;
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unsigned long dur;
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char *fname;
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int lineno;
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{
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RtsTime remain;
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if (__remaintime (t, dur, &remain) != 0)
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/* no time left -- cause exception */
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__cause_ex1 ("cyclefail", fname, lineno);
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/* delay the process */
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__delay_this (wait_wait, &remain, fname, lineno);
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}
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