| /* 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, 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| /* As a special exception, if you link this library with other files, |
| some of which are compiled with GCC, to produce an executable, |
| this library does not by itself cause the resulting executable |
| to be covered by the GNU General Public License. |
| This exception does not however invalidate any other reasons why |
| the executable file might be covered by the GNU General Public License. */ |
| |
| #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); |
| } |