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-rw-r--r--libchill/waituntil.c82
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diff --git a/libchill/waituntil.c b/libchill/waituntil.c
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index 2245a81809a..00000000000
--- a/libchill/waituntil.c
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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, 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 (timerfail);
-
-/*
- * function __wait_until
- *
- * parameters:
- * abstime absolute time value
- * filename
- * linenumber
- *
- * returns:
- * int 0 on success, 1 on failure
- *
- * exceptions:
- * timerfail
- *
- * abstract:
- * check for given argument is valid, calculate how long to wait in
- * seconds and call os to do it.
- *
- */
-
-int
-__wait_until (abstime, filename, linenumber)
- unsigned long abstime;
- char *filename;
- int linenumber;
-{
- RtsTime now, delta, abs_rtstime;
-
- /* get current time */
- __rtstime (&now);
-
- abs_rtstime.secs = abstime;
- abs_rtstime.nanosecs = 0;
-
- if (abs_rtstime.nanosecs < now.nanosecs)
- {
- abs_rtstime.secs--;
- abs_rtstime.nanosecs += 1000000000;
- }
-
- delta.secs = abs_rtstime.secs - now.secs;
- delta.nanosecs = abs_rtstime.nanosecs - now.nanosecs;
-
- if (delta.secs > abs_rtstime.secs)
- /* cannot wait into past */
- return 1;
-
- return __delay_this (wait_wait, &delta, filename, linenumber) == 1 ? 0 : 1;
-}