mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-28 03:24:49 +08:00
83 lines
2.3 KiB
C
83 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, 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;
|
|
}
|