45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
|
/* Copyright (C) 1991 Free Software Foundation, Inc.
|
||
|
This file is part of the GNU C Library.
|
||
|
|
||
|
The GNU C Library is free software; you can redistribute it and/or
|
||
|
modify it under the terms of the GNU Library General Public License as
|
||
|
published by the Free Software Foundation; either version 2 of the
|
||
|
License, or (at your option) any later version.
|
||
|
|
||
|
The GNU C Library 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
|
||
|
Library General Public License for more details.
|
||
|
|
||
|
You should have received a copy of the GNU Library General Public
|
||
|
License along with the GNU C Library; see the file COPYING.LIB. If
|
||
|
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
|
||
|
Cambridge, MA 02139, USA. */
|
||
|
|
||
|
#include <ansidecl.h>
|
||
|
#include <errno.h>
|
||
|
#include <unistd.h>
|
||
|
|
||
|
/* Schedule an alarm. In SECONDS seconds, the process will get a SIGALRM.
|
||
|
If SECONDS is zero, any currently scheduled alarm will be cancelled.
|
||
|
The function returns the number of seconds remaining until the last
|
||
|
alarm scheduled would have signaled, or zero if there wasn't one.
|
||
|
There is no return value to indicate an error, but you can set `errno'
|
||
|
to 0 and check its value after calling `alarm', and this might tell you.
|
||
|
The signal may come late due to processor scheduling. */
|
||
|
unsigned int
|
||
|
DEFUN(alarm, (seconds), unsigned int seconds)
|
||
|
{
|
||
|
errno = ENOSYS;
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
|
||
|
#ifdef HAVE_GNU_LD
|
||
|
|
||
|
#include <gnu-stabs.h>
|
||
|
|
||
|
stub_warning(alarm);
|
||
|
|
||
|
#endif /* GNU stabs. */
|