38 lines
1.5 KiB
C
38 lines
1.5 KiB
C
|
/* Copyright (C) 1991, 1992 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 <signal.h>
|
||
|
|
#include <time.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <errno.h>
|
||
|
|
|
||
|
|
/* Make the process sleep for SECONDS seconds, or until a signal arrives
|
||
|
|
and is not ignored. The function returns the number of seconds less
|
||
|
|
than SECONDS which it actually slept (zero if it slept the full time).
|
||
|
|
If a signal handler does a `longjmp' or modifies the handling of the
|
||
|
|
SIGALRM signal while inside `sleep' call, the handling of the SIGALRM
|
||
|
|
signal afterwards is undefined. There is no return value to indicate
|
||
|
|
error, but if `sleep' returns SECONDS, it probably didn't work. */
|
||
|
|
unsigned int
|
||
|
|
DEFUN(sleep, (seconds), unsigned int seconds)
|
||
|
|
{
|
||
|
|
errno = ENOSYS;
|
||
|
|
return seconds;
|
||
|
|
}
|