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- /* 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;
- }
-