| /* Copyright (C) 1991-2016 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 Lesser General Public | 
 |    License as published by the Free Software Foundation; either | 
 |    version 2.1 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 | 
 |    Lesser General Public License for more details. | 
 |  | 
 |    You should have received a copy of the GNU Lesser General Public | 
 |    License along with the GNU C Library; if not, see | 
 |    <http://www.gnu.org/licenses/>.  */ | 
 |  | 
 | #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 | 
 | __sleep (unsigned int seconds) | 
 | { | 
 |   __set_errno (ENOSYS); | 
 |   return seconds; | 
 | } | 
 | weak_alias (__sleep, sleep) | 
 |  | 
 | stub_warning (sleep) |