1: /* Copyright (C) 1991,95,96,97,2002 Free Software Foundation, Inc.
    2:    This file is part of the GNU C Library.
    3: 
    4:    The GNU C Library is free software; you can redistribute it and/or
    5:    modify it under the terms of the GNU Lesser General Public
    6:    License as published by the Free Software Foundation; either
    7:    version 2.1 of the License, or (at your option) any later version.
    8: 
    9:    The GNU C Library is distributed in the hope that it will be useful,
   10:    but WITHOUT ANY WARRANTY; without even the implied warranty of
   11:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   12:    Lesser General Public License for more details.
   13: 
   14:    You should have received a copy of the GNU Lesser General Public
   15:    License along with the GNU C Library; if not, write to the Free
   16:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   17:    02111-1307 USA.  */
   18: 
   19: #include <errno.h>
   20: #include <unistd.h>
   21: 
   22: /* Schedule an alarm.  In SECONDS seconds, the process will get a SIGALRM.
   23:    If SECONDS is zero, any currently scheduled alarm will be cancelled.
   24:    The function returns the number of seconds remaining until the last
   25:    alarm scheduled would have signaled, or zero if there wasn't one.
   26:    There is no return value to indicate an error, but you can set `errno'
   27:    to 0 and check its value after calling `alarm', and this might tell you.
   28:    The signal may come late due to processor scheduling.  */
   29: unsigned int
   30: alarm (seconds)
   31:      unsigned int seconds;
   32: {
   33:   __set_errno (ENOSYS);
   34:   return 0;
   35: }
   36: libc_hidden_def (alarm)
   37: 
   38: stub_warning (alarm)
   39: #include <stub-tag.h>