diff options
Diffstat (limited to 'sysdeps/generic/alarm.c')
-rw-r--r-- | sysdeps/generic/alarm.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/sysdeps/generic/alarm.c b/sysdeps/generic/alarm.c new file mode 100644 index 0000000..0f43029 --- /dev/null +++ b/sysdeps/generic/alarm.c @@ -0,0 +1,39 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#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 +alarm (seconds) + unsigned int seconds; +{ + __set_errno (ENOSYS); + return 0; +} + + +stub_warning (alarm) +#include <stub-tag.h> |