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Diffstat (limited to 'posix/alarm.c')
-rw-r--r-- | posix/alarm.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/posix/alarm.c b/posix/alarm.c new file mode 100644 index 0000000..1f0cceb --- /dev/null +++ b/posix/alarm.c @@ -0,0 +1,39 @@ +/* Copyright (C) 1991,95,96,97,2002 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, 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; +} +libc_hidden_def (alarm) + +stub_warning (alarm) +#include <stub-tag.h> |