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Diffstat (limited to 'sysdeps/unix/bsd/alarm.c')
-rw-r--r-- | sysdeps/unix/bsd/alarm.c | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/sysdeps/unix/bsd/alarm.c b/sysdeps/unix/bsd/alarm.c deleted file mode 100644 index 7743256a09..0000000000 --- a/sysdeps/unix/bsd/alarm.c +++ /dev/null @@ -1,43 +0,0 @@ -/* Copyright (C) 1991, 1992, 1994 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 <unistd.h> -#include <sys/time.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 -DEFUN(alarm, (seconds), unsigned int seconds) -{ - struct itimerval old, new; - - new.it_interval.tv_usec = 0; - new.it_interval.tv_sec = 0; - new.it_value.tv_usec = 0; - new.it_value.tv_sec = (long int) seconds; - if (__setitimer(ITIMER_REAL, &new, &old) < 0) - return 0; - - return (old.it_value.tv_sec + (old.it_value.tv_usec + 999999) / 1000000); -} |