glibc/sysdeps/generic/abort.c

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1995-02-18 01:27:10 +00:00
/* Copyright (C) 1991, 1993, 1995 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 <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
/* Cause an abnormal program termination with core-dump. */
void
DEFUN_VOID(abort)
{
sigset_t sigs;
if (__sigemptyset(&sigs) == 0 &&
__sigaddset(&sigs, SIGABRT) == 0)
(void) __sigprocmask(SIG_UNBLOCK, &sigs, (sigset_t *) NULL);
while (1)
if (raise (SIGABRT))
/* If we can't signal ourselves, exit. */
_exit (127);
/* If we signal ourselves and are still alive,
or can't exit, loop forever. */
}