63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
/* Copyright (C) 1991 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <ansidecl.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <signal.h>
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/* Cause an abnormal program termination with core-dump. */
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__NORETURN
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void
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DEFUN_VOID(abort)
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{
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sig_atomic_t aborting = 0;
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sigset_t sigs;
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if (__sigemptyset(&sigs) == 0 &&
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__sigaddset(&sigs, SIGABRT) == 0)
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(void) __sigprocmask(SIG_UNBLOCK, &sigs, (sigset_t *) NULL);
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if (!aborting)
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{
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aborting = 1;
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#ifdef HAVE_GNU_LD
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{
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extern unsigned long int __libc_atexit[];
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register unsigned long int i;
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for (i = 1; i <= __libc_atexit[0]; ++i)
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(*(void EXFUN((*), (NOARGS))) __libc_atexit[i])();
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}
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#else
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{
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extern void EXFUN(_cleanup, (NOARGS));
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_cleanup();
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}
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#endif
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}
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while (1)
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if (raise(SIGABRT))
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/* If we can't signal ourselves, exit. */
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_exit(127);
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/* If we signal ourselves and are still alive,
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or can't exit, loop forever. */
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}
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