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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /sysdeps/generic/abort.c
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diff --git a/sysdeps/generic/abort.c b/sysdeps/generic/abort.c
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+/* 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. */
+}