summaryrefslogtreecommitdiff
path: root/lib/libpthread/stdlib/abort.c
blob: e9892bc554c7d323e056cf0d7df00fce905ba3c4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
/*
 * Copyright (c) 1985 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#if defined(LIBC_SCCS) && !defined(lint)
/*static char *sccsid = "from: @(#)abort.c	5.11 (Berkeley) 2/23/91";*/
static char *rcsid = "$Id: abort.c,v 1.1 1998/07/21 13:22:19 peter Exp $";
#endif /* LIBC_SCCS and not lint */

#include <pthread.h>
#include <signal.h>
#include <stdlib.h>
#include <stddef.h>
#include <unistd.h>

void
abort()
{
	sigset_t mask;

	sigfillset(&mask);
	/*
	 * don't block SIGABRT to give any handler a chance; we ignore
	 * any errors -- X3J11 doesn't allow abort to return anyway.
	 */
	sigdelset(&mask, SIGABRT);
	pthread_sigmask(SIG_SETMASK, &mask, NULL);
	kill(getpid(), SIGABRT);

	/*
	 * if SIGABRT ignored, or caught and the handler returns, do
	 * it again, only harder.
	 */
	pthread_signal(SIGABRT, SIG_DFL);
	pthread_sigmask(SIG_SETMASK, &mask, NULL);
	kill(getpid(), SIGABRT);
	exit(1);
}