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authorcvs2svn <admin@example.com>2025-04-14 17:32:06 +0000
committercvs2svn <admin@example.com>2025-04-14 17:32:06 +0000
commiteb8dd9dca1228af0cd132f515509051ecfabf6f6 (patch)
treeedb6da6af7e865d488dc1a29309f1e1ec226e603 /src/lib/libc/stdlib/abort.c
parent247f0352e0ed72a4f476db9dc91f4d982bc83eb2 (diff)
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This commit was manufactured by cvs2git to create tag 'tb_20250414'.tb_20250414
Diffstat (limited to 'src/lib/libc/stdlib/abort.c')
-rw-r--r--src/lib/libc/stdlib/abort.c64
1 files changed, 0 insertions, 64 deletions
diff --git a/src/lib/libc/stdlib/abort.c b/src/lib/libc/stdlib/abort.c
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1/* $OpenBSD: abort.c,v 1.21 2017/08/12 22:59:52 guenther Exp $ */
2/*
3 * Copyright (c) 1985 Regents of the University of California.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of the University nor the names of its contributors
15 * may be used to endorse or promote products derived from this software
16 * without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31#include <signal.h>
32#include <stdlib.h>
33#include <string.h>
34#include <unistd.h>
35
36
37void
38abort(void)
39{
40 sigset_t mask;
41 struct sigaction sa;
42
43 sigfillset(&mask);
44 /*
45 * don't block SIGABRT to give any handler a chance; we ignore
46 * any errors -- X311J doesn't allow abort to return anyway.
47 */
48 sigdelset(&mask, SIGABRT);
49 (void)sigprocmask(SIG_SETMASK, &mask, NULL);
50
51 (void)raise(SIGABRT);
52
53 /*
54 * if SIGABRT ignored, or caught and the handler returns, do
55 * it again, only harder.
56 */
57 memset(&sa, 0, sizeof(sa));
58 sa.sa_handler = SIG_DFL;
59 (void)sigaction(SIGABRT, &sa, NULL);
60 (void)sigprocmask(SIG_SETMASK, &mask, NULL);
61 (void)raise(SIGABRT);
62 _exit(1);
63}
64DEF_STRONG(abort);