1*db3296cfSderaadt /* $OpenBSD: setjmp.c,v 1.3 2003/07/31 21:48:06 deraadt Exp $ */
2b2ea75c1Sfgsch /*
3b2ea75c1Sfgsch * Copyright (c) 1993, 1994, 1995, 1996 by Chris Provenzano and contributors,
4b2ea75c1Sfgsch * proven@mit.edu All rights reserved.
5b2ea75c1Sfgsch *
6b2ea75c1Sfgsch * Redistribution and use in source and binary forms, with or without
7b2ea75c1Sfgsch * modification, are permitted provided that the following conditions
8b2ea75c1Sfgsch * are met:
9b2ea75c1Sfgsch * 1. Redistributions of source code must retain the above copyright
10b2ea75c1Sfgsch * notice, this list of conditions and the following disclaimer.
11b2ea75c1Sfgsch * 2. Redistributions in binary form must reproduce the above copyright
12b2ea75c1Sfgsch * notice, this list of conditions and the following disclaimer in the
13b2ea75c1Sfgsch * documentation and/or other materials provided with the distribution.
14b2ea75c1Sfgsch * 3. All advertising materials mentioning features or use of this software
15b2ea75c1Sfgsch * must display the following acknowledgement:
16b2ea75c1Sfgsch * This product includes software developed by Chris Provenzano,
17b2ea75c1Sfgsch * the University of California, Berkeley, and contributors.
18b2ea75c1Sfgsch * 4. Neither the name of Chris Provenzano, the University, nor the names of
19b2ea75c1Sfgsch * contributors may be used to endorse or promote products derived
20b2ea75c1Sfgsch * from this software without specific prior written permission.
21b2ea75c1Sfgsch *
22b2ea75c1Sfgsch * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO AND CONTRIBUTORS ``AS IS'' AND
23b2ea75c1Sfgsch * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24b2ea75c1Sfgsch * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25b2ea75c1Sfgsch * ARE DISCLAIMED. IN NO EVENT SHALL CHRIS PROVENZANO, THE REGENTS OR
26b2ea75c1Sfgsch * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
27b2ea75c1Sfgsch * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
28b2ea75c1Sfgsch * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
29b2ea75c1Sfgsch * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
30b2ea75c1Sfgsch * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
31b2ea75c1Sfgsch * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
32b2ea75c1Sfgsch * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33b2ea75c1Sfgsch */
34b2ea75c1Sfgsch
35b2ea75c1Sfgsch #include <setjmp.h>
368445c537Stodd #include <stdlib.h>
37b2ea75c1Sfgsch #include "test.h"
38b2ea75c1Sfgsch
39b2ea75c1Sfgsch int reached;
40b2ea75c1Sfgsch
41*db3296cfSderaadt static void *
_jump(void * arg)42*db3296cfSderaadt _jump(void *arg)
43b2ea75c1Sfgsch {
44b2ea75c1Sfgsch jmp_buf foo;
45b2ea75c1Sfgsch
46b2ea75c1Sfgsch reached = 0;
47b2ea75c1Sfgsch if (_setjmp(foo)) {
48b2ea75c1Sfgsch ASSERT(reached);
49b2ea75c1Sfgsch return NULL;
50b2ea75c1Sfgsch }
51b2ea75c1Sfgsch reached = 1;
52b2ea75c1Sfgsch _longjmp(foo, 1);
53b2ea75c1Sfgsch PANIC("_longjmp");
54b2ea75c1Sfgsch }
55b2ea75c1Sfgsch
56*db3296cfSderaadt static void *
jump(void * arg)57*db3296cfSderaadt jump(void *arg)
58b2ea75c1Sfgsch {
59b2ea75c1Sfgsch jmp_buf foo;
60b2ea75c1Sfgsch
61b2ea75c1Sfgsch reached = 0;
62b2ea75c1Sfgsch if (setjmp(foo)) {
63b2ea75c1Sfgsch ASSERT(reached);
64b2ea75c1Sfgsch return NULL;
65b2ea75c1Sfgsch }
66b2ea75c1Sfgsch reached = 1;
67b2ea75c1Sfgsch longjmp(foo, 1);
68b2ea75c1Sfgsch PANIC("longjmp");
69b2ea75c1Sfgsch }
70b2ea75c1Sfgsch
71b2ea75c1Sfgsch int
main(int argc,char * argv[])72*db3296cfSderaadt main(int argc, char *argv[])
73b2ea75c1Sfgsch {
74b2ea75c1Sfgsch pthread_t child;
75b2ea75c1Sfgsch void *res;
76b2ea75c1Sfgsch
77b2ea75c1Sfgsch printf("jumping in main thread\n");
78b2ea75c1Sfgsch (void)jump(NULL);
79b2ea75c1Sfgsch printf("_jumping in main thread\n");
80b2ea75c1Sfgsch (void)_jump(NULL);
81b2ea75c1Sfgsch
82b2ea75c1Sfgsch printf("jumping in child thread\n");
83b2ea75c1Sfgsch CHECKr(pthread_create(&child, NULL, jump, NULL));
84b2ea75c1Sfgsch CHECKr(pthread_join(child, &res));
85b2ea75c1Sfgsch
86b2ea75c1Sfgsch printf("_jumping in child thread\n");
87b2ea75c1Sfgsch CHECKr(pthread_create(&child, NULL, _jump, NULL));
88b2ea75c1Sfgsch CHECKr(pthread_join(child, &res));
89b2ea75c1Sfgsch
90b2ea75c1Sfgsch SUCCEED;
91b2ea75c1Sfgsch }
92