1 /*
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (C) 2019 Andrew Gierth
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 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * Though this file is initially distributed under the 2-clause BSD license,
28 * the author grants permission for its redistribution under alternative
29 * licenses as set forth at <https://rhodiumtoad.github.io/RELICENSE.txt>.
30 * This paragraph and the RELICENSE.txt file are not part of the license and
31 * may be omitted in redistributions.
32 */
33
34 #include <stdio.h>
35 #include <stdlib.h>
36 #include <stdarg.h>
37 #include <string.h>
38 #include <unistd.h>
39 #include <pthread.h>
40
41 void mod_main(int op);
42
43 static pthread_t thr;
44
45 static void *
mod_thread(void * ptr __unused)46 mod_thread(void *ptr __unused)
47 {
48 char *volatile dummy;
49
50 dummy = malloc(500);
51 *dummy = 'a';
52 return (NULL);
53 }
54
55 void
mod_main(int op)56 mod_main(int op)
57 {
58 int rc;
59
60 switch (op) {
61 case 1:
62 rc = pthread_create(&thr, NULL, mod_thread, NULL);
63 if (rc != 0)
64 _exit(1);
65 break;
66 case 0:
67 pthread_join(thr, NULL);
68 break;
69 }
70 }
71
72