1 /*
2  * Copyright (C) 2019 The Android Open Source Project
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *  * Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  *  * Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in
12  *    the documentation and/or other materials provided with the
13  *    distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 // Prevent tests from being compiled with glibc because thread_properties.h
30 // only exists in Bionic.
31 #if defined(__BIONIC__)
32 
33 #include <stdio.h>
34 #include <sys/thread_properties.h>
35 
36 // Helper binary for testing thread_exit_cb registration.
37 
exit_cb_1()38 void exit_cb_1() {
39   printf("exit_cb_1 called ");
40 }
41 
exit_cb_2()42 void exit_cb_2() {
43   printf("exit_cb_2 called ");
44 }
45 
exit_cb_3()46 void exit_cb_3() {
47   printf("exit_cb_3 called");
48 }
49 
test_register_thread_exit_cb()50 void test_register_thread_exit_cb() {
51   // Register the exit-cb in reverse order (3,2,1)
52   // so that they'd be called in 1,2,3 order.
53   __libc_register_thread_exit_callback(&exit_cb_3);
54   __libc_register_thread_exit_callback(&exit_cb_2);
55   __libc_register_thread_exit_callback(&exit_cb_1);
56 }
57 
main()58 int main() {
59   test_register_thread_exit_cb();
60   return 0;
61 }
62 #else
main()63 int main() {
64   return 0;
65 }
66 #endif  // __BIONIC__
67