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
| // RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t 2>&1 | FileCheck %s
|
| // Longjmp assembly has not been implemented for mips64 yet
| // XFAIL: mips64
|
| #include <pthread.h>
| #include <stdio.h>
| #include <stdlib.h>
| #include <setjmp.h>
| #include <string.h>
|
| void bar(jmp_buf env) {
| volatile int x = 42;
| jmp_buf env2;
| memcpy(env2, env, sizeof(jmp_buf));
| longjmp(env2, 42);
| x++;
| }
|
| void foo(jmp_buf env) {
| volatile int x = 42;
| bar(env);
| x++;
| }
|
| void badguy() {
| pthread_mutex_t mtx;
| pthread_mutex_init(&mtx, 0);
| pthread_mutex_lock(&mtx);
| pthread_mutex_destroy(&mtx);
| }
|
| void mymain() {
| jmp_buf env;
| if (setjmp(env) == 42) {
| badguy();
| return;
| }
| foo(env);
| fprintf(stderr, "FAILED\n");
| }
|
| int main() {
| volatile int x = 42;
| mymain();
| return x;
| }
|
| // CHECK-NOT: FAILED
| // CHECK: WARNING: ThreadSanitizer: destroy of a locked mutex
| // CHECK: #0 pthread_mutex_destroy
| // CHECK: #1 badguy
| // CHECK: #2 mymain
| // CHECK: #3 main
|
|
