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92a42be0 | 1 | // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
1a4d82fc JJ |
2 | #include <pthread.h> |
3 | #include <unistd.h> | |
4 | ||
5 | extern "C" void AnnotateRWLockAcquired(const char *f, int l, void *m, long rw); | |
6 | ||
7 | void *ThreadFunc(void *m) { | |
8 | AnnotateRWLockAcquired(__FILE__, __LINE__, m, 1); | |
9 | return 0; | |
10 | } | |
11 | ||
12 | int main() { | |
13 | int m = 0; | |
14 | AnnotateRWLockAcquired(__FILE__, __LINE__, &m, 1); | |
15 | pthread_t th; | |
16 | pthread_create(&th, 0, ThreadFunc, &m); | |
17 | pthread_join(th, 0); | |
18 | return 0; | |
19 | } | |
20 | ||
21 | // CHECK: WARNING: ThreadSanitizer: double lock of a mutex | |
22 | // CHECK: #0 AnnotateRWLockAcquired | |
23 | // CHECK: #1 ThreadFunc | |
24 | // CHECK: Location is stack of main thread. | |
25 | // CHECK: Mutex {{.*}} created at: | |
26 | // CHECK: #0 AnnotateRWLockAcquired | |
27 | // CHECK: #1 main | |
28 | // CHECK: SUMMARY: ThreadSanitizer: double lock of a mutex {{.*}}mutex_double_lock.cc{{.*}}ThreadFunc | |
29 |