1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
9 void *Thread1(void *x) {
10 pthread_mutex_lock(&mtx);
12 pthread_mutex_unlock(&mtx);
16 void *Thread2(void *x) {
23 // CHECK: WARNING: ThreadSanitizer: data race
24 // CHECK: Write of size 4 at {{.*}} by thread T2:
25 // CHECK: Previous write of size 4 at {{.*}} by thread T1
26 // CHECK: (mutexes: write [[M1:M[0-9]+]]):
27 // CHECK: Mutex [[M1]] (0x{{.*}}) created at:
28 // CHECK: #0 pthread_mutex_init
29 // CHECK: #1 main {{.*}}/mutexset2.cc:[[@LINE+1]]
30 pthread_mutex_init(&mtx, 0);
32 pthread_create(&t[0], NULL, Thread1, NULL);
33 pthread_create(&t[1], NULL, Thread2, NULL);
34 pthread_join(t[0], NULL);
35 pthread_join(t[1], NULL);
36 pthread_mutex_destroy(&mtx);