1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
8 void *Thread1(void *x) {
9 barrier_wait(&barrier);
10 pthread_mutex_lock(&mtx1);
11 pthread_mutex_lock(&mtx2);
13 pthread_mutex_unlock(&mtx2);
14 pthread_mutex_unlock(&mtx1);
18 void *Thread2(void *x) {
20 barrier_wait(&barrier);
25 barrier_init(&barrier, 2);
26 // CHECK: WARNING: ThreadSanitizer: data race
27 // CHECK: Write of size 4 at {{.*}} by thread T1
28 // CHECK: (mutexes: write [[M1:M[0-9]+]], write [[M2:M[0-9]+]]):
29 // CHECK: Previous write of size 4 at {{.*}} by thread T2:
30 // CHECK: Mutex [[M1]] (0x{{.*}}) created at:
31 // CHECK: #0 pthread_mutex_init
32 // CHECK: #1 main {{.*}}mutexset3.cc:[[@LINE+4]]
33 // CHECK: Mutex [[M2]] (0x{{.*}}) created at:
34 // CHECK: #0 pthread_mutex_init
35 // CHECK: #1 main {{.*}}mutexset3.cc:[[@LINE+2]]
36 pthread_mutex_init(&mtx1, 0);
37 pthread_mutex_init(&mtx2, 0);
39 pthread_create(&t[0], NULL, Thread1, NULL);
40 pthread_create(&t[1], NULL, Thread2, NULL);
41 pthread_join(t[0], NULL);
42 pthread_join(t[1], NULL);
43 pthread_mutex_destroy(&mtx1);
44 pthread_mutex_destroy(&mtx2);