1 // RUN: %clangxx_tsan %s -o %t
2 // RUN: not %run %t 2>&1 | FileCheck %s
3 // RUN: %env_tsan_opts=detect_deadlocks=1 not %run %t 2>&1 | FileCheck %s
4 // RUN: %env_tsan_opts=detect_deadlocks=0 %run %t 2>&1 | FileCheck %s --check-prefix=DISABLED
5 // RUN: echo "deadlock:main" > %t.supp
6 // RUN: %env_tsan_opts=suppressions='%t.supp' %run %t 2>&1 | FileCheck %s --check-prefix=DISABLED
7 // RUN: echo "deadlock:zzzz" > %t.supp
8 // RUN: %env_tsan_opts=suppressions='%t.supp' not %run %t 2>&1 | FileCheck %s
13 pthread_mutex_t mu1, mu2;
14 pthread_mutex_init(&mu1, NULL);
15 pthread_mutex_init(&mu2, NULL);
18 pthread_mutex_lock(&mu1);
19 pthread_mutex_lock(&mu2);
20 pthread_mutex_unlock(&mu2);
21 pthread_mutex_unlock(&mu1);
24 pthread_mutex_lock(&mu2);
25 pthread_mutex_lock(&mu1);
26 // CHECK: ThreadSanitizer: lock-order-inversion (potential deadlock)
27 // DISABLED-NOT: ThreadSanitizer
29 pthread_mutex_unlock(&mu1);
30 pthread_mutex_unlock(&mu2);
32 pthread_mutex_destroy(&mu1);
33 pthread_mutex_destroy(&mu2);
34 fprintf(stderr, "PASS\n");