| 1 | // RUN: %clangxx_tsan %darwin_min_target_with_tls_support -O1 %s -o %t && \ |
|---|
| 2 | // RUN: %deflake %run %t | FileCheck %s |
|---|
| 3 | #include "test.h" |
|---|
| 4 | |
|---|
| 5 | int Global; |
|---|
| 6 | __thread int huge[1024*1024]; |
|---|
| 7 | |
|---|
| 8 | void *Thread1(void *x) { |
|---|
| 9 | barrier_wait(barrier: &barrier); |
|---|
| 10 | Global++; |
|---|
| 11 | return NULL; |
|---|
| 12 | } |
|---|
| 13 | |
|---|
| 14 | void *Thread2(void *x) { |
|---|
| 15 | pthread_mutex_t *mtx = new pthread_mutex_t; |
|---|
| 16 | pthread_mutex_init(mutex: mtx, mutexattr: 0); |
|---|
| 17 | pthread_mutex_lock(mutex: mtx); |
|---|
| 18 | Global--; |
|---|
| 19 | pthread_mutex_unlock(mutex: mtx); |
|---|
| 20 | pthread_mutex_destroy(mutex: mtx); |
|---|
| 21 | delete mtx; |
|---|
| 22 | barrier_wait(barrier: &barrier); |
|---|
| 23 | return NULL; |
|---|
| 24 | } |
|---|
| 25 | |
|---|
| 26 | int main() { |
|---|
| 27 | barrier_init(barrier: &barrier, count: 2); |
|---|
| 28 | pthread_t t[2]; |
|---|
| 29 | pthread_create(newthread: &t[0], NULL, start_routine: Thread1, NULL); |
|---|
| 30 | pthread_create(newthread: &t[1], NULL, start_routine: Thread2, NULL); |
|---|
| 31 | pthread_join(th: t[0], NULL); |
|---|
| 32 | pthread_join(th: t[1], NULL); |
|---|
| 33 | } |
|---|
| 34 | |
|---|
| 35 | // CHECK: WARNING: ThreadSanitizer: data race |
|---|
| 36 | // CHECK: Write of size 4 at {{.*}} by thread T1: |
|---|
| 37 | // CHECK: Previous write of size 4 at {{.*}} by thread T2 |
|---|
| 38 | // CHECK: (mutexes: write [[M1:M[0-9]+]]): |
|---|
| 39 | // CHECK: Mutex [[M1]] (0x{{.*}}) created at: |
|---|
| 40 | // CHECK: #0 pthread_mutex_init |
|---|
| 41 | // CHECK: #1 Thread2 |
|---|
| 42 | |
|---|
