| 1 | // RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
|---|
| 2 | |
|---|
| 3 | #include "test.h" |
|---|
| 4 | |
|---|
| 5 | int *mem; |
|---|
| 6 | |
|---|
| 7 | void *Thread(void *x) { |
|---|
| 8 | mem[0] = 42; |
|---|
| 9 | barrier_wait(barrier: &barrier); |
|---|
| 10 | return NULL; |
|---|
| 11 | } |
|---|
| 12 | |
|---|
| 13 | int main() { |
|---|
| 14 | barrier_init(barrier: &barrier, count: 2); |
|---|
| 15 | mem = (int*)malloc(size: 100); |
|---|
| 16 | pthread_t t; |
|---|
| 17 | pthread_create(newthread: &t, attr: 0, start_routine: Thread, arg: 0); |
|---|
| 18 | barrier_wait(barrier: &barrier); |
|---|
| 19 | free(ptr: mem); |
|---|
| 20 | pthread_join(th: t, NULL); |
|---|
| 21 | return 0; |
|---|
| 22 | } |
|---|
| 23 | |
|---|
| 24 | // CHECK: WARNING: ThreadSanitizer: data race |
|---|
| 25 | // CHECK: Write of size 8 at {{.*}} by main thread{{.*}}: |
|---|
| 26 | // CHECK: #0 free |
|---|
| 27 | // CHECK: #{{(1|2)}} main |
|---|
| 28 | // CHECK: Previous write of size 4 at {{.*}} by thread T1{{.*}}: |
|---|
| 29 | // CHECK: #0 Thread |
|---|
| 30 | |
|---|
