1 | // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
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2 | #include "test.h" |
3 | #include <pthread.h> |
4 | #include <stdio.h> |
5 | #include <stddef.h> |
6 | |
7 | void *Thread(void *a) { |
8 | ((int*)a)[0]++; |
9 | barrier_wait(&barrier); |
10 | return NULL; |
11 | } |
12 | |
13 | int main() { |
14 | barrier_init(&barrier, 2); |
15 | int *p = new int(42); |
16 | pthread_t t; |
17 | pthread_create(&t, NULL, Thread, p); |
18 | barrier_wait(&barrier); |
19 | p[0]++; |
20 | pthread_join(t, NULL); |
21 | delete p; |
22 | } |
23 | |
24 | // CHECK: WARNING: ThreadSanitizer: data race |
25 |