| // RUN: %clangxx_tsan -O1 %s -o %t && %env_tsan_opts=print_full_thread_history=true %deflake %run %t 2>&1 | FileCheck %s |
| |
| #include "test.h" |
| |
| int Global; |
| |
| void *Thread2(void *x) { |
| barrier_wait(&barrier); |
| Global++; |
| return NULL; |
| } |
| |
| void *Thread3(void *x) { |
| Global--; |
| barrier_wait(&barrier); |
| return NULL; |
| } |
| |
| void *Thread1(void *x) { |
| pthread_t t[2]; |
| pthread_create(&t[0], NULL, Thread2, NULL); |
| pthread_create(&t[1], NULL, Thread3, NULL); |
| pthread_join(t[0], NULL); |
| pthread_join(t[1], NULL); |
| return NULL; |
| } |
| |
| int main() { |
| barrier_init(&barrier, 2); |
| pthread_t t; |
| pthread_create(&t, NULL, Thread1, NULL); |
| pthread_join(t, NULL); |
| return 0; |
| } |
| |
| // CHECK: WARNING: ThreadSanitizer: data race |
| // CHECK: Thread T2 {{.*}} created by thread T1 at |
| // CHECK: Thread T3 {{.*}} created by thread T1 at: |
| // CHECK: Thread T1 {{.*}} created by main thread at: |
| // CHECK: SUMMARY: ThreadSanitizer: data race{{.*}} |