37 lines · cpp
1// RUN: %clangxx_tsan %darwin_min_target_with_tls_support -O1 %s -o %t && \2// RUN: %deflake %run %t | \3// RUN: FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK4#include "test.h"5 6void *Thread2(void *a) {7 barrier_wait(&barrier);8 *(int*)a = 43;9 return 0;10}11 12void *Thread(void *a) {13 static __thread int Var = 42;14 pthread_t t;15 pthread_create(&t, 0, Thread2, &Var);16 Var = 42;17 barrier_wait(&barrier);18 pthread_join(t, 0);19 return 0;20}21 22int main() {23 barrier_init(&barrier, 2);24 pthread_t t;25 pthread_create(&t, 0, Thread, 0);26 pthread_join(t, 0);27 fprintf(stderr, "DONE\n");28 return 0;29}30 31// CHECK: WARNING: ThreadSanitizer: data race32// CHECK-Linux: Location is TLS of thread T1.33// CHECK-FreeBSD: Location is TLS of thread T1.34// CHECK-NetBSD: Location is TLS of thread T1.35// CHECK-Darwin: Location is heap block of size 436// CHECK: DONE37