forked from OSchip/llvm-project
35 lines
823 B
C++
35 lines
823 B
C++
// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
|
|
#include "test.h"
|
|
|
|
void *Thread2(void *a) {
|
|
barrier_wait(&barrier);
|
|
*(int*)a = 43;
|
|
return 0;
|
|
}
|
|
|
|
void *Thread(void *a) {
|
|
static __thread int Var = 42;
|
|
pthread_t t;
|
|
pthread_create(&t, 0, Thread2, &Var);
|
|
Var = 42;
|
|
barrier_wait(&barrier);
|
|
pthread_join(t, 0);
|
|
return 0;
|
|
}
|
|
|
|
int main() {
|
|
barrier_init(&barrier, 2);
|
|
pthread_t t;
|
|
pthread_create(&t, 0, Thread, 0);
|
|
pthread_join(t, 0);
|
|
fprintf(stderr, "DONE\n");
|
|
return 0;
|
|
}
|
|
|
|
// CHECK: WARNING: ThreadSanitizer: data race
|
|
// CHECK-Linux: Location is TLS of thread T1.
|
|
// CHECK-FreeBSD: Location is TLS of thread T1.
|
|
// CHECK-NetBSD: Location is TLS of thread T1.
|
|
// CHECK-Darwin: Location is heap block of size 4
|
|
// CHECK: DONE
|