summaryrefslogtreecommitdiffstats
path: root/compiler-rt/lib/tsan/lit_tests/tls_race.cc
blob: 3cbcc9dbba420969d2cef94ae5b501760f0dac42 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
// RUN: %clangxx_tsan -O1 %s -o %t && not %t 2>&1 | FileCheck %s
#include <pthread.h>
#include <stddef.h>

void *Thread(void *a) {
  *(int*)a = 43;
  return 0;
}

int main() {
  static __thread int Var = 42;
  pthread_t t;
  pthread_create(&t, 0, Thread, &Var);
  Var = 43;
  pthread_join(t, 0);
}

// CHECK: WARNING: ThreadSanitizer: data race
// CHECK:   Location is TLS of main thread.
OpenPOWER on IntegriCloud