gcc/testsuite/c-c++-common/tsan/tls_race.c

   1 /* { dg-shouldfail "tsan" } */
   2
   3 #include <pthread.h>
   4 #include <stddef.h>
   5
   6 void *Thread(void *a) {
   7   *(int*)a = 43;
   8   return 0;
   9 }
  10
  11 int main() {
  12   static __thread int Var = 42;
  13   pthread_t t;
  14   pthread_create(&t, 0, Thread, &Var);
  15   Var = 43;
  16   pthread_join(t, 0);
  17 }
  18
  19 /* { dg-output "WARNING: ThreadSanitizer: data race.*(\n|\r\n|\r).*" } */
  20 /* { dg-output "  Location is TLS of main thread.(\n|\r\n|\r).*" } */