• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 // RUN: %clangxx_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s
2 #include <pthread.h>
3 #include <stddef.h>
4 #include <unistd.h>
5 
Thread2(void * a)6 void *Thread2(void *a) {
7   *(int*)a = 43;
8   return 0;
9 }
10 
Thread(void * a)11 void *Thread(void *a) {
12   static __thread int Var = 42;
13   pthread_t t;
14   pthread_create(&t, 0, Thread2, &Var);
15   Var = 42;
16   pthread_join(t, 0);
17   return 0;
18 }
19 
main()20 int main() {
21   pthread_t t;
22   pthread_create(&t, 0, Thread, 0);
23   pthread_join(t, 0);
24 }
25 
26 // CHECK: WARNING: ThreadSanitizer: data race
27 // CHECK:   Location is TLS of thread T1.
28 
29