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      1 // Test blacklist functionality for TSan.
      2 
      3 // RUN: %clangxx_tsan -O1 %s \
      4 // RUN:   -fsanitize-blacklist=%p/Helpers/blacklist.txt \
      5 // RUN:   -o %t && %t 2>&1 | FileCheck %s
      6 #include <pthread.h>
      7 #include <stdio.h>
      8 
      9 int Global;
     10 
     11 void *Thread1(void *x) {
     12   Global++;
     13   return NULL;
     14 }
     15 
     16 void *Blacklisted_Thread2(void *x) {
     17   Global--;
     18   return NULL;
     19 }
     20 
     21 int main() {
     22   pthread_t t[2];
     23   pthread_create(&t[0], NULL, Thread1, NULL);
     24   pthread_create(&t[1], NULL, Blacklisted_Thread2, NULL);
     25   pthread_join(t[0], NULL);
     26   pthread_join(t[1], NULL);
     27   printf("PASS\n");
     28   return 0;
     29 }
     30 
     31 // CHECK-NOT: ThreadSanitizer: data race
     32