compiler-rt/test/tsan/suppressions_global.cpp

   1 // RUN: %clang_tsan -O1 %s -o %t && %env_tsan_opts=suppressions='%s.supp' %run %t 2>&1 | FileCheck %s
   2 #include <pthread.h>
   3 #include <stdio.h>
   4
   5 int RacyGlobal;
   6
   7 void *Thread1(void *x) {
   8   RacyGlobal = 42;
   9   return NULL;
  10 }
  11
  12 void *Thread2(void *x) {
  13   RacyGlobal = 43;
  14   return NULL;
  15 }
  16
  17 int main() {
  18   pthread_t t[2];
  19   pthread_create(&t[0], NULL, Thread1, NULL);
  20   pthread_create(&t[1], NULL, Thread2, NULL);
  21   pthread_join(t[0], NULL);
  22   pthread_join(t[1], NULL);
  23   fprintf(stderr, "OK\n");
  24   return 0;
  25 }
  26
  27 // CHECK-NOT: failed to open suppressions file
  28 // CHECK-NOT: WARNING: ThreadSanitizer: data race
  29