src/compiler-rt/test/tsan/default_options.cc

   1 // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
   2 #include <pthread.h>
   3 #include <stdio.h>
   4
   5 extern "C" const char *__tsan_default_options() {
   6   return "report_bugs=0";
   7 }
   8
   9 int Global;
  10
  11 void *Thread1(void *x) {
  12   Global = 42;
  13   return NULL;
  14 }
  15
  16 void *Thread2(void *x) {
  17   Global = 43;
  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, Thread2, NULL);
  25   pthread_join(t[0], NULL);
  26   pthread_join(t[1], NULL);
  27   fprintf(stderr, "DONE\n");
  28   return 0;
  29 }
  30
  31 // CHECK-NOT: WARNING: ThreadSanitizer: data race
  32 // CHECK: DONE