compiler-rt/test/tsan/default_options.cpp

   1 // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
   2 #include <pthread.h>
   3 #include <sanitizer/tsan_interface.h>
   4 #include <stdio.h>
   5
   6 #if (__APPLE__)
   7 __attribute__((weak))
   8 #endif
   9 extern "C" const char *__tsan_default_options() {
  10   return "report_bugs=0";
  11 }
  12
  13 int Global;
  14
  15 void *Thread1(void *x) {
  16   Global = 42;
  17   return NULL;
  18 }
  19
  20 void *Thread2(void *x) {
  21   Global = 43;
  22   return NULL;
  23 }
  24
  25 int main() {
  26   pthread_t t[2];
  27   pthread_create(&t[0], NULL, Thread1, NULL);
  28   pthread_create(&t[1], NULL, Thread2, NULL);
  29   pthread_join(t[0], NULL);
  30   pthread_join(t[1], NULL);
  31   fprintf(stderr, "DONE\n");
  32   return 0;
  33 }
  34
  35 // CHECK-NOT: WARNING: ThreadSanitizer: data race
  36 // CHECK: DONE