compiler-rt/test/tsan/global_race2.cpp

   1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
   2 #include "test.h"
   3
   4 int x;
   5
   6 void *Thread(void *a) {
   7   barrier_wait(&barrier);
   8   x = 1;
   9   return 0;
  10 }
  11
  12 int main() {
  13   barrier_init(&barrier, 2);
  14   print_address("addr2=", 1, &x);
  15   pthread_t t;
  16   pthread_create(&t, 0, Thread, 0);
  17   x = 0;
  18   barrier_wait(&barrier);
  19   pthread_join(t, 0);
  20 }
  21
  22 // CHECK: addr2=[[ADDR2:0x[0-9,a-f]+]]
  23 // CHECK: WARNING: ThreadSanitizer: data race
  24 // CHECK: Location is global 'x' {{(of size 4 )?}}at [[ADDR2]] ({{.*}}+0x{{[0-9,a-f]+}})
  25