compiler-rt/test/tsan/static_init1.cpp

   1 // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
   2 #include <pthread.h>
   3 #include <stdlib.h>
   4 #include <stdio.h>
   5
   6 struct P {
   7   int x;
   8   int y;
   9 };
  10
  11 void *Thread(void *x) {
  12   static P p = {rand(), rand()};
  13   if (p.x > RAND_MAX || p.y > RAND_MAX)
  14     exit(1);
  15   return 0;
  16 }
  17
  18 int main() {
  19   pthread_t t[2];
  20   pthread_create(&t[0], 0, Thread, 0);
  21   pthread_create(&t[1], 0, Thread, 0);
  22   pthread_join(t[0], 0);
  23   pthread_join(t[1], 0);
  24   fprintf(stderr, "PASS\n");
  25 }
  26
  27 // CHECK-NOT: WARNING: ThreadSanitizer: data race