compiler-rt/test/tsan/static_init7.cpp

   1 // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
   2 #include <pthread.h>
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5
   6 struct P {
   7   int x;
   8   int y;
   9 };
  10
  11 int Helper() {
  12   try {
  13     static int i = []() {
  14       throw P{};
  15       return 1;
  16     }();
  17     return i;
  18   } catch (P) {
  19     return 0;
  20   }
  21 }
  22
  23 void *Thread(void *x) {
  24   for (int i = 0; i < 1000; ++i) {
  25     Helper();
  26   }
  27   return 0;
  28 }
  29
  30 int main() {
  31   pthread_t t[2];
  32   pthread_create(&t[0], 0, Thread, 0);
  33   pthread_create(&t[1], 0, Thread, 0);
  34   pthread_join(t[0], 0);
  35   pthread_join(t[1], 0);
  36   fprintf(stderr, "PASS\n");
  37 }
  38
  39 // CHECK-NOT: WARNING: ThreadSanitizer: data race