src/compiler-rt/test/tsan/Darwin/libcxx-future.mm

   1 // RUN: %clangxx_tsan %s -o %t
   2 // RUN: %env_tsan_opts=ignore_interceptors_accesses=1 %run %t 2>&1 | FileCheck %s
   3
   4 #include <iostream>
   5 #include <future>
   6 #include <vector>
   7
   8 int main(int argc, const char *argv[]) {
   9   fprintf(stderr, "Hello world.\n");
  10
  11   auto my_task = [] { return 42; };
  12
  13   std::vector<std::thread> threads;
  14
  15   for (int i = 0; i < 100; i++) {
  16     std::packaged_task<int(void)> task(my_task);
  17     std::future<int> future = task.get_future();
  18     threads.push_back(std::thread(std::move(task)));
  19   }
  20
  21   for (auto &t : threads) {
  22     t.join();
  23   }
  24
  25   fprintf(stderr, "Done.\n");
  26 }
  27
  28 // CHECK: Hello world.
  29 // CHECK-NOT: WARNING: ThreadSanitizer
  30 // CHECK: Done.