compiler-rt/test/tsan/many_held_mutex.cpp

   1 // RUN: %clangxx_tsan -O1 %s %link_libcxx_tsan -fsanitize=thread -o %t
   2 // RUN: %run %t 128
   3
   4 #include <mutex>
   5 #include <string>
   6 #include <vector>
   7
   8 int main(int argc, char *argv[]) {
   9   int num_of_mtx = std::atoi(argv[1]);
  10
  11   std::vector<std::mutex> mutexes(num_of_mtx);
  12
  13   for (auto &mu : mutexes) {
  14     mu.lock();
  15   }
  16   for (auto &mu : mutexes) {
  17     mu.unlock();
  18   }
  19
  20   return 0;
  21 }