compiler-rt/test/lsan/TestCases/lsan_crash.cpp

   1 // RUN: %clangxx_lsan -O2 %s --std=c++14 -o %t && %run %t
   2
   3 #include <atomic>
   4 #include <memory>
   5 #include <sanitizer/lsan_interface.h>
   6 #include <thread>
   7 #include <vector>
   8
   9 std::atomic<bool> done;
  10
  11 void foo() {
  12   std::unique_ptr<char[]> mem;
  13
  14   while (!done)
  15     mem.reset(new char[1000000]);
  16 }
  17
  18 int main() {
  19   std::vector<std::thread> threads;
  20   for (int i = 0; i < 10; ++i)
  21     threads.emplace_back(foo);
  22
  23   for (int i = 0; i < 100; ++i)
  24     __lsan_do_recoverable_leak_check();
  25
  26   done = true;
  27   for (auto &t : threads)
  28     t.join();
  29
  30   return 0;
  31 }