wait_with_segfault.cpp

bool wait(const UPID& pid, const Duration& duration)
{
  process::initialize();

  if (!pid) {
    return false;
  }

  // This could result in a deadlock if some code decides to wait on a
  // process that has invoked that code!
  if (__process__ != nullptr && __process__->self() == pid) {
    std::cerr << "\n**** DEADLOCK DETECTED! ****\nYou are waiting on process "
              << pid << " that it is currently executing." << std::endl;

    ((Promise<Nothing>*)0xDEAD)->future();
  }

  ...
}