So GetExitCodeProcess() returns TRUE (for success) even if you pass it a non-process handle. Thanks, I guess! This in conjunction with another bug which caused some code to keep using (and keep CLOSING) a process handle which had already been closed caused random lock-ups in an application and I spent several days looking for the root cause :/ B…

gistfile1.txt

  HANDLE h = CreateEvent(NULL, TRUE, FALSE, NULL);

	DWORD dwExitCode = 9999;
	if (GetExitCodeProcess(h, &dwExitCode))
  {
		printf("Developers, developers, developers!");
    CloseHandle(h);
  }