C++: Continue execution after SIGINT

Question

Okay, I am writing a program that is doing some pretty heavy analysis and I would like to be able to stop it quickly.

I added signal(SIGINT, terminate); to

Answer 1

From MSDN:

Note SIGINT is not supported for any Win32 application, including Windows 98/Me and Windows NT/2000/XP. When a CTRL+C interrupt occurs, Win32 operating systems generate a new thread to specifically handle that interrupt. This can cause a single-thread application such as UNIX, to become multithreaded, resulting in unexpected behavior.

Which means you will have to use preprocessing directive and implement a Windows specific solution.

BOOL WINAPI handler(DWORD dwCtrlType)
{
  if (CTRL_C_EVENT == dwCtrlType)
  {
    // ask the user
  }
  return FALSE;
}

And at the beginning of main you do

SetConsoleCtrlHandler(handler, TRUE);