How to kill subprocess python in windows

Question

How would I go about killing a process on Windows?

I am starting the process with

    self.p = Process(target=self.GameInitialize, args=(testProcess,))
    self.p.start()

I have tried

self.p.kill()
self.p.terminate()
os.kill(self.p.pid, -1)
os.killpg(self.p.pid, signal.SIGTERM)  # Send the signal to all the process groups

Errors

Process Object has no Attribute kill
Process Object has no Attribute terminate
Access Denied

I cannot use .join.

Answer 1

On windows, os.killpg will not work because it sends a signal to the process ID to terminate. This is now how you kill a process on Windows, instead you have to use the win32 API's TerminateProcess to kill a process.

So, you can kill a process by the following on windows:

import signal
os.kill(self.p.pid, signal.CTRL_C_EVENT)

If the above does not work, then try signal.CTRL_BREAK_EVENT instead.