if os.name =='nt':

    import ctypes

    def kill(pid, logfn, tryhard=True):

        logfn('# Killing daemon process %d' % pid)

        PROCESS_TERMINATE = 1

        handle = ctypes.windll.kernel32.OpenProcess(

                PROCESS_TERMINATE, False, pid)

        ctypes.windll.kernel32.TerminateProcess(handle, -1)

        ctypes.windll.kernel32.CloseHandle(handle)

else:

    def kill(pid, logfn, tryhard=True):

        try:

            os.kill(pid, 0)

            logfn('# Killing daemon process %d' % pid)

            os.kill(pid, signal.SIGTERM)

            if tryhard:

                for i in range(10):

                    time.sleep(0.05)

                    os.kill(pid, 0)

            else:

                time.sleep(0.1)

                os.kill(pid, 0)

            logfn('# Daemon process %d is stuck - really killing it' % pid)

            os.kill(pid, signal.SIGKILL)

        except OSError, err:

            if err.errno != errno.ESRCH:

                raise

            kill(pid, logfn, tryhard)