Method start

Lib/multiprocessing/process.py:110–126

Start child process

(self)

            self._target(*self._args, **self._kwargs)

    def start(self):
        '''
        Start child process
        '''
        self._check_closed()
        assert self._popen is None, 'cannot start a process twice'
        assert self._parent_pid == os.getpid(), \
               'can only start a process object created by current process'
        assert not _current_process._config.get('daemon'), \
               'daemonic processes are not allowed to have children'
        _cleanup()
        self._popen = self._Popen(self)
        self._sentinel = self._popen.sentinel
        # Avoid a refcycle if the target function holds an indirect
        # reference to the process object (see bpo-30775)
        del self._target, self._args, self._kwargs
        _children.add(self)

    def interrupt(self):
        '''