Method wait

Lib/multiprocessing/popen_fork.py:37–45

(self, timeout=None)

        return self.returncode

    def wait(self, timeout=None):
        if self.returncode is None:
            if timeout is not None:
                from multiprocessing.connection import wait
                if not wait([self.sentinel], timeout):
                    return None
            # This shouldn't block if wait() returned successfully.
            return self.poll(os.WNOHANG if timeout == 0.0 else 0)
        return self.returncode

    def _send_signal(self, sig):
        if self.returncode is None: