jobs.py 文件源码

def wait_for_active_job(signal_to_send=None):
        """
        Wait for the active job to finish, to be killed by SIGINT, or to be
        suspended by ctrl-z.
        """
        _clear_dead_jobs()
        act = builtins.__xonsh_active_job__
        if act is None:
            return
        job = builtins.__xonsh_all_jobs__[act]
        obj = job['obj']
        if job['bg']:
            return
        while obj.returncode is None:
            try:
                obj.wait(0.01)
            except TimeoutExpired:
                pass
            except KeyboardInterrupt:
                obj.kill()
        if obj.poll() is not None:
            builtins.__xonsh_active_job__ = None