visualstudio_py_debugger.py 文件源码

def new_external_thread():
    thread = new_thread()
    if not attach_sent_break:
        # we are still doing the attach, make this thread break.
        thread.stepping = STEPPING_ATTACH_BREAK
    elif SEND_BREAK_COMPLETE:
        # user requested break all, make this thread break
        thread.stepping = STEPPING_BREAK

    sys.settrace(thread.trace_func)