visualstudio_py_debugger.py 文件源码

def block_maybe_attach(self):
        will_block_now = True
        if self.stepping == STEPPING_ATTACH_BREAK:
            # only one thread should send the attach break in
            attach_lock.acquire()
            global attach_sent_break
            if attach_sent_break:
                will_block_now = False
            attach_sent_break = True
            attach_lock.release()

        probe_stack()
        stepping = self.stepping
        self.stepping = STEPPING_NONE
        def block_cond():
            if will_block_now:
                if stepping == STEPPING_OVER or stepping == STEPPING_INTO:
                    report_step_finished(self.id)
                    return mark_all_threads_for_break(skip_thread = self)
                else:
                    if not DETACHED:
                        if stepping == STEPPING_ATTACH_BREAK:
                            self.reported_process_loaded = True
                        return report_process_loaded(self.id)
        update_all_thread_stacks(self)
        self.block(block_cond)