bill-xia

## Check List Please check followings before submitting a new issue. - [x] I have already read [Docs page](https://hexo.io/docs/) & [Troubleshooting page](https://hexo.io/docs/troubleshooting) - [x] I have already searched existing issues...

Possible bug in event system?

7

### Description I think I encountered a bug about syncronization between ppoll fds and frr event structures. I printed ppoll's return value by LD_PRELOAD-ing libc function calls. In `bgpd_io` thread(the...

Support [Visdown](https://visdown.com/) for mashiro theme. I also realized using `markdown-it` and its plugins is better than build a `markdown-them` instead. So this PR also includes instructions and code to switch...

Possible bug in tcp window update

1

It's said in RFC9293 that: > If SND.UNA =< SEG.ACK =< SND.NXT, the send window should be updated. While in current implementation, `update_window()` is only called when `SND.UNA < SEG.ACK...