On Fri, Mar 17, 2023 at 10:24:07AM +0800, juanfengpy@xxxxxxxxx wrote: > We have met a hang on pty device, the reader was blocking > at epoll on master side, the writer was sleeping at wait_woken > inside n_tty_write on slave side, and the write buffer on > tty_port was full, we found that the reader and writer would > never be woken again and blocked forever. Where do you find this hanging pty? Seems like the wording makes me confused. Maybe you mean "It is possible to hang pty device. In that case, ..." -- An old man doll... just what I always wanted! - Clara
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