On Wed, Sep 06, 2023 at 09:28:31AM -0400, Mouse wrote: > That's a good question. In general, SOCK_STREAM socket connections > never promise atomicity of anything larger than one byte. It's > possible AF_LOCAL provides a stronger promise, but, if so, I'm not sure > where that promise is documented, or how widespread it is.
If you want reliable and atomic communication, SOCK_SEQPACKET is there. I implemented it (from code submitted in a PR) for perfused(8) a few years ago. See section 3.3 of my EuroBSDcon paper if you are curious of the details. http://hcpnet.free.fr/pubz/fuse.pdf -- Emmanuel Dreyfus m...@netbsd.org
