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by bno1 791 days ago
A big issue with IPC is thread scheduling. Thread B needs to get scheduled to see the request from thread A and thread A needs to get scheduled to see the response from thread B. I think there are WIP solutions to deal with this [1] this but I'm not up to date.

[1] https://www.phoronix.com/news/Google-User-Thread-Futex-Swap