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345 points splitbrain | 1 comments | 14 Oct 24 13:11 UTC | HN request time: 0.201s | source
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yazzku ◴[14 Oct 24 17:04 UTC] No.41839476[source]▶
Can you not use std::condition_variable to avoid the active waiting of the signal?
replies(2): >>41840920 #>>41842565 #
1. listeria ◴[14 Oct 24 22:07 UTC] No.41842565[source]▶
I don't know if std::condition_variable is async-signal safe, but an easy fix is to replace the sleeping with pause(2). There's also sigwait(3), which wouldn't need a signal handler.