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fanf2
on Oct 16, 2023
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Should you be scared of Unix signals? (2016)
If your program has an async loop (select or poll etc.) then you need to know about the self-pipe trick for avoiding problems with signals.
https://cr.yp.to/docs/selfpipe.html
Sesse__
on Oct 16, 2023
[–]
The article explicitly mentioned signalfd, which is a less hackish way of doing the same.
fanf2
on Oct 16, 2023
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signalfd() is less portable and has caveats around signal masks and subprocesses that you can avoid with the self-pipe trick.
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