Continue listening when poll() is interrupted
#941
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lionel-
commented
Oct 7, 2025
| // Internal allocation has failed, but a retry might succeed | ||
| nix::errno::Errno::EAGAIN => continue, | ||
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| _ => { |
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The remaining error documented in https://pubs.opengroup.org/onlinepubs/9699919799/functions/poll.html represents an unexpected state, so quitting the thread is likely appropriate.
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The
poll()syscall might be interrupted by a SIGCHLD (asystem()call) or a SIGINT. It is safe to retry in that case.