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Read /proc/self/fd to report the actual number of open file descriptors alongside the existing limit. Comparing usage vs limit helps diagnose "too many open files" errors.
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Summary
open_files_countfield to resources, read from/proc/self/fd- I checked but this seems to be the best way of getting that number. It seems a bit stupid to me counting this but....Nonegracefully if/proc/self/fdis unavailable even though I believe it should always be availableTest plan
cargo test --all-featurespassescargo clippywithRUSTFLAGS="-D warnings"passes