Stop counting fds after enough free ones are encountered #601
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On systems with incredibly high `RLIMIT_NOFILE` (either intentionally or by accident) this can take quite a large amount of time. Closes LibVNC#600
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On systems with incredibly high
RLIMIT_NOFILE(either intentionally or by accident) this can take quite a large amount of time.Instead of checking them all, just stop after enough free ones have been encountered. 100k is a rather large number for that but the time needed to do this is quite low. My system does about about 7 million per second.
Closes #600
Disclaimer: I haven't properly tested this since I don't know how. I'd love some pointers on that.