Re: close() slow on socketpairs?

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Tue Oct 17 2000 - 06:28:19 EST

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In reply to: Dan Kegel: "close() slow on socketpairs?"
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> On both 2.2.14 and 2.2.16, pipe and socketpair are nice and speedy.
> close() is fine for pipes, but at 8000 socketpairs, each call to close()
> takes 14 *milliseconds* at 100% cpu usage. What's up with that?

Welcome to the world of mark sweep garbage collection. The folks who allowed
file handle passing on AF_UNIX sockets dug a very large hole and jumped down it

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