From: Eric Hodel <drbrain@...7.net>
Date: 2004-03-19T16:08:36-08:00
Subject: Re: Server on Ruby

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gabriele renzi (surrender_it@rc1.vip.ukl.yahoo.com) wrote:

>   select( readArray [, writeArray [errorArray [timeout]]] ) -> anArray
> or nil
>  =20
>     Performs a low-level select call, which waits for data to become
> available from input/output devices. The first three parameters are
> arrays of IO objects or nil. The last is a timeout in seconds, which
> should be an Integer or a Float. The call waits for data to become
> available for any of the IO objects in readArray, for buffers to have
> cleared sufficiently to enable writing to any of the devices in
> writeArray, or for an error to occur on the devices in errorArray. If
> one or more of these conditions are met, the call returns a
> three-element array containing arrays of the IO objects that were
> ready. Otherwise, if there is no change in status for timeout seconds,
> the call returns nil. If all parameters are nil, the current thread
> sleeps forever.

Note that select() only blocks the current thread, so if you have
multiple threads, and select() in one of them, only that thread will
block.

--=20
Eric Hodel - drbrain@segment7.net - http://segment7.net
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