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Date: Mon, 17 Mar 2003 11:15:37 -0500 (EST)
From: "Richard B. Johnson" <root@chaos.analogic.com>
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To: "Sparks, Jamie" <JAMIE.SPARKS@cubic.com>
cc: Linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: select() stress
In-Reply-To: <Pine.WNT.4.44.0303171010580.1544-100000@GOLDENEAGLE.gameday2000>
Message-ID: <Pine.LNX.4.53.0303171112090.22652@chaos>
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On Mon, 17 Mar 2003, Sparks, Jamie wrote:

>
> Hello,
>
>   I'm running some code ported from an sgi running Irix 6.5 on a
>   redhat 7.1 box: 2.4.7-10, i686.  Control hangs on a select()
>   statement forever.  The select is never completed, so I can't
>   check errno.
>
[SNIPPED...]


>       /*  ****************************** */
>       if (select(getdtablesize(), &socklist, NULL, NULL, NULL) < 0)
>       {
>         if (errno != EINTR) perror("WeapTerrain");
> 	continue;
>       }

select() takes a file-descriptor as its first argument, not the
return-value of some function that returns the number of file-
descriptors. You cannot assume that this number is the same
as the currently open socket. Just use the socket-value. That's
the file-descriptor.


Cheers,
Dick Johnson
Penguin : Linux version 2.4.20 on an i686 machine (797.90 BogoMips).
Why is the government concerned about the lunatic fringe? Think about it.

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