From owner-freebsd-hackers  Sun Mar 24 21:01:18 1996
Return-Path: owner-hackers
Received: (from root@localhost)
          by freefall.freebsd.org (8.7.3/8.7.3) id VAA19052
          for hackers-outgoing; Sun, 24 Mar 1996 21:01:18 -0800 (PST)
Received: from godzilla.zeta.org.au (godzilla.zeta.org.au [203.2.228.19])
          by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id VAA19047
          Sun, 24 Mar 1996 21:01:13 -0800 (PST)
Received: (from bde@localhost) by godzilla.zeta.org.au (8.6.12/8.6.9) id PAA24812; Mon, 25 Mar 1996 15:57:02 +1100
Date: Mon, 25 Mar 1996 15:57:02 +1100
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199603250457.PAA24812@godzilla.zeta.org.au>
To: bugs@freebsd.org, igor@turtle.kiev.ua
Subject: Re: A question concerning select(2)
Cc: freebsd-hackers@freebsd.org
Sender: owner-hackers@freebsd.org
X-Loop: FreeBSD.org
Precedence: bulk

>  The point is that I can increase maxfilesperproc but  cannot change
>FD_SETSIZE dynamically because the constant is hardcoded into the kernel
>and the implementation of select system call disallows to overrun it,
>and so I can get a descriptor which cannot be used by select.

>  Am I wrong ?

You're right.  This is an old bug.

Bruce