Subject: Re: increasing FD_SETSIZE to 1024 or 2048?
To: John Kohl <>
From: Todd Vierling <>
List: current-users
Date: 07/04/2000 18:44:38
On Tue, 4 Jul 2000, John Kohl wrote:

: This causes problems if the calling program increases FD_SETSIZE and its
: file descriptor process limit, and then expects high-numbered file
: descriptors to work properly with the RPC runtime's built-in small
: fd_sets.  To make it worse, the RPC runtime exports its fd_set as a
: global symbol the program can tweak.  All callers had better use the
: same set size!

This is ... definitely suboptimal.  This should be using poll(), and
certainly *not* exporting a fd_set for any reason.

-- Todd Vierling (