From owner-freebsd-hackers  Wed Mar 29 02:22:15 1995
Return-Path: hackers-owner
Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id CAA01805 for hackers-outgoing; Wed, 29 Mar 1995 02:22:15 -0800
Received: from godzilla.zeta.org.au (godzilla.zeta.org.au [203.2.228.34]) by freefall.cdrom.com (8.6.10/8.6.6) with ESMTP id CAA01751 for <freebsd-hackers@FreeBSD.org>; Wed, 29 Mar 1995 02:22:04 -0800
Received: (from bde@localhost) by godzilla.zeta.org.au (8.6.9/8.6.9) id UAA26379; Wed, 29 Mar 1995 20:14:45 +1000
Date: Wed, 29 Mar 1995 20:14:45 +1000
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199503291014.UAA26379@godzilla.zeta.org.au>
To: freebsd-hackers@FreeBSD.org, nguyen@omega.uta.edu
Subject: Re: Threads / getdtablesize()
Sender: hackers-owner@FreeBSD.org
Precedence: bulk

>I'm running FreeBSD 2.0 RELEASE, and currently, I'm allowed 64 open
>files per process. [ getdtablesize() and sysconf(_SC_OPEN_MAX) 
>return 64]. I need to push this up to at least 256. I would like to

See the setrlimit man page, the csh man page on the `limit' command,
and `help ulimit' in the bash shell.

>push it even higher, but sys/select.h has MAXSELFD defined as 256.

No, <sys/types.h> has the user-modifiable limit FD_SETSIZE defined
as 256.

>For 2.0R, sysctl -w kern.maxfilesperproc = 256 fails since 
>"kern.maxfilesperproc" is not recognized by 2.0R.

setrlimit() is more general but harder to use.

Bruce