From owner-freebsd-questions@FreeBSD.ORG Tue Nov 14 15:22:43 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3EC7A16A4EF for ; Tue, 14 Nov 2006 15:22:43 +0000 (UTC) (envelope-from robin@reportlab.com) Received: from relay03.pair.com (relay03.pair.com [209.68.5.17]) by mx1.FreeBSD.org (Postfix) with SMTP id 3C0E243DAB for ; Tue, 14 Nov 2006 15:21:44 +0000 (GMT) (envelope-from robin@reportlab.com) Received: (qmail 11695 invoked from network); 14 Nov 2006 15:21:43 -0000 Received: from unknown (HELO ?192.168.0.3?) (unknown) by unknown with SMTP; 14 Nov 2006 15:21:43 -0000 X-pair-Authenticated: 217.196.247.135 Message-ID: <4559DF39.7070506@chamonix.reportlab.co.uk> Date: Tue, 14 Nov 2006 15:22:33 +0000 From: Robin Becker User-Agent: Thunderbird 1.5.0.8 (Windows/20061025) MIME-Version: 1.0 To: freebsd-questions@freebsd.org Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: sysv semaphores X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Nov 2006 15:22:43 -0000 I'm trying to test a python extension (POSH) that uses semaphores. When testing I get a run time error that indicates it requires too many semaphores. Is it possible to adjust the allowed number of semaphores without rebuilding the kernel? What are the costs of having semaphores ie are they memory/cpu intensive? -- Robin Becker