From owner-freebsd-hackers Mon Apr 27 15:31:00 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id PAA26573 for freebsd-hackers-outgoing; Mon, 27 Apr 1998 15:31:00 -0700 (PDT) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from dyson.iquest.net (dyson.iquest.net [198.70.144.127]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id PAA26550 for ; Mon, 27 Apr 1998 15:30:51 -0700 (PDT) (envelope-from toor@dyson.iquest.net) Received: (from root@localhost) by dyson.iquest.net (8.8.8/8.8.8) id RAA01545; Mon, 27 Apr 1998 17:30:38 -0500 (EST) (envelope-from toor) Message-Id: <199804272230.RAA01545@dyson.iquest.net> Subject: Re: SIGDANGER In-Reply-To: from "David E. Cross" at "Apr 27, 98 04:34:31 pm" To: dec@phoenix.its.rpi.edu (David E. Cross) Date: Mon, 27 Apr 1998 17:30:38 -0500 (EST) Cc: freebsd-hackers@FreeBSD.ORG From: "John S. Dyson" Reply-To: dyson@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL38 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG David E. Cross said: > I was recenlty shown AIX's SIGDANGER (33). It is a signal that the kernel > issues to [some] running processes when it gets dangerously low on space, > by default SIGDANGER causes programs to die, freeing up memory, system > critical processes and server processes woulf be compiled to ignore > SIGDANGER. This seems like a very good idea, could it be done in FreeBSD? > I remember someone talking about changing the signal structs to be an > array of INTs, instead of just an int to accomidate more than 32 signals. > We do need to adopt an extended signal set, and I think that someone else has already developed it. SIGDANGER could be valuable. -- John | Never try to teach a pig to sing, dyson@freebsd.org | it just makes you look stupid, jdyson@nc.com | and it irritates the pig. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message