From owner-freebsd-arch Sat Oct 2 3:19:19 1999 Delivered-To: freebsd-arch@freebsd.org Received: from ns1.yes.no (ns1.yes.no [195.204.136.10]) by hub.freebsd.org (Postfix) with ESMTP id 0DA3515614 for ; Sat, 2 Oct 1999 03:17:54 -0700 (PDT) (envelope-from eivind@bitbox.follo.net) Received: from bitbox.follo.net (bitbox.follo.net [195.204.143.218]) by ns1.yes.no (8.9.3/8.9.3) with ESMTP id MAA29309 for ; Sat, 2 Oct 1999 12:17:53 +0200 (CEST) Received: (from eivind@localhost) by bitbox.follo.net (8.8.8/8.8.6) id MAA91964 for freebsd-arch@freebsd.org; Sat, 2 Oct 1999 12:17:52 +0200 (MET DST) Received: from peach.ocn.ne.jp (peach.ocn.ne.jp [210.145.254.87]) by hub.freebsd.org (Postfix) with ESMTP id 0A4151510C; Sat, 2 Oct 1999 03:16:58 -0700 (PDT) (envelope-from dcs@newsguy.com) Received: from newsguy.com (p23-dn02kiryunisiki.gunma.ocn.ne.jp [210.163.200.120]) by peach.ocn.ne.jp (8.9.1a/OCN) with ESMTP id TAA19729; Sat, 2 Oct 1999 19:16:54 +0900 (JST) Message-ID: <37F5D9FB.D121CF79@newsguy.com> Date: Sat, 02 Oct 1999 19:10:03 +0900 From: "Daniel C. Sobral" X-Mailer: Mozilla 4.6 [en] (Win98; I) X-Accept-Language: en,pt-BR,ja MIME-Version: 1.0 To: obrien@freebsd.org Cc: John Polstra , Alan Cox , arch@freebsd.org Subject: Re: Now that sigcontext is gone ... References: <19990930162834.C20978@nonpc.cs.rice.edu> <19991002011955.A85828@dragon.nuxi.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Transfer-Encoding: 7bit Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG [redirecting to -arch as a test-case] David O'Brien wrote: > > > > P.S. This also reminds me that FreeBSD is non-standard relative > > > to Linux and all of the major vender commercial Unices in that a disallowed > > > access, such as a write to a read-only region of memory, generates > > > a SIGBUS rather than a SIGSEGV. > > > > Yes, this even violates the 1996 POSIX spec. > > So lets make the change for 4.0. :-) > > Just how much code will break? Well, it won't break any POSIX code, that's sure... :-) I like having the distinction this provides, but since this is stricly freebsd-i386, I'd wager we won't have too much trouble making the change. After all, if freebsd-alpha works ok in a POSIX-compatible way... -- Daniel C. Sobral (8-DCS) dcs@newsguy.com dcs@freebsd.org Rule 69: Do unto other's code as you'd have it done unto yours To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message