From owner-freebsd-current Thu Apr 15 10:47: 1 1999 Delivered-To: freebsd-current@freebsd.org Received: from dingo.cdrom.com (castles506.castles.com [208.214.165.70]) by hub.freebsd.org (Postfix) with ESMTP id A70D514C35 for ; Thu, 15 Apr 1999 10:46:55 -0700 (PDT) (envelope-from mike@dingo.cdrom.com) Received: from dingo.cdrom.com (localhost [127.0.0.1]) by dingo.cdrom.com (8.9.3/8.8.8) with ESMTP id KAA02998; Thu, 15 Apr 1999 10:43:56 -0700 (PDT) (envelope-from mike@dingo.cdrom.com) Message-Id: <199904151743.KAA02998@dingo.cdrom.com> X-Mailer: exmh version 2.0.2 2/24/98 To: Tony Finch Cc: current@freebsd.org Subject: Re: swap-related problems In-reply-to: Your message of "Thu, 15 Apr 1999 12:40:16 BST." Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Thu, 15 Apr 1999 10:43:55 -0700 From: Mike Smith Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > Jim Bloom wrote: > > > >A signal handler is not guaranteed to work. It must be written such that it > >does not require a new page of memory. Some possible problems here are the > >stack growing, writing on a new page in the data segment, etc. > > man sigaltstack That doesn't help; there is no guarantee that your stack or your alternate stack have been mapped. -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message