From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1883 invoked by alias); 4 Jun 2004 21:55:31 -0000 Mailing-List: contact gdb-patches-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sources.redhat.com Received: (qmail 1876 invoked from network); 4 Jun 2004 21:55:30 -0000 Received: from unknown (HELO mx1.redhat.com) (66.187.233.31) by sourceware.org with SMTP; 4 Jun 2004 21:55:30 -0000 Received: from int-mx1.corp.redhat.com (int-mx1.corp.redhat.com [172.16.52.254]) by mx1.redhat.com (8.12.10/8.12.10) with ESMTP id i54LtUi5019719 for ; Fri, 4 Jun 2004 17:55:30 -0400 Received: from zenia.home.redhat.com (porkchop.devel.redhat.com [172.16.58.2]) by int-mx1.corp.redhat.com (8.11.6/8.11.6) with ESMTP id i54LtT012330; Fri, 4 Jun 2004 17:55:29 -0400 To: gdb-patches@sources.redhat.com Subject: Re: RFA: gdb.base/charset.exp: tighten regexp for ^C References: From: Jim Blandy Date: Fri, 04 Jun 2004 21:55:00 -0000 In-Reply-To: Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-SW-Source: 2004-06/txt/msg00085.txt.bz2 Jim Blandy writes: > The problem with the regexp for the clause that sends ^C is that it > matches a prefix of the correct output. If expect sees GDB's output > arrive in small chunks, then that clause can trigger even when GDB is > behaving correctly. This happens on AIX. > > I didn't see any discussion in the archives of the sort of situations > this clause was meant to handle. A different approach might be for > the timeout clause to send a ^C the first time around, and then > actually fail the second time around. Then the situation the clause > the patch tweaks was meant to handle (now there's a nice noun clause) > will be caught by the ordinary $gdb_prompt case. Oh --- tested on powerpc-unknown-linux-gnu, powerpc-ibm-aix4.3.3.0, and i686-pc-linux-gnu.