From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 21816 invoked by alias); 25 Jun 2010 21:03:23 -0000 Received: (qmail 21784 invoked by uid 22791); 25 Jun 2010 21:03:22 -0000 X-SWARE-Spam-Status: No, hits=-5.9 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI,SPF_HELO_PASS,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 25 Jun 2010 21:03:17 +0000 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o5PL3GsY016242 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 25 Jun 2010 17:03:16 -0400 Received: from ns3.rdu.redhat.com (ns3.rdu.redhat.com [10.11.255.199]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o5PL3F8H005785; Fri, 25 Jun 2010 17:03:16 -0400 Received: from opsy.redhat.com (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by ns3.rdu.redhat.com (8.13.8/8.13.8) with ESMTP id o5PL3FVP000704; Fri, 25 Jun 2010 17:03:15 -0400 Received: by opsy.redhat.com (Postfix, from userid 500) id EC8EC3792DB; Fri, 25 Jun 2010 15:03:14 -0600 (MDT) From: Tom Tromey To: Mark Kettenis Cc: gdb-patches@sourceware.org Subject: Re: [0/7] RFC: read DWARF psymtabs in the background References: <201006222005.o5MK5TtD019970@glazunov.sibelius.xs4all.nl> Reply-To: tromey@redhat.com Date: Fri, 25 Jun 2010 21:03:00 -0000 In-Reply-To: <201006222005.o5MK5TtD019970@glazunov.sibelius.xs4all.nl> (Mark Kettenis's message of "Tue, 22 Jun 2010 22:05:29 +0200 (CEST)") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org X-SW-Source: 2010-06/txt/msg00598.txt.bz2 >>>>> "Mark" == Mark Kettenis writes: Tom> I realize that threads are unpopular in many quarters, so this is an RFC. Mark> Sorry, but this is pretty much a no-go for OpenBSD. We have a Mark> userland threads implementation that puts file descriptors in Mark> non-blocking mode such that it can switch to another thread if I/O to Mark> that filedescriptor would block. This has side effects if these file Mark> descriptors are shared with child processes :(. If that is your only objection, it is no trouble to disable this code on a per-host basis. All that is missing for that is some of the configury; all the code is designed to allow single-threaded operation. Tom