From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.devel Subject: Re: wait_reading_process_ouput hangs in certain cases (w/ patches) Date: Tue, 7 Aug 2018 10:10:57 -0700 Organization: UCLA Computer Science Department Message-ID: References: <7550438b-9fd4-d374-e571-8bb16456cad5@cs.ucla.edu> <797d0e16-1bae-50c2-35f8-05489ffce935@binary-island.eu> <83tvugdiu5.fsf@gnu.org> <877er5s0xv.fsf@gmail.com> <4e4c72bb-295d-81e1-e4ed-cad256bca83c@binary-island.eu> <87zi3v9461.fsf@gmail.com> <87k1uy8x68.fsf@gmail.com> <6d1970af-8c5c-20ba-be09-0b9aa757d663@binary-island.eu> <13b3e003-d12b-33a7-3ebe-c07b017a7cc0@binary-island.eu> <833714rm3d.fsf@gnu.org> <7b64afc3-e9b0-536d-1e42-a5f5d74f1adf@binary-island.eu> <83y3iur4jo.fsf@gnu.org> <2e181861-cfb8-a461-dfb6-9fee2164a611@binary-island.eu> <03e60e83-c832-ed6b-38bc-c0a20d2a0eac@binary-island.eu> <83bmb0zzif.fsf@gnu.org> <6898bfb5-132e-2451-c49f-8864da8af429@binary-island.eu> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1533661749 32566 195.159.176.226 (7 Aug 2018 17:09:09 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 7 Aug 2018 17:09:09 +0000 (UTC) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 Cc: larsi@gnus.org, rrandresf@gmail.com, monnier@iro.umontreal.ca, emacs-devel@gnu.org To: Matthias Dahl , Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Aug 07 19:09:05 2018 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fn5Tj-0008Kn-QF for ged-emacs-devel@m.gmane.org; Tue, 07 Aug 2018 19:09:04 +0200 Original-Received: from localhost ([::1]:40135 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fn5Vp-0004RL-Cr for ged-emacs-devel@m.gmane.org; Tue, 07 Aug 2018 13:11:13 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:49499) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fn5Vi-0004RB-6T for emacs-devel@gnu.org; Tue, 07 Aug 2018 13:11:07 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fn5Vh-00029d-6B for emacs-devel@gnu.org; Tue, 07 Aug 2018 13:11:06 -0400 Original-Received: from zimbra.cs.ucla.edu ([131.179.128.68]:36674) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fn5Vd-00026I-Qp; Tue, 07 Aug 2018 13:11:02 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id AD188160662; Tue, 7 Aug 2018 10:10:59 -0700 (PDT) Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id MkVUKS62Holf; Tue, 7 Aug 2018 10:10:59 -0700 (PDT) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id E705016066F; Tue, 7 Aug 2018 10:10:58 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id JVycGUbimPn6; Tue, 7 Aug 2018 10:10:58 -0700 (PDT) Original-Received: from [192.168.1.9] (unknown [47.154.30.119]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id 6C038160662; Tue, 7 Aug 2018 10:10:58 -0700 (PDT) Openpgp: preference=signencrypt Autocrypt: addr=eggert@cs.ucla.edu; prefer-encrypt=mutual; keydata= xsFNBEyAcmQBEADAAyH2xoTu7ppG5D3a8FMZEon74dCvc4+q1XA2J2tBy2pwaTqfhpxxdGA9 Jj50UJ3PD4bSUEgN8tLZ0san47l5XTAFLi2456ciSl5m8sKaHlGdt9XmAAtmXqeZVIYX/UFS 96fDzf4xhEmm/y7LbYEPQdUdxu47xA5KhTYp5bltF3WYDz1Ygd7gx07Auwp7iw7eNvnoDTAl KAl8KYDZzbDNCQGEbpY3efZIvPdeI+FWQN4W+kghy+P6au6PrIIhYraeua7XDdb2LS1en3Ss mE3QjqfRqI/A2ue8JMwsvXe/WK38Ezs6x74iTaqI3AFH6ilAhDqpMnd/msSESNFt76DiO1ZK QMr9amVPknjfPmJISqdhgB1DlEdw34sROf6V8mZw0xfqT6PKE46LcFefzs0kbg4GORf8vjG2 Sf1tk5eU8MBiyN/bZ03bKNjNYMpODDQQwuP84kYLkX2wBxxMAhBxwbDVZudzxDZJ1C2VXujC OJVxq2kljBM9ETYuUGqd75AW2LXrLw6+MuIsHFAYAgRr7+KcwDgBAfwhPBYX34nSSiHlmLC+ KaHLeCLF5ZI2vKm3HEeCTtlOg7xZEONgwzL+fdKo+D6SoC8RRxJKs8a3sVfI4t6CnrQzvJbB n6gxdgCu5i29J1QCYrCYvql2UyFPAK+do99/1jOXT4m2836j1wARAQABzSBQYXVsIEVnZ2Vy dCA8ZWdnZXJ0QGNzLnVjbGEuZWR1PsLBfgQTAQIAKAUCTIByZAIbAwUJEswDAAYLCQgHAwIG FQgCCQoLBBYCAwECH In-Reply-To: <6898bfb5-132e-2451-c49f-8864da8af429@binary-island.eu> Content-Language: en-US X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 131.179.128.68 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:228295 Archived-At: Matthias Dahl wrote: > I don't know if Emacs uses other non-universally available errno values > as well. If it does, then, imho, it really does not matter here. Emacs uses EOVERFLOW, ENOTSUP, EINPROGRESS, ENOTCONN, EMSGSIZE, EINPROGRE= SS,=20 ELOOP, EWOULDBLOCK, even though they are not available on many platforms. By the way, why does conf_post.h conditionally define EOVERFLOW, why does= =20 filelock.c have "#ifndef ELOOP", why does process.c have "#ifndef EWOULDB= LOCK"=20 and "defined EMSGSIZ", and why does sysdep.c have "#ifdef EOVERFLOW"? Do = these=20 all predate Gnulib errno.h? It sounds like we should remove them.