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From: Paul Eggert <eggert@cs.ucla.edu>
To: Daniele Nicolodi <daniele@grinta.net>
Cc: emacs-devel@gnu.org
Subject: Re: `message' not outputting the newline "atomically"
Date: Sun, 23 Jun 2019 13:34:37 -0700	[thread overview]
Message-ID: <a9f57534-3e9a-9f89-7b55-257d38b2e274@cs.ucla.edu> (raw)
In-Reply-To: <8df7509f-229e-3ce0-1d35-ab361467e4f9@grinta.net>

Daniele Nicolodi wrote:
> I thought that the issue is only with
> output omitted by (message) function call.

Although the original bug report was indeed about 'message', the problem can 
occur with any output sent to stderr, and merely fiddling with 'message' will 
not fix the more-general problem.

> It is funny how message_to_stderr() has an explicit fflush(stderr) at
> the end.

Yes, there is a lot of cargo-culting in the stdio part of the Emacs source code, 
as nobody has taken the time to review all the unnecessary cruft that has 
accumulated over the years; the fflush you mentioned is just part of the 
problem. And although I *did* take the time to do this one little thing right, I 
have been asked to revert the fix because of purely-hypothetical fear of change. 
It is frustrating, indeed.

Eli essentially ordered me to revert the change, so I just now did that. He's 
the maintainer.



  reply	other threads:[~2019-06-23 20:34 UTC|newest]

Thread overview: 108+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-19 14:12 `message' not outputting the newline "atomically" Lars Ingebrigtsen
2019-06-19 14:28 ` Andreas Schwab
2019-06-19 15:41 ` Eli Zaretskii
2019-06-19 15:47   ` Lars Ingebrigtsen
2019-06-19 16:05     ` Andreas Schwab
2019-06-19 23:22       ` Paul Eggert
2019-06-20  2:35         ` Eli Zaretskii
2019-06-20  7:47           ` Paul Eggert
2019-06-20  9:35             ` Lars Ingebrigtsen
2019-06-20 12:52             ` Eli Zaretskii
2019-06-20 12:55               ` Lars Ingebrigtsen
2019-06-20 13:13                 ` Eli Zaretskii
2019-06-20 14:05                 ` Andreas Schwab
2019-06-20 16:26               ` Paul Eggert
2019-06-20 16:45                 ` Eli Zaretskii
2019-06-20 17:41                   ` Paul Eggert
2019-06-20 18:06                     ` Eli Zaretskii
2019-06-20 19:33                       ` Paul Eggert
2019-06-21  5:46                         ` Eli Zaretskii
2019-06-21  6:06                           ` Eli Zaretskii
2019-06-22  0:20                           ` Paul Eggert
2019-06-22  7:32                             ` Eli Zaretskii
2019-06-22 19:14                               ` Paul Eggert
2019-06-23  2:25                                 ` Eli Zaretskii
2019-06-23  8:34                                   ` Paul Eggert
2019-06-23 11:37                                     ` Lars Ingebrigtsen
2019-06-23 14:47                                     ` Eli Zaretskii
2019-06-23 17:32                                       ` Paul Eggert
2019-06-23 18:28                                         ` Eli Zaretskii
2019-06-23 12:53                                   ` Stefan Monnier
2019-06-23 14:51                                     ` Eli Zaretskii
2019-06-24  4:09                                       ` Stefan Monnier
2019-06-22  8:26                             ` Andreas Schwab
2019-06-22 18:53                               ` Paul Eggert
2019-06-22 19:00                                 ` Eli Zaretskii
2019-06-22 19:15                                   ` Paul Eggert
2019-06-22 19:48                                 ` Andreas Schwab
2019-06-20 13:32             ` Stefan Monnier
2019-06-20 16:28               ` Paul Eggert
2019-06-23 18:59                 ` Daniele Nicolodi
2019-06-23 20:34                   ` Paul Eggert [this message]
2019-06-23 20:42                     ` Lars Ingebrigtsen
2019-06-23 21:00                       ` Paul Eggert
2019-06-23 22:18                         ` Lars Ingebrigtsen
2019-06-23 20:48                     ` Daniele Nicolodi
2019-06-24  2:32                     ` Eli Zaretskii
2019-06-24  2:51                     ` HaiJun Zhang
2019-06-24 19:48 ` Lars Ingebrigtsen
2019-06-24 20:03   ` Daniele Nicolodi
2019-06-24 20:17     ` Lars Ingebrigtsen
2019-06-24 21:11       ` Paul Eggert
2019-06-24 21:33         ` Lars Ingebrigtsen
2019-06-24 22:03           ` Paul Eggert
2019-06-24 22:06             ` Paul Eggert
2019-06-24 22:28             ` Lars Ingebrigtsen
2019-06-24 22:47               ` Lars Ingebrigtsen
2019-06-25 16:03                 ` Eli Zaretskii
2019-06-26  9:15                   ` Lars Ingebrigtsen
2019-06-26 15:22                     ` Eli Zaretskii
2019-06-27 10:52                       ` Lars Ingebrigtsen
2019-06-26 18:27                   ` Paul Eggert
2019-06-26 18:41                     ` Eli Zaretskii
2019-06-26 18:58                       ` Paul Eggert
2019-06-26 19:11                         ` Eli Zaretskii
2019-06-26 19:36                           ` Daniele Nicolodi
2019-06-27  2:34                             ` Eli Zaretskii
2019-06-27  5:43                               ` Paul Eggert
2019-06-30 20:11                               ` Daniele Nicolodi
2019-07-01  7:41                               ` Daniele Nicolodi
2019-07-01 14:39                                 ` Eli Zaretskii
2019-07-01 17:01                                   ` Daniele Nicolodi
2019-07-02  2:28                                     ` Eli Zaretskii
2019-07-02  7:58                                       ` Daniele Nicolodi
2019-07-02 14:47                                         ` Eli Zaretskii
2019-07-02 20:56                                           ` Daniele Nicolodi
2019-07-03  5:23                                             ` Eli Zaretskii
2019-07-01 17:03                                   ` Daniele Nicolodi
2019-07-02  2:26                                     ` Eli Zaretskii
2019-06-26 19:38                           ` Paul Eggert
2019-06-25 16:06             ` Eli Zaretskii
2019-06-26  9:21               ` Lars Ingebrigtsen
2019-06-26 15:23                 ` Eli Zaretskii
2019-06-27 11:03                   ` Lars Ingebrigtsen
2019-06-27 13:31                     ` Eli Zaretskii
2019-06-28  8:30                       ` Lars Ingebrigtsen
2019-07-03  7:31                       ` Paul Eggert
2019-07-03  7:41                         ` Eli Zaretskii
2019-07-03  7:47                           ` Eli Zaretskii
2019-07-03  7:57                             ` Eli Zaretskii
2019-07-03  8:45                               ` Paul Eggert
2019-07-03  9:30                                 ` Eli Zaretskii
2019-07-03 23:08                                   ` Paul Eggert
2019-07-04 13:24                                     ` Eli Zaretskii
2019-07-07  1:16                                       ` Paul Eggert
2019-07-07 14:51                                         ` Eli Zaretskii
2019-07-08 22:35                                           ` Richard Copley
2019-07-09  2:33                                             ` Eli Zaretskii
2019-07-09 13:45                                               ` Richard Copley
2019-07-09 15:16                                                 ` Eli Zaretskii
2019-07-09  2:47                                           ` Paul Eggert
2019-07-09 16:39                                             ` Eli Zaretskii
2019-07-09 18:12                                               ` Paul Eggert
2019-07-09 18:32                                                 ` Eli Zaretskii
2019-07-09 18:44                                                   ` Lars Ingebrigtsen
2019-07-09 19:17                                                     ` Eli Zaretskii
2019-07-14  0:42                                                   ` Paul Eggert
2019-07-14  6:01                                                     ` Eli Zaretskii
2019-06-25 16:08         ` Eli Zaretskii

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