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From: Eli Zaretskii <eliz@gnu.org>
To: Andreas Schwab <schwab@linux-m68k.org>
Cc: larsi@gnus.org, sunlin7@yahoo.com, 44320@debbugs.gnu.org,
	lin.sun@zoom.us
Subject: bug#44320: [PATH] [27.1] Make sure send-string-to-terminal send all contents
Date: Mon, 02 Nov 2020 20:12:52 +0200	[thread overview]
Message-ID: <83pn4vd3vf.fsf@gnu.org> (raw)
In-Reply-To: <87lffjzlfr.fsf@igel.home> (message from Andreas Schwab on Mon, 02 Nov 2020 19:02:32 +0100)

> From: Andreas Schwab <schwab@linux-m68k.org>
> Cc: lin.sun@zoom.us,  larsi@gnus.org,  sunlin7@yahoo.com,
>   44320@debbugs.gnu.org
> Date: Mon, 02 Nov 2020 19:02:32 +0100
> 
> >> Correct.  A partial write never reports an error.
> >
> > Not sure I understand the last sentence: in this case 'fwrite' should
> > have returned a value less than the amount it was asked to write, and
> > errno should have been set to EINTR, correct?
> 
> Only when it actually writes the data.  Without fflush, you will never
> know when that happens.

But that means 'fwrite' could return zero, if its very first call to
'write' got interrupted, no?  In which case the proposed patch would
not DTRT.





  reply	other threads:[~2020-11-02 18:12 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-29 23:01 bug#44320: [PATH] [27.1] Make sure send-string-to-terminal send all contents Lin Sun via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-10-30  0:36 ` Lin Sun via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-10-30  8:06 ` Eli Zaretskii
2020-10-30 12:38   ` Lars Ingebrigtsen
2020-10-30 13:25     ` Eli Zaretskii
2020-11-02  2:58       ` LinSun via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-11-02  3:11         ` LinSun via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-11-02 15:31           ` Eli Zaretskii
2020-11-02 15:49             ` Andreas Schwab
2020-11-02 16:14               ` Eli Zaretskii
2020-11-02 16:41                 ` Andreas Schwab
2020-11-02 17:10                   ` Eli Zaretskii
2020-11-02 17:36                     ` Andreas Schwab
2020-11-02 17:59                       ` Eli Zaretskii
2020-11-02 18:02                         ` Andreas Schwab
2020-11-02 18:12                           ` Eli Zaretskii [this message]
2020-11-02 18:22                             ` Andreas Schwab
2020-11-02 18:35                               ` Eli Zaretskii
2020-11-02 18:58                                 ` Andreas Schwab
2020-11-02 19:31                                   ` Eli Zaretskii
2020-11-02 20:26                                     ` Andreas Schwab
     [not found]                                       ` <4BD75783-F561-4DB8-A733-13A3D924C8C1@hxcore.ol>
2020-11-03 15:29                                         ` Eli Zaretskii
2020-11-05  0:14                                           ` LinSun via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-11-07  9:28                                             ` Eli Zaretskii
2020-11-09  2:27                                               ` LinSun via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-11-05 15:59                                       ` Eli Zaretskii
2020-11-05 16:07                                         ` Andreas Schwab
2020-11-02 15:22         ` Lars Ingebrigtsen
2020-11-02 16:07           ` Eli Zaretskii
2020-11-02 16:30             ` Lars Ingebrigtsen

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