GNU bug report logs - #66020
[PATCH] Reduce GC churn in read_process_output

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From: Dmitry Gutov <dmitry <at> gutov.dev>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 66020 <at> debbugs.gnu.org, stefankangas <at> gmail.com, monnier <at> iro.umontreal.ca
Subject: bug#66020: (bug#64735 spin-off): regarding the default for read-process-output-max
Date: Thu, 21 Sep 2023 21:42:01 +0300

On 21/09/2023 21:39, Eli Zaretskii wrote:
>> Date: Thu, 21 Sep 2023 20:40:35 +0300
>> Cc:stefankangas <at> gmail.com,monnier <at> iro.umontreal.ca,66020 <at> debbugs.gnu.org
>> From: Dmitry Gutov<dmitry <at> gutov.dev>
>>
>> Can we get the "recorded" value back from the pipe somehow?
> There's F_GETPIPE_SZ command to fcntl, so I think we can.

I'll rephrase: is this a good idea (doing a +1 syscall every time we 
read a chunk, I'm not sure of its performance anyway), or should we add 
a new field to Lisp_Process after all?

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