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bug#51110: Native-comp leaks fds open on /dev/ptmx
From: |
Andrea Corallo |
Subject: |
bug#51110: Native-comp leaks fds open on /dev/ptmx |
Date: |
Tue, 30 Nov 2021 20:13:07 +0000 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
>> From: Stephen Gildea <stepheng+emacs@gildea.com>
>> cc: Andrea Corallo <akrl@sdf.org>, 51110@debbugs.gnu.org
>> Date: Sat, 09 Oct 2021 10:01:43 -0700
>>
>> Apparently what's happening is that Emacs forks off a child Emacs to do
>> the compile and allocates a pty to the child. These ptys are not
>> closed until the compile completes. It seems Emacs needs to better
>> manage the number of simultaneous open ptys. Or at least be able to
>> wait and retry if an open fails.
>
> Emacs limits the number of these background processes, see
> native-comp-async-jobs-number. (The value zero means use half of the
> number of execution units available in the system's processor.) So we
> generally shouldn't have more than that number of open pipes at any
> given time. For the obvious reasons they cannot be closed until the
> sub-process exits.
Is there any action we need/can take on this bug?
Thanks
Andrea
- bug#51110: Native-comp leaks fds open on /dev/ptmx,
Andrea Corallo <=