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From: Tom Tromey <tromey@redhat.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: lekktu@gmail.com, monnier@iro.umontreal.ca, emacs-devel@gnu.org
Subject: Re: the state of the concurrency branch
Date: Wed, 28 Aug 2013 21:54:53 -0600	[thread overview]
Message-ID: <874na9talu.fsf@fleche.redhat.com> (raw)
In-Reply-To: <831u5dg4xz.fsf@gnu.org> (Eli Zaretskii's message of "Wed, 28 Aug 2013 19:23:20 +0300")

>> . Will the handling of SIGCHLD be thread-specific or global?  IOW, if
>> a thread fires up a subprocess, which exits while another thread is
>> running, which thread(s) will get the signal?  If the signal
>> arrives at some other thread, how will that thread know to handle
>> it, if it doesn't watch the corresponding fd's?

Eli> Please answer this question, if you can: I need the answer to analyze
Eli> what, if any, changes are needed in how Emacs on Windows handles
Eli> process demise and emulates SIGCHLD.  Currently, we watch all of the
Eli> subprocesses inside the 'pselect' call; the question is: should we
Eli> only watch those of them that are relevant to the thread that calls
Eli> 'pselect'.

I have to look into it and I haven't found the time.
I will try to get to it soon.
It's possible that it is just an oversight on my part; however I would
say that the goal is that if a process is locked to a particular thread
then that thread should also invoke the process sentinel; beyond that I
am less clear on the issue.

Tom



  reply	other threads:[~2013-08-29  3:54 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-25 19:26 the state of the concurrency branch Tom Tromey
2013-08-25 19:36 ` Paul Eggert
2013-08-25 19:43   ` Tom Tromey
2013-08-25 20:02     ` Paul Eggert
2013-08-26 14:55       ` Tom Tromey
2013-08-25 20:30     ` Tom Tromey
2013-08-26 16:48 ` Stefan Monnier
2013-08-26 17:04   ` Juanma Barranquero
2013-08-26 17:19     ` Tom Tromey
2013-08-26 18:51     ` Eli Zaretskii
2013-08-26 21:29       ` Stefan Monnier
2013-08-27  2:30         ` Tom Tromey
2013-08-27 16:08           ` Eli Zaretskii
2013-08-27 18:05             ` Paul Eggert
2013-08-27 18:23               ` Tom Tromey
2013-08-27 18:39                 ` Paul Eggert
2013-08-27 18:46                   ` Tom Tromey
2013-08-27 18:52                     ` Paul Eggert
2013-08-27 19:08                       ` Eli Zaretskii
2013-08-27 19:12                         ` Paul Eggert
2013-08-27 18:26               ` Eli Zaretskii
2013-08-27 19:14             ` Tom Tromey
2013-08-27 19:24               ` Eli Zaretskii
2013-08-27 19:29                 ` Tom Tromey
2013-08-28  0:50             ` Stefan Monnier
2013-08-28  4:16               ` Eli Zaretskii
2013-08-28  4:31                 ` Tom Tromey
2013-08-28  4:58                 ` Eli Zaretskii
2013-08-28 13:21                   ` Stefan Monnier
2013-08-28 13:48                     ` Tom Tromey
2013-08-28 14:27                       ` Stefan Monnier
2013-08-28 16:23             ` Eli Zaretskii
2013-08-29  3:54               ` Tom Tromey [this message]
2013-08-29 15:10                 ` Eli Zaretskii
2013-08-31  9:57                   ` Eli Zaretskii
2013-08-31 11:51                     ` Eli Zaretskii
2013-08-31 13:42                       ` Eli Zaretskii
2013-09-01 15:49                         ` Eli Zaretskii
2013-09-02 15:27                           ` Eli Zaretskii
2013-08-28  0:45           ` Stefan Monnier
2013-08-28  2:34             ` Tom Tromey
2013-08-27 18:33         ` Tom Tromey
2013-08-28 15:58       ` Eli Zaretskii
  -- strict thread matches above, loose matches on Subject: below --
2013-10-16 18:24 Barry OReilly
2013-10-16 20:25 ` Barry OReilly
2013-10-18  1:41   ` Tom Tromey
2013-10-18  3:32   ` Tom Tromey
2013-10-18 18:13     ` Stefan Monnier
2013-10-18 18:16       ` Tom Tromey
2013-10-19 18:41         ` Richard Stallman
2013-10-19 19:29         ` Barry OReilly
2013-10-19 21:42           ` Stefan Monnier
2013-10-20  0:41             ` Barry OReilly
2013-10-21 15:08             ` Tom Tromey
2013-10-21 16:07               ` Barry OReilly
2013-10-21 18:17                 ` Stefan Monnier
2013-10-21 16:41               ` Stefan Monnier
2013-10-19 20:21         ` Barry OReilly

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