Received: (at 29735) by debbugs.gnu.org; 19 Dec 2017 18:47:35 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Tue Dec 19 13:47:35 2017 Received: from localhost ([127.0.0.1]:42630 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1eRMvP-0003th-IF for submit <at> debbugs.gnu.org; Tue, 19 Dec 2017 13:47:35 -0500 Received: from mout.gmx.net ([212.227.17.22]:64303) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <michael.albinus@HIDDEN>) id 1eRMvN-0003tT-Pg for 29735 <at> debbugs.gnu.org; Tue, 19 Dec 2017 13:47:34 -0500 Received: from detlef.gmx.de ([212.86.37.160]) by mail.gmx.com (mrgmx103 [212.227.17.168]) with ESMTPSA (Nemesis) id 0MI5rO-1eQntH0DzK-003rEz; Tue, 19 Dec 2017 19:47:21 +0100 From: Michael Albinus <michael.albinus@HIDDEN> To: Stefan Monnier <monnier@HIDDEN> Subject: Re: bug#29735: 27.0.50; It must be possible to suspend all timers References: <878te28zas.fsf@HIDDEN> <837etmskvi.fsf@HIDDEN> <871sjt3eoe.fsf@HIDDEN> <jwvzi6eag5f.fsf-monnier+bug#29735@HIDDEN> Date: Tue, 19 Dec 2017 19:47:08 +0100 In-Reply-To: <jwvzi6eag5f.fsf-monnier+bug#29735@HIDDEN> (Stefan Monnier's message of "Tue, 19 Dec 2017 10:58:40 -0500") Message-ID: <87y3lya72r.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.90 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Provags-ID: V03:K0:ncKMN4sEyXPTbE9rt+z0GOuULeeP/jTDtALPn0QFx8EVIwllcLB SrQVJR4ulzDeok3zPnMmDwBVWo3CbybgGA0DEX+IOH5uY3VbPpGAYncbM2gjFwmei6D4c22 XaZZAuJ9IGaxEwehJ9zH7ZOjP5RolDvI92W5VgP5EfK7iQ6TYgeLsa4ClV0YeBy/XaMRxBN HYmJfNy+iyB5fGtU+O4VA== X-UI-Out-Filterresults: notjunk:1;V01:K0:mnz8ouRCAeE=:DDs/hswtkOJQTRlr1DTEX+ VHHWRjaUkei95M0cKeGs1nqSCKMQSXIkqYOcVDtyHkM4vxWx6SCAWfdcYJhnJAOFk37w7uYnk K44xR4/0By9M9cOwPcIkH2xyeVgMwFdip9jJtIme3AnKntlyR5i2SJMa58IL2Igd5qczLExLR Hc9OfV/j+272C8S+fsL0NWULVKkp11chBAnJu/7ux8zW85CyPKuIBRVN45XJXxMPp5xMTF8+Y ImxptM7BHDXS0xMGHHDlkL7O0CiW1Ew7Vr7ACd0OOQXtsT98sYB4bWnFJ/XQw9oPraYQCcaXR BO1QXUBqDbIRaq5oFCfG+tWFIBYOnLw6hfd+XlOT9vIh8IjqVfBn91pQUSH24oCqT5WREWcPW 8yoOL77z5bvNhrQeAkp9hpXXPt43tsTl7QzrQjy/6imbeHh2WCJe/UGnY6nxCmqFBlW7gIDW2 XmukHhaPutoJg2pNrL6LHAsUEwsXCILH5eY8cQVfnFkXzny4OYCo94Z0CxEdFq52RoyOmFgMr MTbFZVcEALlx7wIqHiS5Nc+xxwPbLqfZ1mRfHgr491bnRU/C3Se4crGHKln9R5sSwwobI8qiG 7/1X4LWfrisQjovTlfbvHtCk/2QeqW2PGBnjo0NuKbjMZjH/X0HeVtRkyrCRQajpMZ07ZJfE+ eNB4RimE6wqdN8JME4wVOlew6YS1saUcvpoxaJnV5GrrRcMCAWiUlvZS4t0zt/cwp3h3fSx8O YpMgx01hRya9i/2bC4Wc4NwVg9nuO0uK4mpZqS427KAgYP8El2xbo3Kb6gW0cJVrKhLGwLmN0 nGRlutjlXqS2HkZym7DuBlYf+tbE94oeg1IZI756bBYdXrVym0= X-Spam-Score: -0.7 (/) X-Debbugs-Envelope-To: 29735 Cc: Eli Zaretskii <eliz@HIDDEN>, 29735 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -0.7 (/) Stefan Monnier <monnier@HIDDEN> writes: Hi Stefan, >> If during that time a timer starts, which wants to apply a regular file >> operation (let's say `file-attributes'), the corresponding commands are >> sent to the process related to the just started asynchronous process, >> instead to the working horse *tramp/method host*. This fails, of >> course. Therefore, the start of timers between the both code samples >> must be suppressed. > > Hmm... but IIUC the same problem shows up if some random process-filter > or process-sentinel uses, say, file-attributes on that same host, right? > So it's not specific to timers? In theory, yes. But I haven't seen it yet. During the initialization process of Tramp's asynchronous processes, in `tramp-sh-handle-start-file-process', no process-sentinel or process-filter shall run. Tramp itself tries to avoid this, by calling (accept-process-output proc timeout nil 0) See `tramp-accept-process-output'. The other situations process output could arrive are `sit-for' and `sleep-for'. I'm not aware that these functions are called inside the process initialization of `tramp-sh-handle-start-file-process'. > From the description you give, I understand that: > - start-file-process causes the creation of a new underlying ssh process > (that makes sense). yes > - so from then on, we have 2 (or more) ssh processes on the same host > and the issue is to know which process to use when. yes > So the problem is to somehow get the "context" of a given call to Tramp, > so as to know which process to use. > Do I understand correctly? yes > Currently you store which process to use as a "connection-property" > (and it defaults to the "main" process), so basically the "context" is > store in a kind of global variable. yes > Would it make sense to try and pass that "context" information as > additional arguments instead? Or via dynamically-coped variable? > > E.g. any call to file-attributes (or any other file-name-operation) > should always use the main process, right? So the mapping from > connection->process could be stored in a dynamically-scoped var, and > tramp-file-name-handler could let-bind this var to nil? That's exactly what I've tried prior the current implementation. `tramp-file-name-handler' is the main door all file name handler operations must pass. Inside this, I've stored the setting of the process connection-property somewhere, and I've set it to the "main process". After the respective handler function returned, I've restored the process connection property to its saved value. Unfortunately, this is not sufficient. I've still seen errors in `tramp-test41-asynchronous-requests' from time to time. And as I said already, it is almost impossible to debug this. It happens rarely only, and debugging changes time conditions. > Stefan Best regards, Michael.
bug-gnu-emacs@HIDDEN:bug#29735; Package emacs.
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From: Stefan Monnier <monnier@HIDDEN>
To: Michael Albinus <michael.albinus@HIDDEN>
Subject: Re: bug#29735: 27.0.50; It must be possible to suspend all timers
Message-ID: <jwvzi6eag5f.fsf-monnier+bug#29735@HIDDEN>
References: <878te28zas.fsf@HIDDEN> <837etmskvi.fsf@HIDDEN>
<871sjt3eoe.fsf@HIDDEN>
Date: Tue, 19 Dec 2017 10:58:40 -0500
In-Reply-To: <871sjt3eoe.fsf@HIDDEN> (Michael Albinus's message of "Sun, 17
Dec 2017 10:08:01 +0100")
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> If during that time a timer starts, which wants to apply a regular file
> operation (let's say `file-attributes'), the corresponding commands are
> sent to the process related to the just started asynchronous process,
> instead to the working horse *tramp/method host*. This fails, of
> course. Therefore, the start of timers between the both code samples
> must be suppressed.
Hmm... but IIUC the same problem shows up if some random process-filter
or process-sentinel uses, say, file-attributes on that same host, right?
So it's not specific to timers?
From the description you give, I understand that:
- start-file-process causes the creation of a new underlying ssh process
(that makes sense).
- so from then on, we have 2 (or more) ssh processes on the same host
and the issue is to know which process to use when.
So the problem is to somehow get the "context" of a given call to Tramp,
so as to know which process to use.
Do I understand correctly?
Currently you store which process to use as a "connection-property"
(and it defaults to the "main" process), so basically the "context" is
store in a kind of global variable.
Would it make sense to try and pass that "context" information as
additional arguments instead? Or via dynamically-coped variable?
E.g. any call to file-attributes (or any other file-name-operation)
should always use the main process, right? So the mapping from
connection->process could be stored in a dynamically-scoped var, and
tramp-file-name-handler could let-bind this var to nil?
Stefan
bug-gnu-emacs@HIDDEN:bug#29735; Package emacs.
Full text available.Received: (at 29735) by debbugs.gnu.org; 17 Dec 2017 18:44:01 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Dec 17 13:44:01 2017 Received: from localhost ([127.0.0.1]:39323 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1eQduq-0002AE-Qu for submit <at> debbugs.gnu.org; Sun, 17 Dec 2017 13:44:01 -0500 Received: from mout.gmx.net ([212.227.15.15]:65002) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <michael.albinus@HIDDEN>) id 1eQdul-00029x-Sb for 29735 <at> debbugs.gnu.org; Sun, 17 Dec 2017 13:43:59 -0500 Received: from detlef.gmx.de ([212.86.37.161]) by mail.gmx.com (mrgmx002 [212.227.17.190]) with ESMTPSA (Nemesis) id 0MSv6D-1eYelk1pEz-00Rsm6; Sun, 17 Dec 2017 19:43:49 +0100 From: Michael Albinus <michael.albinus@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Subject: Re: bug#29735: 27.0.50; It must be possible to suspend all timers References: <878te28zas.fsf@HIDDEN> <837etmskvi.fsf@HIDDEN> <871sjt3eoe.fsf@HIDDEN> <83efntqswc.fsf@HIDDEN> Date: Sun, 17 Dec 2017 19:43:48 +0100 In-Reply-To: <83efntqswc.fsf@HIDDEN> (Eli Zaretskii's message of "Sun, 17 Dec 2017 17:24:35 +0200") Message-ID: <87r2rtqjob.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.90 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Provags-ID: V03:K0:VGP1G+rf+ORZOV4AseZpKAUVtxa5YpfC5p6EEJQP128cIaAhnAa 6kedsC/0H0GGRLPtolTd/khGZV7c+AfOeRAUgiwohkpYT++fAfxay9xYPkTCCzniunzcz0f 9K6OnP8WIju4EHNXvQZCMickxg1uoGrcKhNlHr7Fx3LjsdX6OAL892ql9yE+jT6CvYqC5z1 yOTC1LdSrJXkH8jNRjeLQ== X-UI-Out-Filterresults: notjunk:1;V01:K0:Lo6Z0vJufSg=:pyKF5Cz0c8sDCPssraJrdA 1XQe4glQW27uLjsTuA9PDZZz/ItdDYvE+bMINmIOB5JU9Tq8o/y7iW7iJv+9a7u4Gf+smSLwr 2zk86SWOvSHCdMogtVLUX0mfM6D7gVPCI4dmy5Q1Mw5zJEpUe8Z3qPm6KOOt3ehnwoSR/+y7P MWxyohybwpTXVTmBJbOUy4bpHYZO60ehJ3hbP8TAfEsTHauRMh5TZNaJKcgcpKOJyi/5JNE2H bpUiomCq+R6cmmpjdXeiSCM6DET55l8kEhtMBC+XaHLBYJyJ1WA6oMz4efnv1AgL6/Mf7jCQw xFVkI5cc8mTOjtbwjoXM46eFEtkCPWnkYG1nAACtoHPgLH9Skq0tXjeEKdKZXGUjApyumKFKS +1aewBmZImPgN9n/c62TYqIPa24vbthufMcKrWdxba0ajv0ganracYzzfQnsYnAkWXHKLH9cc SHA2S7/j8Ia98SELu2JeMHmYsVhKf6LOoUXxzD2Cozul2L05RP1jp9KCL6Eq8DQaqliCgkWBo Wro6Lz9xgw6rya5CHhj+q0brqVnMzzQz7la8q17LW0wSw8XZS+vQbFBEiiWIaJ/JuoeKRmkS7 hHefCBwAkAdWMKOiVrXPZmBUZmCNoYpT4lkAZADbr5T73iNSfUK6kPfUWr8YcIy2oMGEIEoZp BgLH+pDCTHxbkbgj0zjT4Kb4OEIKKLiofyEBjcKxLSgk+y3AIgsTHF/mXP67ah/ku6X8Z3KBX OjwfrmaplKJpVZtD1hgeuwbucoY8PH+zUk0pk5XJxxNSSjJW1wNPcImtAlCmzQjvg0VPZR1kA c3t4Hi6l2zdKNSP23Eo9n1szFmOiUveah77xwUO12CrOa5D0m8= X-Spam-Score: -0.7 (/) X-Debbugs-Envelope-To: 29735 Cc: 29735 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -0.7 (/) Eli Zaretskii <eliz@HIDDEN> writes: Hi Eli, >> When another asynchronous process is needed, for example due to the call >> of `start-file-process', Tramp starts that asynchronous process calling >> ssh (for example). After that, initialization happens, including >> password handling, setting the remote shell, cd'ing to the working >> directory, calling the indicated command, and so on. During that time, >> Tramp is instructed to use another process buffer. See for example >> `tramp-sh-handle-start-file-process', where you find the lines >> >> ;; Set the new process properties. >> (tramp-set-connection-property v "process-name" name) >> (tramp-set-connection-property v "process-buffer" buffer) > > Not sure I follow: are you changing process-buffer of a process, or do > you have more than one process sharing the same process-buffer? Or > something else? Several processes, every one owns a separate process buffer. But the basic Tramp operations don't know which process is involved, therefore the actual process is kept via the process connections "process-name" and "process-buffer". > I guess I don't know how to interpret "Tramp is instructed to use > another process buffer". Who in this context is "Tramp", if there are > multiple async processes involved, each one with its own buffer? "Tramp" means the low level functions which communicate with processes. Something like `tramp-send-command', `tramp-send-string' or `tramp-maybe-open-connection'. Best regards, Michael.
bug-gnu-emacs@HIDDEN:bug#29735; Package emacs.
Full text available.Received: (at 29735) by debbugs.gnu.org; 17 Dec 2017 15:24:42 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Dec 17 10:24:42 2017 Received: from localhost ([127.0.0.1]:39212 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1eQanx-0005yK-PH for submit <at> debbugs.gnu.org; Sun, 17 Dec 2017 10:24:41 -0500 Received: from eggs.gnu.org ([208.118.235.92]:40770) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1eQanv-0005y7-SO for 29735 <at> debbugs.gnu.org; Sun, 17 Dec 2017 10:24:40 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1eQann-00045U-Eb for 29735 <at> debbugs.gnu.org; Sun, 17 Dec 2017 10:24:34 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,T_RP_MATCHES_RCVD autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:49397) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1eQann-00045G-BF; Sun, 17 Dec 2017 10:24:31 -0500 Received: from [176.228.60.248] (port=4314 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from <eliz@HIDDEN>) id 1eQanm-0004k3-MP; Sun, 17 Dec 2017 10:24:31 -0500 Date: Sun, 17 Dec 2017 17:24:35 +0200 Message-Id: <83efntqswc.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Michael Albinus <michael.albinus@HIDDEN> In-reply-to: <871sjt3eoe.fsf@HIDDEN> (message from Michael Albinus on Sun, 17 Dec 2017 10:08:01 +0100) Subject: Re: bug#29735: 27.0.50; It must be possible to suspend all timers References: <878te28zas.fsf@HIDDEN> <837etmskvi.fsf@HIDDEN> <871sjt3eoe.fsf@HIDDEN> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-Spam-Score: -5.0 (-----) X-Debbugs-Envelope-To: 29735 Cc: 29735 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Reply-To: Eli Zaretskii <eliz@HIDDEN> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -5.0 (-----) > From: Michael Albinus <michael.albinus@HIDDEN> > Cc: 29735 <at> debbugs.gnu.org > Date: Sun, 17 Dec 2017 10:08:01 +0100 > > When another asynchronous process is needed, for example due to the call > of `start-file-process', Tramp starts that asynchronous process calling > ssh (for example). After that, initialization happens, including > password handling, setting the remote shell, cd'ing to the working > directory, calling the indicated command, and so on. During that time, > Tramp is instructed to use another process buffer. See for example > `tramp-sh-handle-start-file-process', where you find the lines > > ;; Set the new process properties. > (tramp-set-connection-property v "process-name" name) > (tramp-set-connection-property v "process-buffer" buffer) Not sure I follow: are you changing process-buffer of a process, or do you have more than one process sharing the same process-buffer? Or something else? I guess I don't know how to interpret "Tramp is instructed to use another process buffer". Who in this context is "Tramp", if there are multiple async processes involved, each one with its own buffer?
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From: Michael Albinus <michael.albinus@HIDDEN>
To: Eli Zaretskii <eliz@HIDDEN>
Subject: Re: bug#29735: 27.0.50; It must be possible to suspend all timers
References: <878te28zas.fsf@HIDDEN> <837etmskvi.fsf@HIDDEN>
Date: Sun, 17 Dec 2017 10:08:01 +0100
In-Reply-To: <837etmskvi.fsf@HIDDEN> (Eli Zaretskii's message of "Sat, 16 Dec
2017 18:22:41 +0200")
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Eli Zaretskii <eliz@HIDDEN> writes:
Hi Eli,
>> In Tramp's start-file-process implementations, there are code segments
>> which must be guaranteed not to be interrupted by timers.
>
> Can you explain why is that?
Tramp must handle several asynchronous processes in parallel for a given
remote host. The main process is the working horse, sending all the remote
commands for the several file operations, and interpreting the received
output. This is performed via the connection buffer *tramp/method host*.
When another asynchronous process is needed, for example due to the call
of `start-file-process', Tramp starts that asynchronous process calling
ssh (for example). After that, initialization happens, including
password handling, setting the remote shell, cd'ing to the working
directory, calling the indicated command, and so on. During that time,
Tramp is instructed to use another process buffer. See for example
`tramp-sh-handle-start-file-process', where you find the lines
;; Set the new process properties.
(tramp-set-connection-property v "process-name" name)
(tramp-set-connection-property v "process-buffer" buffer)
All further low level process communication functions use from now on
that process. Until the initialization work is done, and the settings
are set back:
(tramp-flush-connection-property v "process-name")
(tramp-flush-connection-property v "process-buffer"))))))
If during that time a timer starts, which wants to apply a regular file
operation (let's say `file-attributes'), the corresponding commands are
sent to the process related to the just started asynchronous process,
instead to the working horse *tramp/method host*. This fails, of
course. Therefore, the start of timers between the both code samples
must be suppressed.
Best regards, Michael.
bug-gnu-emacs@HIDDEN:bug#29735; Package emacs.
Full text available.Received: (at 29735) by debbugs.gnu.org; 16 Dec 2017 16:23:01 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sat Dec 16 11:23:01 2017 Received: from localhost ([127.0.0.1]:37541 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1eQFEq-00051d-NZ for submit <at> debbugs.gnu.org; Sat, 16 Dec 2017 11:23:00 -0500 Received: from eggs.gnu.org ([208.118.235.92]:37524) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1eQFEn-00051I-Uu for 29735 <at> debbugs.gnu.org; Sat, 16 Dec 2017 11:22:59 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1eQFEe-00052g-0B for 29735 <at> debbugs.gnu.org; Sat, 16 Dec 2017 11:22:52 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,T_RP_MATCHES_RCVD autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:35585) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1eQFEd-00052Z-Sz; Sat, 16 Dec 2017 11:22:47 -0500 Received: from [176.228.60.248] (port=3524 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from <eliz@HIDDEN>) id 1eQFEb-0005Ll-Vz; Sat, 16 Dec 2017 11:22:47 -0500 Date: Sat, 16 Dec 2017 18:22:41 +0200 Message-Id: <837etmskvi.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Michael Albinus <michael.albinus@HIDDEN> In-reply-to: <878te28zas.fsf@HIDDEN> (message from Michael Albinus on Sat, 16 Dec 2017 16:31:23 +0100) Subject: Re: bug#29735: 27.0.50; It must be possible to suspend all timers References: <878te28zas.fsf@HIDDEN> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-Spam-Score: -5.0 (-----) X-Debbugs-Envelope-To: 29735 Cc: 29735 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Reply-To: Eli Zaretskii <eliz@HIDDEN> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -5.0 (-----) > From: Michael Albinus <michael.albinus@HIDDEN> > Date: Sat, 16 Dec 2017 16:31:23 +0100 > > In Tramp's start-file-process implementations, there are code segments > which must be guaranteed not to be interrupted by timers. Can you explain why is that?
bug-gnu-emacs@HIDDEN:bug#29735; Package emacs.
Full text available.Michael Albinus <michael.albinus@HIDDEN>
to control <at> debbugs.gnu.org.
Full text available.Received: (at submit) by debbugs.gnu.org; 16 Dec 2017 15:31:58 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sat Dec 16 10:31:58 2017 Received: from localhost ([127.0.0.1]:37504 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1eQERN-0001vx-Ar for submit <at> debbugs.gnu.org; Sat, 16 Dec 2017 10:31:57 -0500 Received: from eggs.gnu.org ([208.118.235.92]:54949) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <michael.albinus@HIDDEN>) id 1eQERK-0001vk-Nw for submit <at> debbugs.gnu.org; Sat, 16 Dec 2017 10:31:51 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <michael.albinus@HIDDEN>) id 1eQERD-0007mU-Rj for submit <at> debbugs.gnu.org; Sat, 16 Dec 2017 10:31:45 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,FREEMAIL_FROM autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:55654) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from <michael.albinus@HIDDEN>) id 1eQERD-0007m1-Ni for submit <at> debbugs.gnu.org; Sat, 16 Dec 2017 10:31:43 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45903) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from <michael.albinus@HIDDEN>) id 1eQERB-0006Vm-Sa for bug-gnu-emacs@HIDDEN; Sat, 16 Dec 2017 10:31:43 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <michael.albinus@HIDDEN>) id 1eQER7-0007WX-QT for bug-gnu-emacs@HIDDEN; Sat, 16 Dec 2017 10:31:41 -0500 Received: from mout.gmx.net ([212.227.17.20]:61880) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from <michael.albinus@HIDDEN>) id 1eQER7-0007R2-Fd for bug-gnu-emacs@HIDDEN; Sat, 16 Dec 2017 10:31:37 -0500 Received: from detlef.gmx.de ([212.86.40.135]) by mail.gmx.com (mrgmx102 [212.227.17.168]) with ESMTPSA (Nemesis) id 0MZwYd-1ejGSP1L4B-00Lnnq for <bug-gnu-emacs@HIDDEN>; Sat, 16 Dec 2017 16:31:34 +0100 From: Michael Albinus <michael.albinus@HIDDEN> To: bug-gnu-emacs@HIDDEN Subject: 27.0.50; It must be possible to suspend all timers Date: Sat, 16 Dec 2017 16:31:23 +0100 Message-ID: <878te28zas.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain X-Provags-ID: V03:K0:NDnQa98frEj4jfGmrOJ3Bd9zUKaIux4Cd+ittnPXI8iX5BZNtIb WZSfaeADs5xi47TUcGOdd2ryjdiF2/m9uP2+FI05QN3wWe9DAFfXth5x+1azejKUu2cC4SQ Q9JfWkcJ6L8J9MRpwjgaPkN2qmslRsD/arRqGoz3SmYDfJnm/kmC1jm80tb9PO9qltoQRmX 6PlwYiZxDCHnIuKAkI1DA== X-UI-Out-Filterresults: notjunk:1;V01:K0:XJZFC3zaKVQ=:P+RwjGVmfp2bvEqzqOI2po I9m31XPVeGqUh39U6Jsdx15+RiTP9fOK5RFtb+By+KFMuA9am1XVF6Z/kF9JB2UkFUzEUeH0H 8dDWaHsLMUEx5t2AQAdG7LXND2zPpj25bAOtcfElhhC8w1r1NfEr1fLkO7oaD3sWe1MrfsoVg JmCMW6REjgOJNLB8Ep+Er6rKnCYfwSVO1A6S9qQe0tsiSN4DlVKguhQdK387xFM3oxi/pft4o V5kVxBidPL6sxiLEQtg7k5lCGh+hpggIfDO+C5x5ss/TtRwGkzhXHJWSOMmug7aJ4N3NpmQZs 2hLxUlm8Qnk9Xhytci3lLEHQDxjOVvrvS/nnHNzJcG7lU9B/FmQY6KoNxje6z6DmXKOB/ev47 vf/HyFCYkj8gApe8/LBWU0/OQNZ5eYs4O7x0eztgX9hNiKLv2+f9BOlHurtsQ9fIk2vJRg3BB RFC58grIRE9/zNpAjDeN1FKbZaR/1aLhxelv8/XhHA0jsfP2jyTQG+EH0cJDk/XqHysI0CcDG CsZNnV+ueSVDcMN/Rrdf9Z6yGHycjESSMU1AhVdKjfweEx4x4vYAVaQUWmgQIgSR7Ui8vL+r0 dQ2BM/LgB+eUeaxFT9ITbu5YXrhmQL0LLNJOjHMbp4rOnTDHrOdee3reUbIAf48Zm++NB9ctF LLPsvVcwEyWxgWk2hYTPuJYF9mM6HigW08HfKPT0xDfSNnPAU+Kp5vysu0kugJzblWdnAQpt4 DQDkObYQ7KSGMJfkPoFFbjK5fTlkYzYn/j690ZLzkwPoOk8Du/K48wpuJcO5OMQp2pAzQwoHs UdIfuRBHdGCf4SjNHQIeCDOFTMXTjwUFHHiCOpARtBqBA39m3ypkmWO7VZ7ocz/6oSpTEAr X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -4.1 (----) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -4.1 (----) In Tramp's start-file-process implementations, there are code segments which must be guaranteed not to be interrupted by timers. Tramp implements this as (let (timer-list timer-idle-list) ...) but this is just a hack. Inside these code segments, it must still be possible for Tramp to activate own timers, in order to handle process output from remote side robustly. In GNU Emacs 27.0.50 (build 41, x86_64-pc-linux-gnu, GTK+ Version 3.22.25) of 2017-12-16 built on detlef Repository revision: f63d9f86b5688ac84ec6e7eecdbb6cac103dbcf2 Windowing system distributor 'The X.Org Foundation', version 11.0.11905000 System Description: Ubuntu 17.10 Recent messages: Opening nntp server on news...done Opening connection to imap.gmx.net via tls... Opening connection to imap.gmx.net...done Opening connection to outlook.office365.com via tls... Reading active file via nnml... 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/usr/local/src/emacs/lisp/net/tramp ~/src/tramp/lisp/tramp-loaddefs hides /usr/local/src/emacs/lisp/net/tramp-loaddefs ~/lisp/dbus hides /usr/local/src/emacs/lisp/net/dbus ~/src/tramp/lisp/tramp-gvfs hides /usr/local/src/emacs/lisp/net/tramp-gvfs ~/src/tramp/lisp/tramp-compat hides /usr/local/src/emacs/lisp/net/tramp-compat Features: (shadow sort mail-extr warnings emacsbug pop3 utf-7 nndraft nnmh nnml network-stream nsm starttls gnus-agent gnus-srvr gnus-score score-mode nnvirtual gnus-msg gnus-art mm-uu mml2015 mm-view mml-smime smime dig mailcap gnus-cache gnus-sum time-stamp nnnil smtpmail sendmail gnus-demon nntp gnus-group gnus-undo gnus-start gnus-cloud nnimap nnmail mail-source tls gnutls utf7 netrc nnoo gnus-spec gnus-int gnus-range message rmc puny rfc822 mml mml-sec epa derived epg mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader gnus-win gnus nnheader gnus-util rmail rmail-loaddefs rfc2047 rfc2045 ietf-drums mail-utils mm-util mail-prsvr wid-edit elec-pair erc-notify erc-networks erc-desktop-notifications erc-match notifications dbus xml erc-goodies erc erc-backend erc-compat thingatpt pp erc-loaddefs cperl-mode tramp-theme em-dirs esh-var esh-io esh-cmd esh-opt esh-ext esh-proc esh-arg esh-groups eshell esh-module esh-mode esh-util finder-inf rx docker-tramp tramp-cache slime-autoloads vagrant-tramp dash term disp-table ehelp info package easymenu epg-config url-handlers url-parse url-vars time tramp-sh tramp tramp-compat tramp-loaddefs trampver ucs-normalize shell pcomplete comint ansi-color ring parse-time format-spec advice auth-source cl-seq eieio eieio-core cl-macs eieio-loaddefs password-cache ido seq byte-opt gv bytecomp byte-compile cconv jka-compr icomplete paren vc cl-loaddefs cl-lib vc-dispatcher dired dired-loaddefs time-date mule-util tooltip eldoc electric uniquify ediff-hook vc-hooks lisp-float-type mwheel term/x-win x-win term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe tabulated-list replace newcomment text-mode elisp-mode lisp-mode prog-mode register page menu-bar rfn-eshadow isearch timer select scroll-bar mouse jit-lock font-lock syntax facemenu font-core term/tty-colors frame cl-generic cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese composite charscript charprop case-table epa-hook jka-cmpr-hook help simple abbrev obarray minibuffer cl-preloaded nadvice loaddefs button faces cus-face macroexp files text-properties overlay sha1 md5 base64 format env code-pages mule custom widget hashtable-print-readable backquote dbusbind inotify lcms2 dynamic-setting system-font-setting font-render-setting move-toolbar gtk x-toolkit x multi-tty make-network-process emacs) Memory information: ((conses 16 441838 21208) (symbols 48 40807 7) (miscs 40 76 245) (strings 32 102294 5183) (string-bytes 1 3103750) (vectors 16 59999) (vector-slots 8 1042537 16452) (floats 8 259 295) (intervals 56 361 0) (buffers 992 23))
Michael Albinus <michael.albinus@HIDDEN>:bug-gnu-emacs@HIDDEN.
Full text available.bug-gnu-emacs@HIDDEN:bug#29735; Package emacs.
Full text available.
GNU bug tracking system
Copyright (C) 1999 Darren O. Benham,
1997 nCipher Corporation Ltd,
1994-97 Ian Jackson.