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bug#34763: 27.0.50; url-retrieve-synchronously misbehaves inside eldoc-d
From: |
Dmitry Gutov |
Subject: |
bug#34763: 27.0.50; url-retrieve-synchronously misbehaves inside eldoc-documentation-function |
Date: |
Tue, 12 Mar 2019 17:02:31 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:66.0) Gecko/20100101 Thunderbird/66.0 |
Some further investigation follows.
I've checked out the revision before the one where eldoc started to use
while-no-input (6d898918980be4cb29a182ecde7f8e1f95a08462) and repeated
the scenario.
Predictably, Emacs was considerably less responsive, lots of pauses
waiting for the replies from the remote server.
Also predictably, no "Transfer interrupted" messages until I press C-g.
But I still reach the state where Emacs seemingly just freezes with
"Contacting host: www.google.com:80" in the echo area, and even faster
than with the current Emacs master (within the first 10-20 seconds).
I can abort that with tapping C-g, see that "Transfer interrupted"
message (Emacs still frozen), and then tapping C-g again to see "eldoc
error: (error Interrupted!)", wait a second, and see "Quit".
The message log is only slightly different: it consistently says:
"error in process sentinel: url-http-end-of-document-sentinel: Transfer
interrupted!"
Whereas previously, I mostly seen other sentinels mentioned here.
After Emacs freezes this way once and I C-g out of it, similarly to the
original problem description, any subsequent call to silly-eldoc freezes
right away. Calling url-retrieve-synchronously from eval-expression,
meanwhile, works (although kind of slowly).
This reminds me strongly of a problem with my third-party package
reported by several people, which I never managed to cleanly reproduce:
https://github.com/dgutov/robe/issues/105
Also tried this in Emacs 25.2, the scenario reproduces almost exactly.
- bug#34763: 27.0.50; url-retrieve-synchronously misbehaves inside eldoc-documentation-function, Dmitry Gutov, 2019/03/05
- bug#34763: 27.0.50; url-retrieve-synchronously misbehaves inside eldoc-documentation-function, Dmitry Gutov, 2019/03/10
- bug#34763: 27.0.50; url-retrieve-synchronously misbehaves inside eldoc-documentation-function, Eli Zaretskii, 2019/03/11
- bug#34763: 27.0.50; url-retrieve-synchronously misbehaves inside eldoc-documentation-function, Dmitry Gutov, 2019/03/12
- bug#34763: 27.0.50; url-retrieve-synchronously misbehaves inside eldoc-documentation-function,
Dmitry Gutov <=
- bug#34763: 27.0.50; url-retrieve-synchronously misbehaves inside eldoc-documentation-function, Eli Zaretskii, 2019/03/12
- bug#34763: 27.0.50; url-retrieve-synchronously misbehaves inside eldoc-documentation-function, Dmitry Gutov, 2019/03/12
- bug#34763: 27.0.50; url-retrieve-synchronously misbehaves inside eldoc-documentation-function, Eli Zaretskii, 2019/03/12
- bug#34763: 27.0.50; url-retrieve-synchronously misbehaves inside eldoc-documentation-function, Dmitry Gutov, 2019/03/12
- bug#34763: 27.0.50; url-retrieve-synchronously misbehaves inside eldoc-documentation-function, Eli Zaretskii, 2019/03/13
- bug#34763: 27.0.50; url-retrieve-synchronously misbehaves inside eldoc-documentation-function, Dmitry Gutov, 2019/03/15
- bug#34763: 27.0.50; url-retrieve-synchronously misbehaves inside eldoc-documentation-function, Eli Zaretskii, 2019/03/15
- bug#34763: 27.0.50; url-retrieve-synchronously misbehaves inside eldoc-documentation-function, Dmitry Gutov, 2019/03/15
- bug#34763: 27.0.50; url-retrieve-synchronously misbehaves inside eldoc-documentation-function, Dmitry Gutov, 2019/03/15
- bug#34763: 27.0.50; url-retrieve-synchronously misbehaves inside eldoc-documentation-function, Eli Zaretskii, 2019/03/15