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bug#60996: 29.0.60; Native compile fails to remove temp file for trampol
From: |
Eli Zaretskii |
Subject: |
bug#60996: 29.0.60; Native compile fails to remove temp file for trampoline |
Date: |
Tue, 24 Jan 2023 19:50:27 +0200 |
> Cc: 60996@debbugs.gnu.org
> Date: Tue, 24 Jan 2023 14:56:00 +0200
> From: Eli Zaretskii <eliz@gnu.org>
>
> But first, I'd like to understand whether indeed it could happen that
> we are deleting a temporary .eln file for a trampoline we just
> compiled when we are still using that .eln file. If this happens,
> we'd need to find a way to delay the deletion till Emacs is about to
> exit or something.
I keep looking at the backtraces you provided, this:
> Debugger entered--Lisp error: (permission-denied "Removing old name"
> "Permission denied" "c:/Users/ajm/AppData/Local/Temp/comp-lambda-MTAMbr...")
> delete-file("c:/Users/ajm/AppData/Local/Temp/comp-lambda-MTAMbr...")
> #f(compiled-function () #<bytecode 0xb2aa5c0c9e24501>)()
> comp--native-compile((lambda (arg0 &optional arg1 arg2 arg3) (let ((f
> #'format-mode-line)) (funcall f arg0 arg1 arg2 arg3))) nil nil)
> comp-trampoline-compile(format-mode-line)
> comp-subr-trampoline-install(format-mode-line)
> advice--add-function(:around (#f(compiled-function () #<bytecode
> 0x3c5d8019df7e91>) . #f(compiled-function (gv--val) #<bytecode
> 0x8fdecbbba7cb3c2>)) delight--format-mode-line nil)
> advice-add(format-mode-line :around delight--format-mode-line)
> require(delight nil t)
And this:
> delete file("path/to/comp-lambda-XXXXX.eln")
> comp--native-compile((lambda (...) ...))
> comp-trampoline-compile(function-name)
> comp-subr-trampoline-install(function-name)
> advice--add-function(...)
> advice-add(function-name ...)
and I still don't have a clear picture regarding which code calls
delete-file and why. For example, the first backtrace above says that
comp--native-compile calls delete-file via some byte-compiled
function, not directly. But what is that byte-compiled function? can
you figure that out?
There is a direct call to delete-file in comp--native-compile, but is
that the call which fails? And if so, why does it fail? Which code
created the .eln file that comp--native-compile tries to delete?
Andrea, can you please describe in detail what happens, step by step,
when comp-subr-trampoline-install is called like above, to compile a
trampoline for an advised function? What is that file which
comp--native-compile is deleting at the end?
Thanks.
- bug#60996: 29.0.60; Native compile fails to remove temp file for trampoline, Andy Moreton, 2023/01/21
- bug#60996: 29.0.60; Native compile fails to remove temp file for trampoline, Andy Moreton, 2023/01/22
- bug#60996: 29.0.60; Native compile fails to remove temp file for trampoline, Eli Zaretskii, 2023/01/23
- bug#60996: 29.0.60; Native compile fails to remove temp file for trampoline, Andy Moreton, 2023/01/23
- bug#60996: 29.0.60; Native compile fails to remove temp file for trampoline, Eli Zaretskii, 2023/01/24
- bug#60996: 29.0.60; Native compile fails to remove temp file for trampoline,
Eli Zaretskii <=
- bug#60996: 29.0.60; Native compile fails to remove temp file for trampoline, Eli Zaretskii, 2023/01/24
- bug#60996: 29.0.60; Native compile fails to remove temp file for trampoline, Andy Moreton, 2023/01/24
- bug#60996: 29.0.60; Native compile fails to remove temp file for trampoline, Eli Zaretskii, 2023/01/25
- bug#60996: 29.0.60; Native compile fails to remove temp file for trampoline, Andy Moreton, 2023/01/25
- bug#60996: 29.0.60; Native compile fails to remove temp file for trampoline, Eli Zaretskii, 2023/01/26
- bug#60996: 29.0.60; Native compile fails to remove temp file for trampoline, Andrea Corallo, 2023/01/26