GNU bug report logs - #4341
23.1; M-x locate runs synchronously

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From: Juri Linkov <juri@HIDDEN>
To: Tom Tromey <tromey@HIDDEN>
Cc: 4341 <at> debbugs.gnu.org
Subject: Re: bug#4341: 23.1; M-x locate runs synchronously
Organization: JURTA
References: <m3y6oua5cp.fsf@HIDDEN>
Date: Thu, 10 Sep 2009 04:17:14 +0300
In-Reply-To: <m3y6oua5cp.fsf@HIDDEN> (Tom Tromey's message of "Fri,
	04 Sep 2009 13:15:50 -0600")
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> Today I ran M-x locate.
> This took a little while -- long enough to bother me that Emacs was
> locked up for the entire time it was running.
>
> I think it would be preferable to run locate in asynchronously.

This would be possible when `locate' were more similar to `find-dired'.
I don't mean its output should be formatted as files in dired.
For that we could create a new command like `locate-dired'.
But maybe internals of `find-dired' should be generalized to
accept arbitrary commands.  This would allow implementing
`locate-dired', `rgrep-dired', `lgrep-dired', i.e. any command
that searches files with their output formatted for dired
like `find-name-dired', `find-grep-dired' and `find-dired'.

-- 
Juri Linkov
http://www.jurta.org/emacs/

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From: Tom Tromey <tromey@HIDDEN>
To: bug-gnu-emacs@HIDDEN
Subject: 23.1; M-x locate runs synchronously
Reply-To: Tom Tromey <tromey@HIDDEN>
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Please write in English if possible, because the Emacs maintainers
usually do not have translators to read other languages for them.

Your bug report will be posted to the bug-gnu-emacs@HIDDEN mailing list,
and to the gnu.emacs.bug news group.

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:


Today I ran M-x locate.
This took a little while -- long enough to bother me that Emacs was
locked up for the entire time it was running.

I think it would be preferable to run locate in asynchronously.



If Emacs crashed, and you have the Emacs process in the gdb debugger,
please include the output from the following gdb commands:
    `bt full' and `xbacktrace'.
If you would like to further debug the crash, please read the file
/usr/share/emacs/23.1/etc/DEBUG for instructions.


In GNU Emacs 23.1.1 (i386-redhat-linux-gnu, GTK+ Version 2.16.5)
 of 2009-08-24 on x86-2.fedora.phx.redhat.com
Windowing system distributor `The X.Org Foundation', version 11.0.10601901
configured using `configure  '--build=i386-redhat-linux-gnu' '--host=i386-redhat-linux-gnu' '--target=i586-redhat-linux-gnu' '--program-prefix=' '--prefix=/usr' '--exec-prefix=/usr' '--bindir=/usr/bin' '--sbindir=/usr/sbin' '--sysconfdir=/etc' '--datadir=/usr/share' '--includedir=/usr/include' '--libdir=/usr/lib' '--libexecdir=/usr/libexec' '--localstatedir=/var' '--sharedstatedir=/var/lib' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--with-dbus' '--with-gif' '--with-jpeg' '--with-png' '--with-rsvg' '--with-tiff' '--with-xft' '--with-xpm' '--with-x-toolkit=gtk' 'build_alias=i386-redhat-linux-gnu' 'host_alias=i386-redhat-linux-gnu' 'target_alias=i586-redhat-linux-gnu' 'CFLAGS=-DMAIL_USE_LOCKF -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i586 -mtune=generic -fasynchronous-unwind-tables''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: nil
  locale-coding-system: utf-8-unix
  default-enable-multibyte-characters: t

Major mode: Texinfo

Minor modes in effect:
  shell-dirtrack-mode: t
  diff-auto-refine-mode: t
  auto-fill-function: do-auto-fill
  erc-list-mode: t
  erc-menu-mode: t
  erc-autojoin-mode: t
  erc-ring-mode: t
  erc-pcomplete-mode: t
  erc-track-mode: t
  erc-track-minor-mode: t
  erc-match-mode: t
  erc-button-mode: t
  erc-fill-mode: t
  erc-stamp-mode: t
  erc-netsplit-mode: t
  erc-spelling-mode: t
  erc-truncate-mode: t
  flyspell-mode: t
  erc-status-mode: t
  erc-services-mode: t
  erc-networks-mode: t
  erc-irccontrols-mode: t
  erc-noncommands-mode: t
  erc-move-to-prompt-mode: t
  erc-readonly-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  global-auto-composition-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
<switch-frame> <down-mouse-1> <mouse-movement> <mouse-movement> 
<drag-mouse-1> <down-mouse-1> <mouse-1> C-x C-e C-a 
C-x b SPC * h t <tab> <tab> <tab> < <tab> <return> 
M-v M-v C-z o C-x b C-g <switch-frame> <next> <next> 
<prior> C-x k <return> C-x b SPC * h t <tab> <return> 
C-x k <return> <f10> M-v C-l C-u C-n C-u C-n C-l C-n 
C-n C-l M-> p m <tab> y e a h , SPC e x c e p t SPC 
o f t e n y o u <backspace> <backspace> SPC <backspace> 
<backspace> SPC y o u SPC w a n SPC t C-t t o SPC g 
o SPC d e b u g SPC <M-backspace> <M-backspace> s e 
t SPC a SPC b r e a k p o i n t SPC a n d SPC d e b 
u g SPC a n SPC e x p l i c i t SPC c a l l . SPC SPC 
a n SPC o p t i o n SPC m i g h t SPC b e SPC n i c 
e , SPC I SPC d u n n o . <backspace> <return> <f10> 
<f10> <f10> <f10> <f10> <f10> <f10> M-x e m m s - p 
a u s e <return> C-z o C-z o <f10> C-c b C-z o C-a 
<switch-frame> <switch-frame> <switch-frame> <f10> 
<f10> <f10> <f10> <f10> <switch-frame> <switch-frame> 
M-x l o c a t e <return> g n u - s C-t m l . e l <return> 
C-f C-z o C-z o C-z o C-h f l o c a t e <return> C-x 
o C-x 1 C-c b M-x s <backspace> e m a c s - <M-backspace> 
r e p r <backspace> o r t - e m <tab> b <tab> <ret
urn>

Recent messages:
Contacting host: localhost:3128
Reading [text/html]... 1k of 1k (101%)
Reading... done.
#<buffer  *http localhost:3128*<2>>
Making completion list...
call-interactively: Beginning of buffer
Quit
call-interactively: End of buffer
Mark set
Type C-x 1 to delete the help window, C-M-v to scroll help.

Tom