GNU bug report logs - #5723
23.1.94; make-network-process and emacs hangs

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From: bug-gnu-emacs <at> gnu.org (GNU bug Tracking System)
To: Leo <sdl.web <at> gmail.com>
Subject: bug#5723 closed by YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
 ()
Date: Thu, 25 Mar 2010 09:01:03 +0000

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This is an automatic notification regarding your bug report
which was filed against the emacs package:

#5723: 23.1.94; make-network-process and emacs hangs

It has been closed by YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>.

Their explanation is attached below along with your original report.
If this explanation is unsatisfactory and you have not received a
better one in a separate message then please contact YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp> by
replying to this email.


-- 
5723: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=5723
GNU Bug Tracking System
Contact bug-gnu-emacs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
To: 5723-done <at> debbugs.gnu.org
Date: Thu, 25 Mar 2010 18:00:29 +0900

Closed with this change:

revno: 99751
committer: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
branch nick: trunk
timestamp: Thu 2010-03-25 17:56:15 +0900
message:
  Don't call turn_on_atimers around `connect' (Bug#5723).

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From: Leo <sdl.web <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 23.1.94; make-network-process and emacs hangs
Date: Mon, 15 Mar 2010 16:01:20 +0000

The source code of make-network-process (around line 3648 in process.c)
seems to suggest that this function is blocking and my experience can
confirm the case.

When there's no network connection, make-network-process returns in a
short duration. Where it become nasty is in a network where certain
ports are blocked, for example, in my uni's wireless network, the irc
port is blocked and if I accidentally run M-x irc then emacs hangs for
hours.

Could this be improved i.e. by wrapping it in with-local-quit?

Thanks.


In GNU Emacs 23.1.94.1 (x86_64-apple-darwin10.2.0, Carbon Version 1.6.0 AppKit 1038.25)
 of 2010-03-14 on Victoria.local
Windowing system distributor `Apple Inc.', version 10.6.2
configured using `configure  '--prefix=/usr/local/unix/emacs' '--with-mac' 'CFLAGS=''

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: nil
  value of $XMODIFIERS: nil
  locale-coding-system: iso-latin-1-unix
  default enable-multibyte-characters: t

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