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Message-ID:	<53DB8D23.7060806@alice.it>
Date:	Fri, 01 Aug 2014 14:50:43 +0200
From:	Angelo Graziosi <angelo DOT graziosi AT alice DOT it>
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To:	cygwin AT cygwin DOT com
Subject:	Re: (call-process ...) hangs in emacs

  Katsumi Yamaoka wrote:
> I'm troubled with a similar problem since Wednesday[1].
> /usr/bin/emacs that Cygwin distributed (24.3) seems ok, but
> /usr/local/bin/emacs that I built from the Emacs trunk Tuesday
> (24.4.50) got not to work conditionally.  With that version of
> Emacs:
>
> Evaluating the form `(call-process "pwd" nil t)' on normally
> running Emacs works.  It returns "/home/yamaoka" immediately.
> However, if it is done in the bacth mode,
>
> /usr/local/bin/emacs -Q -batch -eval '(call-process "pwd" nil t)'
>
> it never returns; the Emacs process eats no cpu but stays
> consistently[2].  `kill -9 PID' has no effect.
> Using the Windows Task Manager is the only means to kill it.

> [1] I did updating my Cygwin installation on Wednesday morning
>  for the first time in the last 7 days.  It must be the trigger
>  of the problem.  I also tried clean install of Cygwin, however
>  it didn't help.  Since it didn't seem to finish because of
>  texlive-collection-basic.sh (the bash process didn't eat cpu,
>  but never returned), I redid it by marking all the texlive
>  packages to be `Skip'.

Just for completeness.. or to add another story to the eternal Cygwin - 
Emacs saga..

Since I upgraded to Cygwin-1.7.31*, I see similar issue in building 
Emacs trunk (--with-w32 build)... The build always hangs in compiling 
some .el file. CTRL-C does not work and I have to search the running 
processes with "ps" and kill them with 'kill -9'. Downgrading to 1.7.30, 
things work better. Now I am using 1.7.30...

Here is on Win7 64 and cygwin64.

Ciao,
  Angelo.

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