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From: Alex Harsanyi <alexharsanyi@gmail.com>
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Subject: Re: "resource temporarily unavailable" errors on windows 7
Date: Fri, 16 Mar 2012 09:12:50 +0800
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To: Eli Zaretskii <eliz@gnu.org>
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2012/3/16 Eli Zaretskii <eliz@gnu.org>:
>> Date: Thu, 15 Mar 2012 06:04:00 +0200
>> From: Eli Zaretskii <eliz@gnu.org>
>> Cc: emacs-devel@gnu.org
>>
>> > Date: Thu, 15 Mar 2012 08:02:42 +0800
>> > From: Alex Harsanyi <alexharsanyi@gmail.com>
>> > Cc: emacs-devel@gnu.org
>> >
>> > >> =A0 =A0cp->thrd =3D CreateThread (NULL, 64 * 1024, reader_thread, c=
p,
>> > >> 0x00010000, &id);
>> > >
>> > > And does this smaller stack reservation improve the situation, if yo=
u
>> > > return the initial memory request in allocate_heap to its original
>> > > value.
>> > >
>> >
>> > Yes it does. =A0I'm using a build with allocate_heap starting at 2GB
>> > (the original value) and this updated CreateThread call as my working
>> > Emacs. =A0 I will continue to use it and I will report if I see any mo=
re
>> > errors.
>>
>> OK, thanks. =A0If you don't see any problems with this, we could think
>> about making this fix permanent.
>
> As part of your testing, please try the code below, which should allow
> you to see whether Emacs can launch many simultaneous subprocesses (it
> can support up to 31 on Windows).
>
> Thanks.
>
>
> =A0(progn
> =A0 (dotimes (i 25)
> =A0 =A0 (start-process "hi" nil "ls")
> =A0 =A0 (message "%d" i)))

The above code worked fine on my fixed Emacs.
Alex