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Date:	Wed, 10 Jul 2013 17:10:14 -0400
From:	Christopher Faylor <cgf-use-the-mailinglist-please AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: emacs problem
Message-ID:	<20130710211014.GA2699@ednor.casa.cgf.cx>
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References:	<m9hik3kyjnk9 DOT fsf AT W0144758 DOT usac DOT mmm DOT com> <51DDAE03 DOT 2040209 AT cornell DOT edu> <20130710205538 DOT GA5740 AT ednor DOT casa DOT cgf DOT cx>
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On Wed, Jul 10, 2013 at 04:55:38PM -0400, Christopher Faylor wrote:
>On Wed, Jul 10, 2013 at 02:54:59PM -0400, Ken Brown wrote:
>>On 7/10/2013 2:07 PM, J. David Boyd wrote:
>>>
>>> I'm starting to see this error quite a bit in the terminal window I started
>>> emacs from:
>>>
>>> 0 [main] emacs-X11 19400 C:\tools\cygwin\bin\emacs-X11.exe: *** fatal error in
>>> forked process - failed to create new win32 semaphore, Win32 error 87
>>
>>Have you tried rebaseall 
>>(http://cygwin.com/faq.html#faq.using.fixing-fork-failures)?  This isn't 
>>the typical error message you see from rebase problems, but it can't 
>>hurt to try.  If that doesn't help, maybe you could test the build I 
>>mentioned at
>
>That doesn't look like the standard fork problem, Ken.  The error comes
>from semaphore::_fixup_after_fork:
>...
>Error code 87 is ERROR_INVALID_PARAMETER.  The only two things that I
>can see which would cause that problem are "sec_non_nih" and
>currentvalue.
>
>I'll change the error to report on currentvalue.  I assume that
>currentvalue must be zero for some reason here and that is what is
>causing the problem but it would be nice to know for sure.

The current snapshot has this change and a shot-in-the-dark attempt to
fix the reported problem as well.

cgf

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