Subject: Re: [HACKERS] backend freezeing on win32 fixed (I hope ;-) )
From: Chris Faylor <[email-masked]>
To: Tom Lane <[email-masked]>
Cc: Horak Daniel <[email-masked]>, "[email-masked]'" <[email-masked]>, "[email-masked]'" <[email-masked]>, "'Joost Kraaijeveld'" <[email-masked]>
Date: Mon, 16 Aug 1999 13:09:49 -0400

On Mon, Aug 16, 1999 at 10:07:00AM -0400, Tom Lane wrote:
>Is it possible that the CygWin environment doesn't have a correct
>emulation of IPC semaphores, such that a sema allocated by one process
>(the postmaster) is not available to other procs (the backends)?
>That would explain preallocation not working --- but if that's it then
>we have major problems in other places, since the code assumes that a
>sema once allocated will remain available to later backends.

We don't have correct emulation of IPC semapahores since they are not
implemented at all.  I assume that if you're relying on persistent
semaphores, then some add-on package is being used.

cgf

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