Mailing-List: contact cygwin-help@sourceware.cygnus.com; run by ezmlm List-Unsubscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@sourceware.cygnus.com Delivered-To: mailing list cygwin@sourceware.cygnus.com From: Chris Faylor Date: Mon, 16 Aug 1999 13:09:49 -0400 To: Tom Lane Cc: Horak Daniel , "'pgsql-hackers@postgreSQL.org'" , "'cygwin@sourceware.cygnus.com'" , "'Joost Kraaijeveld'" Subject: Re: [HACKERS] backend freezeing on win32 fixed (I hope ;-) ) Message-ID: <19990816130949.A1087@cygnus.com> Reply-To: cygwin@sourceware.cygnus.com Mail-Followup-To: Tom Lane , Horak Daniel , "'pgsql-hackers@postgreSQL.org'" , "'cygwin@sourceware.cygnus.com'" , 'Joost Kraaijeveld' References: <2E7F82FAC1FCD2118E1500A024B3BF907DED3B@exchange.mmp.plzen-city.cz> <601.934812420@sss.pgh.pa.us> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.6i In-Reply-To: <601.934812420@sss.pgh.pa.us>; from Tom Lane on Mon, Aug 16, 1999 at 10:07:00AM -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 -- Want to unsubscribe from this list? Send a message to cygwin-unsubscribe@sourceware.cygnus.com