Re: [HACKERS] Another crack at doing a Win32 build under MINGW - Mailing list pgsql-hackers-win32

From Andrew Dunstan
Subject Re: [HACKERS] Another crack at doing a Win32 build under MINGW
Date
Msg-id 4849.24.211.141.25.1078493059.squirrel@www.dunslane.net
Whole thread Raw
In response to Re: [HACKERS] Another crack at doing a Win32 build under MINGW  ("Magnus Hagander" <mha@sollentuna.net>)
List pgsql-hackers-win32
Magnus Hagander said:
>>
>> The message you are seeing looks like code that assumes that
>> a child can map to the same shared memory address as the
>> postmaster.  We haven't seen that fail for anyone before, but
>> it is an assumption we weren't sure about.  Of course this is
>> all a guess.
>
>
> I've seen both these messages after each other when -i is not
> specified. Been meaning to adress the issue of it not failing
> gracefully without -i on win32.
>
> Anyway. It seems the postmaster goes down while a child process is
> still going up (stats collector, I guess) or something along that line.
> This way the child can't attach to shared memory, and there you go.
>
> If you add PID information to the log, you will notice that the
> messages are from two different processes.
>

Is there a case for forcing -i and ignoring the GUC setting on Windows?
Since we can't do Unix domain sockets there it would seem to make sense.

cheers

andrew



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