Re: Isn't HANDLE 64 bits on Win64?

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От Magnus Hagander
Тема Re: Isn't HANDLE 64 bits on Win64?
Дата
Msg-id AANLkTi=KHxn_Ty7vqVMtCjtvG39N8y=+=js84wnqOogw@mail.gmail.com
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Ответ на Isn't HANDLE 64 bits on Win64?  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Isn't HANDLE 64 bits on Win64?  (Dave Page <dpage@pgadmin.org>)
Re: Isn't HANDLE 64 bits on Win64?  (Magnus Hagander <magnus@hagander.net>)
Список pgsql-hackers
On Tue, Nov 16, 2010 at 01:35, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> ... and if so, isn't postmaster.c's code to transfer a HANDLE value to a
> child process all wet?

It is definitely 64-bit. sizeof(HANDLE)==8.

So yes, it looks completely broken. I guess Windows doesn't actually
*assign* you a handle larger than 2^32 until you actually ahve that
many open handles. Typical values on my test system (win64) comes out
at around 4000 in all tests.


> BTW, it seems like it'd be a good thing if we had a Win64 machine in the
> buildfarm.

Yes. I actually thought we had one. Dave, weren't you going to set one up?

--
 Magnus Hagander
 Me: http://www.hagander.net/
 Work: http://www.redpill-linpro.com/


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