Re: Connection pooling.

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От Alfred Perlstein
Тема Re: Connection pooling.
Дата
Msg-id 20000712000947.D25571@fw.wintelcom.net
обсуждение исходный текст
Ответ на Re: Connection pooling.  (Tom Lane <tgl@sss.pgh.pa.us>)
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* Tom Lane <tgl@sss.pgh.pa.us> [000712 00:04] wrote:
> Alfred Perlstein <bright@wintelcom.net> writes:
> > * Tom Lane <tgl@sss.pgh.pa.us> [000711 22:53] wrote:
> >> The killer problem here is that you can't hand off a connection
> >> accepted by the postmaster to a backend except by fork() --- at least
> >> not with methods that work on a wide variety of Unixen.
> 
> > The code has been around since 4.2BSD, it takes a bit of #ifdef to
> > get it right on all systems but it's not impossible, have a look at
> > http://www.fhttpd.org/ for a web server that does this in a portable
> > fashion.
> 
> I looked at this to see if it would teach me something I didn't know.
> It doesn't.  It depends on sendmsg() which is a BSD-ism and not very
> portable.

It's also specified by Posix.1g if that means anything.

-Alfred


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