From: | "Magnus Hagander" <mha(at)sollentuna(dot)net> |
---|---|
To: | "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | "Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu>, <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Can we simplify win32 threading code |
Date: | 2005-06-01 16:14:05 |
Message-ID: | 6BCB9D8A16AC4241919521715F4D8BCE6C759A@algol.sollentuna.se |
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Lists: | pgsql-hackers |
> > Why not just use the pid in teh name, and have one segment
> per backend?
>
> Being used only for signals you mean? That might work.
That was my idea. We'll end up using three global namespace objects
(mutex+event+shared memory) instead of one (named pipe), but as we're
not talking thousands and thousands of backends in the normal case, this
shuold not be a problem I think. And if you do thousands and thousands
of backends, you'd better have the memory to support it anyway. I think
you'd hit other limits in the win32 port before you hit this one.
> I dislike fooling around with the contents of postmaster.pid,
> as that will inject platform-specific code into places where
> there is none now.
My thoughts exactly.
//Magnus
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