Re: PostgreSQL, NetBSD and NFS - Mailing list pgsql-hackers

From D'Arcy J.M. Cain
Subject Re: PostgreSQL, NetBSD and NFS
Date
Msg-id 200302020842.26975.darcy@druid.net
Whole thread Raw
In response to Re: PostgreSQL, NetBSD and NFS  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: PostgreSQL, NetBSD and NFS  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
On Saturday 01 February 2003 15:48, Tom Lane wrote:
> More and more bizarre.  What is the hardware platform --- does it have TAS?

NetBSD on a Pentium (i386 port) so yes, it does have TAS.  I assume you were
thinking about the spinlock emulation.

I have been looking through backend/storage/lmgr/lwlock.c and
backend/storage/lmgr/spin.c myself and can't find any place that it can get
into an infinite loop without making a system call within the loop.  It's
very odd.  Also odd, why would running over NFS have any bearing on it if we
could find such a place?

--
D'Arcy J.M. Cain <darcy@{druid|vex}.net>   |  Democracy is three wolves
http://www.druid.net/darcy/                |  and a sheep voting on
+1 416 425 1212     (DoD#0082)    (eNTP)   |  what's for dinner.


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