From: | Markus Wanner <markus(at)bluegap(dot)ch> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, ITAGAKI Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp>, Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Synchronous Log Shipping Replication |
Date: | 2008-09-11 16:31:46 |
Message-ID: | 48C947F2.4020001@bluegap.ch |
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Lists: | pgsql-hackers |
Hi,
Tom Lane wrote:
> No, that's not what I had in mind at all, just the ability to deliver
> one of a specified set of event notifications --- ie, get around the
> fact that Unix only gives us two user-definable signal types.
Ah, okay. And I already thought you'd like imessages :-(
> For signals sent from other backends, it'd be sufficient to put a
> bitmask field into PGPROC entries, which the sender could OR bits into
> before sending the one "real" signal event (either SIGUSR1 or SIGUSR2).
That might work for expanding the number of available signals, yes.
Regards
Markus Wanner
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