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Re: Immediate shutdown and system(3)

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
Cc: Greg Stark <stark(at)enterprisedb(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>
Subject: Re: Immediate shutdown and system(3)
Date: 2009-02-27 15:44:01
Message-ID: 19192.1235749441@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> writes:
> Greg Stark wrote:
>> This isn't the first time we've run into the problem that we've run
>> out of signals. I think we need to multiplex all our event signals
>> onto a single signal and use some other mechanism to indicate the type
>> of message.

> Yeah. A patch to do that was discussed a while ago, as Fujii's 
> synchronous replication patch bumped into that as well. I don't feel 
> like changing the signaling so dramatically right now, however.

It's not really a feasible answer anyway for auxiliary processes that
have no need to be connected to shared memory.

			regards, tom lane

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