| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Cc: | pgsql-hackers(at)postgreSQL(dot)org |
| Subject: | Re: PITR Signalling the Archiver |
| Date: | 2004-05-11 20:55:26 |
| Message-ID: | 200405112055.i4BKtQh08296@candle.pha.pa.us |
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| Lists: | pgsql-hackers |
Simon Riggs wrote:
> A few questions may help to speed up my work
>
> I need to send a signal from a backend to the archiver process.
>
> 1. What signal should I use?
You can use any unused signal. I would suggest looking at what the
stats processes uses, and use something else like SIGUSR1.
> 2. How do I give the processid of the archiver to the backend? The
> archiver may restart at any time, so its pid could change after a
> backend is forked.
I was thinking of having it be in shared memory. I am going to work on
that part, but I need to finish the relocatable install stuff for Win32
first.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
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