| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Tatsuo Ishii <t-ishii(at)sra(dot)co(dot)jp> |
| Cc: | pgsql-hackers(at)postgreSQL(dot)org |
| Subject: | Re: [HACKERS] postmaster.pid |
| Date: | 1999-12-03 07:30:40 |
| Message-ID: | 199912030730.CAA06648@candle.pha.pa.us |
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| Thread: | |
| Lists: | pgsql-hackers |
> Hi,
>
> I have committed changes to postmaster.c. Now it creates a file called
> "postmaster.pid" under $PGDATA, which holds postmaster's process
> id. If the file has already existed, postmaster won't start. So we
> cannot start more than on postmaster with same $PGDATA any more. I
> believe it's a good thing. The file will be deleted upon postmaster
> shutting down.
I assume you do a kill(0) on the pid if the file exists on startup to
check to see if the pid is still valid?
--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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