From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
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To: | Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au> |
Cc: | Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: postmaster vs. postgres |
Date: | 2002-01-09 06:07:34 |
Message-ID: | 200201090607.g0967Yw21106@candle.pha.pa.us |
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Lists: | pgsql-hackers |
Christopher Kings-Lynne wrote:
> What is the difference between the postmaster binary and the postgres
> binary? Does the postmaster act as nothing more than a multiplexor for
> postgres processes or something?
The binaries are the same -- one is a symlink to the other. This allows
us to fork postgres children of the postmaster with no exec(). The
binary does read argv[0] and behaves differently depending on which
binary name it was called under.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
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