From: | Zdenek Kotala <Zdenek(dot)Kotala(at)Sun(dot)COM> |
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To: | pgsql-hackers(at)postgresql(dot)org |
Subject: | [TODO] Allow commenting of variables ... |
Date: | 2006-05-10 18:46:41 |
Message-ID: | 1147286801.12512.62.camel@unknown |
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Lists: | pgsql-hackers |
I would like to implement following item from TODO list:
* Allow commenting of variables in postgresql.conf to restore them to
defaults. Currently, if a variable is commented out, it keeps the
previous uncommented value until a server restarted.
Does anybody work on it?
I performed some investigation and I found that signal handler
(SIGHUP_handler) contents a big code and contents signal nonsafe
functions. It should generate deadlock or damage some internal data
structure in the standard c library. See
http://www.opengroup.org/onlinepubs/009695399/functions/xsh_chap02_04.html for detail. By my opinion is necessary to rewrite signal handling in postmaster to avoid postgres malfunction.
Zdenek
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