Re: [PATCH] Make various variables read-only (const) - Mailing list pgsql-hackers

From Tom Lane
Subject Re: [PATCH] Make various variables read-only (const)
Date
Msg-id 11756.1390079374@sss.pgh.pa.us
Whole thread Raw
In response to [PATCH] Make various variables read-only (const)  (Oskari Saarenmaa <os@ohmu.fi>)
List pgsql-hackers
Oskari Saarenmaa <os@ohmu.fi> writes:
> This allows the variables to be moved from .data to .rodata section which
> means that more data can be shared by processes and makes sure that nothing
> can accidentally overwrite the read-only definitions.  On a x86-64 Linux
> system this moves roughly 9 kilobytes of previously writable data to the
> read-only data segment in the backend and 4 kilobytes in libpq.

Committed, with the changes mentioned upthread and some other minor
editorialization.  I also adopted Wim Lewis' suggestion to not export
pg_encname_tbl[] at all anymore, since it's hard to see what the point
is of doing anything besides pg_char_to_encoding() with it.
        regards, tom lane



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