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Re: Proposal for Allow postgresql.conf values to be changed via SQL - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Proposal for Allow postgresql.conf values to be changed via SQL
Date
Msg-id 12824.1352729821@sss.pgh.pa.us
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In response to Re: Proposal for Allow postgresql.conf values to be changed via SQL  (Greg Smith <greg@2ndQuadrant.com>)
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Greg Smith <greg@2ndQuadrant.com> writes:
> Regardless, exactly how to prevent two concurrent processes from writing 
> the same file feels like the last step in the small roadmap for what 
> this feature needs.

"Write a temp file and use rename(2) to move it into place" is the
standard solution for that.
        regards, tom lane

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