Re: pgsql-server/src/interfaces/libpq Makefile - Mailing list pgsql-committers

From Tom Lane
Subject Re: pgsql-server/src/interfaces/libpq Makefile
Date
Msg-id 26948.1050983378@sss.pgh.pa.us
Whole thread Raw
In response to Re: pgsql-server/src/interfaces/libpq Makefile  (Bruce Momjian <pgman@candle.pha.pa.us>)
List pgsql-committers
Bruce Momjian <pgman@candle.pha.pa.us> writes:
> Tom Lane wrote:
>> unlink (someone *please* tell me that that unlink in getaddrinfo_unix
>> is a brain-dead error...)

> Not sure --- that's why I added it.

After further research I conclude it is at best unnecessary and at worst
dangerous.  It is unnecessary because Lock_AF_UNIX() will alreay have
unlink'ed any pre-existing socket file in the postmaster-startup case.
It is dangerous because there is no reason that anyone would expect
getaddrinfo() to have destructive side-effects.  Certainly the
discussion of the AI_PASSIVE flag in the Linux manpage for getaddrinfo
doesn't suggest any such thing.

I'm going to remove it.

            regards, tom lane


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