Re: setuid(geteuid());?

> This call
>
> setuid(geteuid());
>
> is found in backend/utils/init/postinit.c. AFAICT, this does nothing.
> Anyone got an idea?

Well, from my BSD manual it says:

The setuid() function sets the real and effective user IDs and the saved
set-user-ID of the current process to the specified value. The setuid()

so it seems to make sure the real/saved uid matches the effective uid.
Now, considering we don't use uid/euid distinction for anything, I agree
it is useless and should be removed.

I don't see any mention of getuid() except in odbc and pg_id. Seems
they should be geteuid() too.

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