Re: pg15b1: FailedAssertion("val > base", File: "...src/include/utils/relptr.h", Line: 67, PID: 30485)

At Tue, 31 May 2022 15:57:14 -0400, Robert Haas <robertmhaas@gmail.com> wrote in 
> 1. Using a relative pointer value other than 0 to represent a null
> pointer. Andres suggested (Size) -1.

I thought that relptr as a part of DSM so the use of offset=0 is
somewhat illegal. But I like this. We can fix this by this
modification. I think ((Size) -1) is natural to signal something
special. (I see glibc uses "(size_t) -1".)

> 2. Not storing the free page manager for the DSM in the main shared
> memory segment at byte offset 0.
> 3. Dropping the assertion while loudly singing "la la la la la la".

reagards.

-- 
Kyotaro Horiguchi
NTT Open Source Software Center