Re: [HACKERS] lock.h and proc.h

Attached is a patch I just applied to clean this up. I didn't realize
how bad it was.

The reason for the name changes is that PROCLOCK is used by lock holders
and lock waiters.

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Tom Lane wrote:
> "Sumaira Ali" <nat_lazy(at)hotmail(dot)com> writes:
> > hi..i have questions about struct pgproc (in file proc.h) and proclock ( in
> > file lock.h) of the postgresql source code, does anyone know the exact
> > difference between pgproc and proclock structs??
>
> There's one PGPROC per process. There's one PROCLOCK for each process
> and each lock that that process has any interest in (ie, either
> currently holds or is waiting for).
>
> The comments for these structs seem to be a bit of a mess at the moment :-(
> Bruce renamed the struct types recently, but appears not to have done a
> good job of adjusting the comments to match. It may help to know that
> a proclock object was formerly called a "holder".
>
> regards, tom lane
>
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