Re: [HACKERS] why do shmem attach?

Tom Lane wrote:
>
> Vadim Mikheev <vadim(at)krs(dot)ru> writes:
> > Also, all this ShmemIndex stuff seems to be useless
> > (except of backend PID lookup but it's for sure
> > should be in separate hash table).
>
> Have I got a deal for you ;-). I have uncommitted changes that add
> a pointer (SHMEM_OFFSET that is) to each backend's PROC struct into
> the per-backend info array that already existed in shmem.c. The
> routines in shmem.c that searched for PROC structures are now in
> sinval.c, and just do a simple scan of the ProcState array to find
> the PROC structs. They should be a whole lot faster --- which is
> good since these things run with spinlocks held...

Nice. I have new member for PROC that should be searched
sometime -:)

Vadim