At Wed, 06 Apr 2022 15:31:53 +0900 (JST), Kyotaro Horiguchi 
<horikyota....@gmail.com> wrote in 
> At Wed, 06 Apr 2022 14:30:37 +0900 (JST), Kyotaro Horiguchi 
> <horikyota....@gmail.com> wrote in 
> > So if we don't want to move any member in PGPROC, we do:
> > 
> > 14: after statusFlags.
> > 13: after delayChkpt.
> > 12-10: after syncRepState (and before syncRepLinks).
> > 
> > If we allow to shift some members, the new flag can be placed more
> > saner place.
> > 
> > 14: after delayChkpt ((uint8)statusFlags moves forward by 1 byte)
> > 13: after delayChkpt (no member moves)
> > 12-10: after subxids ((bool)procArrayGroupMember moves forward by 1 byte)
> > 
> > I continue working on the last direction above.
> 
> Hmm. That is ABI break.  I go with the first way.

By the way, the patch for -14 changed the sigunature of two public
functions.

-GetVirtualXIDsDelayingChkpt(int *nvxids)
+GetVirtualXIDsDelayingChkpt(int *nvxids, int type)

-HaveVirtualXIDsDelayingChkpt(VirtualTransactionId *vxids, int nvxids)
+HaveVirtualXIDsDelayingChkpt(VirtualTransactionId *vxids, int nvxids, int type)


Do I need to restore the signature?

regards.

-- 
Kyotaro Horiguchi
NTT Open Source Software Center


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