Re: fork/exec patch: pre-CreateProcess finalization

Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > My guess is that this used to proc_exit the postgres backend, but now
> > proc_exits the postmaster, but that is only a guess.
>
> No. This is post-fork (and had better remain so). The change causes
> the sub-postmaster that has just finished handling a cancel request
> to exit with nonzero status, which the postmaster then interprets
> (correctly) as a child process crash.
>
> BTW, how are we going to do cancels in Windows-land? The sub-postmaster
> isn't gonna have access to the postmaster's list of child PIDs and
> cancel keys ...

When you say sub-postmaster, you mean we fork, then process the cancel
request? Seems we might need special handling in there, yea.

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