Re: win32 patch: processCancelRequest/reaper (+ various minor

Patch applied.  Thanks.

(No, no one calls SendPostmasterSignal that doesn't have the postmaster
as a parent.)

---------------------------------------------------------------------------

Claudio Natoli wrote:
>
> For application to HEAD, pending community review.
>
> Briefly,
>
> [all] Removed call to getppid in SendPostmasterSignal, replacing with a
> PostmasterPid variable, which gets set (early) in PostmasterMain
>   - Q: Is this ok? Specifically, does anything call this function where
> getppid would not be the postmaster?
>
> [fork/exec] Implements processCancelRequest by keeping an array of
> pid/cancel_key structs in shared mem
>
> [fork/exec] Moves AttachSharedMemoryAndSemaphores call for backends into
> SubPostmasterMain
>
> [win32] Implements reaper/waitpid by keeping an arrays of children
> pids,handles in postmaster local mem
>     - this item is largely untested, for reasons which should be
> obvious, but appears sound
>
> [win32/all] Added extern for pgpipe in Win32 case, and changed the second
> pipe call (which seems to have been missed earlier) to pgpipe
>
> [win32] #define'd ftruncate to chsize in the Win32 case
>
> [win32] PG_USLEEP for Win32 has a misplaced paren. Fixed.
>
> [win32] DLLIMPORT handling for MingW case
>
> Cheers,
> Claudio
>
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