Dave Page wrote:
The reason it should be in the Global namespace is that shmem is one part of
detecting an existing postmaster. Especially in situations where the db is
started
by hand, the protection against duplicate startup is important.
Yeah, as Magnus reminded me.
IMNSHO we need to find a different exclusion mechanism that isn't as
cumbersome and surrounded by caveats as this one.
The buildfarm also uses an exclusion mechanism, based on Perl's flock(),
and it's a simple one line call. AFAIK that works just fine on Windows
(I will double check). If so, we should possibly look at how Perl does
that on Windows.
cheers
andrew
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