On Fri, Jan 10, 2014 at 1:00 AM, knizhnik <knizh...@garret.ru> wrote: > On 01/09/2014 11:09 PM, Amit Kapila wrote: >> >> >> Using DuplicateHandle(), we can make segment stick for Postmaster >> lifetime. I have used below test (used dsm_demo module) to verify: > > As far as I understand DuplicateHandle() should really do the trick: protect > segment from deallocation. > But should postmaster be somehow notified about this handle? > For example, if we really wants to delete this segment (drop extension), we > should somehow make Postmaster to close this handle. > How it can be done?
I think we need to use some form of IPC to communicate it to Postmaster. I could not think of any other way atm. With Regards, Amit Kapila. EnterpriseDB: http://www.enterprisedb.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers