Re: Stats collection on Windows
От | Magnus Hagander |
---|---|
Тема | Re: Stats collection on Windows |
Дата | |
Msg-id | 6BCB9D8A16AC4241919521715F4D8BCEA35251@algol.sollentuna.se обсуждение исходный текст |
Ответ на | Stats collection on Windows ("Peter Brant" <Peter.Brant@wicourts.gov>) |
Ответы |
Re: Stats collection on Windows
|
Список | pgsql-hackers |
> >> HANDLE is process local? That is worse then, because then > there's no > >> guarentee that each process will see a different identifier. > > > HANDLE is process local. What you need to do is run > DuplicateHandle() > > on it specifying it should "also be valid for process Y" (for which > > you need a HANDLE opened, in this case the stats > collector). This will > > give you a new handle whichi s valid in the *target > process*, but it > > is *not* valid in your own process. > > What happens if process Y goes away between the time you > obtain a handle for it and the time you try to run this > DuplicateHandle call? I don't know offhand. I would assume one of two things: 1) DuplicateHandle() fails. 2) You get a handle back that is valid in the dead process (meaning it's not valid). I can put together some quick test-code for this if you need me to? //Magnus
В списке pgsql-hackers по дате отправления: