Re: Aw: Broken locking in old AddOnManager
"Axel Dörfler" <[email protected]> Fri, 23 Jan 2004 09:55:49 +0100 CET
| Newsgroups | gmane.os.openbeos.mediakit |
|---|---|
| Message-ID | <3053992025-BeMail@nichtsnutz> |
Marcus Overhagen <[email protected]> wrote: > > When you lock again in 2), the same reader could have been added in > > the > > meantime; you would have to check for its existence again. > > It's better in this case to hold the lock during the whole time, > > given > > that the whole process is relatively light-weight. > Well the idea was that RegisterReader() is only called from > RegisterAddOns() > which is only executed once during startup (and only from a single > thread). > The lock is only used to preserve list integrity (Rewind() changes > internal list > pointer). > > As soon as we implement node watching to dynamically register/ > unregister > plugins, will get more complicated, but I still think this locking is > ok. Ah, okay, then I just misunderstand this. Anyway the RegisterReader() and RegisterDecoder() are now locked during their whole lifetime, which should be needed for synchronization once we can also update add-ons. Bye, Axel.