Messages in this thread | | | From | KOSAKI Motohiro <> | Subject | Re: [RFC][PATCH] Add prctl to set sibling thread names | Date | Thu, 5 Nov 2009 14:42:23 +0900 (JST) |
| |
> KOSAKI Motohiro wrote: > >> KOSAKI Motohiro wrote: > >> > >>> John, I'd prefer to suggested another design. > >>> How about this? > >>> > >>> 1. remove pid argument from prctl > >>> 2. cancel pthread_setname_np() > >>> 3. instead, create pthread_attr_setname_np() > >>> 4. pthread_create() change own thread name by pthread_attr. > >>> > >>> It avoid many racy problem automatically. > >> Perhaps, but it also greatly reduces the flexibility of the > >> implementation by restricting name changes to create time. > > > > Hm. > > if your program really need to change another thread name, can you please tell us > > why it is necessary and when it is used? > > I think John's previous mails covered that pretty well. As for doing the > name change at create time, or sometime later, it just seems to me that > the flexibility of doing so later is worth having. While I know we don't > have to follow other systems implementations, in this case > pthread_setname_np() seems a reasonable model to follow to me.
You only said your mode is more flexible. but I want to know _why_ this flexibiliby is necessay. please tell us concrete use-case.
| |