Nadia Derbey wrote: > Nick Andrew wrote: >> On Fri, Apr 04, 2008 at 04:51:29PM +0200, Nadia.Derbey@xxxxxxxx wrote: >> >>> . echo "LONG XX" > /proc/self/next_id >>> next object to be created will have an id set to XX >>> . echo "LONG<n> X0 ... X<n-1>" > /proc/self/next_id >>> next object to be created will have its ids set to XX0, ... X<n-1> >>> This is particularly useful for processes that may have several >>> ids if >>> they belong to nested namespaces. >> >> >> How do you handle race conditions, i.e. you specify the ID for the >> next object to be created, and then some other thread goes and creates >> an object before your thread creates one? >> >> Nick. > > > Sorry for not answering earlier, I just saw your e-mail! [I too managed to miss that message]. > > It's true that the way I've done things, the "create_with_id" doesn't > take into account multi-threaded apps, since "self" is related to the > thread group leader. > > May be using something like /proc/self/task/<my_tid>/next_id would be > better, but I have to think more about it... That /proc/self links to /proc/TGID slipped my mind. Definitely must be done on a per-thread basis (and /proc/<TGID>/task/<PID>/next_id will do the trick). Oren. > > Regards, > Nadia _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers