Hi! > * Patches 9 to 15 propose to add some functionalities, and thus are > submitted here for RFC, about both the interest and their implementation. > These functionalities are: > - Two new control-commands: > . IPC_SETID: to change an IPC's id. > . IPC_SETALL: behaves as IPC_SET, except that it also sets all time > and pid values) > - add a /proc/<pid>/semundo file to read and write the undo values of > some semaphores for a given process. > > As the namespaces and the "containers" are being integrated in the > kernel, these functionalities may be a first step to implement the > checkpoint/restart of an application: in fact the existing API does not allow > to specify or to change an ID when creating an IPC, when restarting an > application, and the times/pids values of each IPCs are also altered. May be > someone may find another interest about this ? > > So again, comments are welcome. Checkpoint/restart is nice, but... sysV ipc is broken by design, do we really want to extend it? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers