Quoting Dave Hansen ([email protected]): > On Mon, 2009-03-02 at 11:44 -0600, Serge E. Hallyn wrote: > > Quoting Dave Hansen ([email protected]): > > > On Mon, 2009-03-02 at 11:22 -0600, Nathan Lynch wrote: > > > > No.. I mean what if a process 1234 does > > > > > > > > f = fopen("/proc/1234/stat", "r"); > > > > > > > > and is then checkpointed. Can that path be resolved during restart, > > > > before pid 1234 is alive? > > > > > > Heh, that's a good one. > > > > > > It does mean that we can't do restore like this: > > > > > > for_each_cr_task() > > > restore_task_struct() > > > restore_files() > > > ... > > > > > > We have to do: > > > > > > for_each_cr_task() > > > restore_task_struct() > > > for_each_cr_task() > > > restore_files() > > > > > Which is what we actually do, right? > > OK, I have a really evil one. > > What if task 1234 does: > > open(O_RDONLY, "/proc/5678/fdinfo/44"); > > and task 5678 does: > > open(O_RDONLY, "/proc/5678/fdinfo/55");
Nice one. Let's make fdinfo files uncheckpointable for now :) -serge _______________________________________________ Containers mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/containers _______________________________________________ Devel mailing list [email protected] https://openvz.org/mailman/listinfo/devel
