Applied to user-cr. Thanks, Oren. On 12/10/2010 10:35 PM, Sukadev Bhattiprolu wrote: > > From: Sukadev Bhattiprolu <sukadev@xxxxxxxxxxxxxxxxxx> > Date: Fri, 10 Dec 2010 19:23:58 -0800 > Subject: [PATCH 1/1] Ghost tasks must be detached > > Ghost processes are created only to help restore orphaned sessions/pgrps. > As such once the session/pgrp is created the ghost must not send another > SIGCHLD to the parent but exit silently. So create such tasks as > "detached". > > See also: > > https://lists.linux-foundation.org/pipermail/containers/2010-December/026076.html > > Signed-off-by: Sukadev Bhattiprolu <sukadev@xxxxxxxxxxxxxxxxxx> > --- > restart.c | 7 +++++++ > 1 files changed, 7 insertions(+), 0 deletions(-) > > diff --git a/restart.c b/restart.c > index 9fb5e9f..d7ba26b 100644 > --- a/restart.c > +++ b/restart.c > @@ -1744,6 +1744,13 @@ static pid_t ckpt_fork_child(struct ckpt_ctx *ctx, struct task *child) > flags |= CLONE_THREAD | CLONE_SIGHAND | CLONE_VM; > else if (child->flags & TASK_SIBLING) > flags |= CLONE_PARENT; > + else if (child->flags & (TASK_GHOST|TASK_DEAD)) { > + /* > + * Ghosts must vanish silently (without signalling parent) > + * when they are done. > + */ > + flags = 0xFF; > + } > > memset(&clone_args, 0, sizeof(clone_args)); > clone_args.nr_pids = 1; _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers
