diff options
| -rw-r--r-- | kernel/exit.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 022a0ff17318..4773ed990907 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -1040,7 +1040,7 @@ static int wait_task_zombie(struct wait_opts *wo, struct task_struct *p) /* * Move the task's state to DEAD/TRACE, only one thread can do this. */ - state = traced ? EXIT_TRACE : EXIT_DEAD; + state = traced && thread_group_leader(p) ? EXIT_TRACE : EXIT_DEAD; if (cmpxchg(&p->exit_state, EXIT_ZOMBIE, state) != EXIT_ZOMBIE) return 0; /* @@ -1140,18 +1140,15 @@ static int wait_task_zombie(struct wait_opts *wo, struct task_struct *p) if (!retval) retval = pid; - if (traced) { + if (state == EXIT_TRACE) { write_lock_irq(&tasklist_lock); /* We dropped tasklist, ptracer could die and untrace */ ptrace_unlink(p); - /* - * If this is not a sub-thread, notify the parent. - * If parent wants a zombie, don't release it now. - */ - state = EXIT_DEAD; - if (thread_group_leader(p) && - !do_notify_parent(p, p->exit_signal)) - state = EXIT_ZOMBIE; + + /* If parent wants a zombie, don't release it now */ + state = EXIT_ZOMBIE; + if (do_notify_parent(p, p->exit_signal)) + state = EXIT_DEAD; p->exit_state = state; write_unlock_irq(&tasklist_lock); } |
