diff options
Diffstat (limited to 'kernel/exit.c')
| -rw-r--r-- | kernel/exit.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 879ed6e1c88..0da2921b1e7 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -698,7 +698,7 @@ reparent_thread(struct task_struct *p, struct task_struct *father, int traced) if (unlikely(traced)) { /* Preserve ptrace links if someone else is tracing this child. */ list_del_init(&p->ptrace_list); - if (p->parent != p->real_parent) + if (ptrace_reparented(p)) list_add(&p->ptrace_list, &p->real_parent->ptrace_children); } else { /* If this child is being traced, then we're the one tracing it @@ -865,8 +865,8 @@ static void exit_notify(struct task_struct *tsk, int group_dead) * only has special meaning to our real parent. */ if (!task_detached(tsk) && thread_group_empty(tsk)) { - int signal = (tsk->parent == tsk->real_parent) - ? tsk->exit_signal : SIGCHLD; + int signal = ptrace_reparented(tsk) ? + SIGCHLD : tsk->exit_signal; do_notify_parent(tsk, signal); } else if (tsk->ptrace) { do_notify_parent(tsk, SIGCHLD); @@ -1269,8 +1269,7 @@ static int wait_task_zombie(struct task_struct *p, int noreap, return 0; } - /* traced means p->ptrace, but not vice versa */ - traced = (p->real_parent != p->parent); + traced = ptrace_reparented(p); if (likely(!traced)) { struct signal_struct *psig; |