diff options
| -rw-r--r-- | fs/exec.c | 27 |
1 files changed, 0 insertions, 27 deletions
@@ -665,9 +665,7 @@ static int de_thread(struct task_struct *tsk) * and to assume its PID: */ if (!thread_group_leader(current)) { - struct task_struct *parent; struct dentry *proc_dentry1, *proc_dentry2; - unsigned long ptrace; /* * Wait for the thread group leader to be a zombie. @@ -704,22 +702,6 @@ static int de_thread(struct task_struct *tsk) * two threads with a switched PID, and release * the former thread group leader: */ - ptrace = leader->ptrace; - parent = leader->parent; - if (unlikely(ptrace) && unlikely(parent == current)) { - /* - * Joker was ptracing his own group leader, - * and now he wants to be his own parent! - * We can't have that. - */ - ptrace = 0; - } - - ptrace_unlink(current); - ptrace_unlink(leader); - remove_parent(current); - remove_parent(leader); - /* Become a process group leader with the old leader's pid. * Note: The old leader also uses thispid until release_task @@ -732,8 +714,6 @@ static int de_thread(struct task_struct *tsk) attach_pid(current, PIDTYPE_SID, current->signal->session); list_add_tail(¤t->tasks, &init_task.tasks); - current->parent = current->real_parent = leader->real_parent; - leader->parent = leader->real_parent = child_reaper; current->group_leader = current; leader->group_leader = current; @@ -742,13 +722,6 @@ static int de_thread(struct task_struct *tsk) detach_pid(leader, PIDTYPE_SID); list_del_init(&leader->tasks); - add_parent(current); - add_parent(leader); - if (ptrace) { - current->ptrace = ptrace; - __ptrace_link(current, parent); - } - current->exit_signal = SIGCHLD; BUG_ON(leader->exit_state != EXIT_ZOMBIE); |