669 	if (!p->ptrace &&  in reparent_leader()
705 			BUG_ON((!t->ptrace) != (rcu_access_pointer(t->parent) == father));  in forget_original_parent()
706 			if (likely(!t->ptrace))  in forget_original_parent()
740 	if (unlikely(tsk->ptrace)) {  in exit_notify()
1067 eligible_child(struct wait_opts *wo, bool ptrace, struct task_struct *p)  in eligible_child()  argument
1076 	if (ptrace || (wo->wo_flags & __WALL))  in eligible_child()
1229 static int *task_stopped_code(struct task_struct *p, bool ptrace)  in task_stopped_code()  argument
1231 	if (ptrace) {  in task_stopped_code()
1260 				int ptrace, struct task_struct *p)  in wait_task_stopped()  argument
1270 	if (!ptrace && !(wo->wo_flags & WUNTRACED))  in wait_task_stopped()
1273 	if (!task_stopped_code(p, ptrace))  in wait_task_stopped()
1279 	p_code = task_stopped_code(p, ptrace);  in wait_task_stopped()
1305 	why = ptrace ? CLD_TRAPPED : CLD_STOPPED;  in wait_task_stopped()
1383 static int wait_consider_task(struct wait_opts *wo, int ptrace,  in wait_consider_task()  argument
1397 	ret = eligible_child(wo, ptrace, p);  in wait_consider_task()
1406 		if (likely(!ptrace))  in wait_consider_task()
1411 	if (likely(!ptrace) && unlikely(p->ptrace)) {  in wait_consider_task()
1424 			ptrace = 1;  in wait_consider_task()
1436 			if (unlikely(ptrace) || likely(!p->ptrace))  in wait_consider_task()
1460 		if (likely(!ptrace) || (wo->wo_flags & (WCONTINUED | WEXITED)))  in wait_consider_task()
1474 	ret = wait_task_stopped(wo, ptrace, p);  in wait_consider_task()
1545 static bool is_effectively_child(struct wait_opts *wo, bool ptrace,  in is_effectively_child()  argument
1549 		!ptrace ? target->real_parent : target->parent;  in is_effectively_child()
1561 	bool ptrace;  in do_wait_pid()  local
1565 	ptrace = false;  in do_wait_pid()
1567 	if (target && is_effectively_child(wo, ptrace, target)) {  in do_wait_pid()
1568 		retval = wait_consider_task(wo, ptrace, target);  in do_wait_pid()
1573 	ptrace = true;  in do_wait_pid()
1575 	if (target && target->ptrace &&  in do_wait_pid()
1576 	    is_effectively_child(wo, ptrace, target)) {  in do_wait_pid()
1577 		retval = wait_consider_task(wo, ptrace, target);  in do_wait_pid()