49 static inline struct autogroup *autogroup_task_get(struct task_struct *p)  in autogroup_task_get()  argument
54 	if (!lock_task_sighand(p, &flags))  in autogroup_task_get()
57 	ag = autogroup_kref_get(p->signal->autogroup);  in autogroup_task_get()
58 	unlock_task_sighand(p, &flags);  in autogroup_task_get()
107 bool task_wants_autogroup(struct task_struct *p, struct task_group *tg)  in task_wants_autogroup()  argument
119 	if (p->flags & PF_EXITING)  in task_wants_autogroup()
125 void sched_autogroup_exit_task(struct task_struct *p)  in sched_autogroup_exit_task()  argument
132 	sched_move_task(p);  in sched_autogroup_exit_task()
136 autogroup_move_group(struct task_struct *p, struct autogroup *ag)  in autogroup_move_group()  argument
142 	BUG_ON(!lock_task_sighand(p, &flags));  in autogroup_move_group()
144 	prev = p->signal->autogroup;  in autogroup_move_group()
146 		unlock_task_sighand(p, &flags);  in autogroup_move_group()
150 	p->signal->autogroup = autogroup_kref_get(ag);  in autogroup_move_group()
162 	for_each_thread(p, t)  in autogroup_move_group()
165 	unlock_task_sighand(p, &flags);  in autogroup_move_group()
170 void sched_autogroup_create_attach(struct task_struct *p)  in sched_autogroup_create_attach()  argument
174 	autogroup_move_group(p, ag);  in sched_autogroup_create_attach()
182 void sched_autogroup_detach(struct task_struct *p)  in sched_autogroup_detach()  argument
184 	autogroup_move_group(p, &autogroup_default);  in sched_autogroup_detach()
208 int proc_sched_autogroup_set_nice(struct task_struct *p, int nice)  in proc_sched_autogroup_set_nice()  argument
230 	ag = autogroup_task_get(p);  in proc_sched_autogroup_set_nice()
246 void proc_sched_autogroup_show_task(struct task_struct *p, struct seq_file *m)  in proc_sched_autogroup_show_task()  argument
248 	struct autogroup *ag = autogroup_task_get(p);  in proc_sched_autogroup_show_task()