47 static void get_cpu_itimer(struct task_struct *tsk, unsigned int clock_id,  in get_cpu_itimer()  argument
51 	struct cpu_itimer *it = &tsk->signal->it[clock_id];  in get_cpu_itimer()
53 	spin_lock_irq(&tsk->sighand->siglock);  in get_cpu_itimer()
60 		thread_group_sample_cputime(tsk, samples);  in get_cpu_itimer()
70 	spin_unlock_irq(&tsk->sighand->siglock);  in get_cpu_itimer()
78 	struct task_struct *tsk = current;  in do_getitimer()  local
82 		spin_lock_irq(&tsk->sighand->siglock);  in do_getitimer()
83 		value->it_value = itimer_get_remtime(&tsk->signal->real_timer);  in do_getitimer()
85 			ktime_to_timeval(tsk->signal->it_real_incr);  in do_getitimer()
86 		spin_unlock_irq(&tsk->sighand->siglock);  in do_getitimer()
89 		get_cpu_itimer(tsk, CPUCLOCK_VIRT, value);  in do_getitimer()
92 		get_cpu_itimer(tsk, CPUCLOCK_PROF, value);  in do_getitimer()
143 static void set_cpu_itimer(struct task_struct *tsk, unsigned int clock_id,  in set_cpu_itimer()  argument
148 	struct cpu_itimer *it = &tsk->signal->it[clock_id];  in set_cpu_itimer()
157 	spin_lock_irq(&tsk->sighand->siglock);  in set_cpu_itimer()
164 		set_process_cpu_timer(tsk, clock_id, &nval, &oval);  in set_cpu_itimer()
171 	spin_unlock_irq(&tsk->sighand->siglock);  in set_cpu_itimer()
187 	struct task_struct *tsk = current;  in do_setitimer()  local
201 		spin_lock_irq(&tsk->sighand->siglock);  in do_setitimer()
202 		timer = &tsk->signal->real_timer;  in do_setitimer()
206 				= ktime_to_timeval(tsk->signal->it_real_incr);  in do_setitimer()
210 			spin_unlock_irq(&tsk->sighand->siglock);  in do_setitimer()
216 			tsk->signal->it_real_incr =  in do_setitimer()
220 			tsk->signal->it_real_incr = 0;  in do_setitimer()
223 		spin_unlock_irq(&tsk->sighand->siglock);  in do_setitimer()
226 		set_cpu_itimer(tsk, CPUCLOCK_VIRT, value, ovalue);  in do_setitimer()
229 		set_cpu_itimer(tsk, CPUCLOCK_PROF, value, ovalue);  in do_setitimer()