182 turnstile_pi_inherit(turnstile_t *ts, kthread_t *inheritor, pri_t epri)  in turnstile_pi_inherit()  argument
184 	ASSERT(THREAD_LOCK_HELD(inheritor));  in turnstile_pi_inherit()
187 	if (epri <= inheritor->t_pri)  in turnstile_pi_inherit()
191 		ts->ts_inheritor = inheritor;  in turnstile_pi_inherit()
193 		disp_lock_enter_high(&inheritor->t_pi_lock);  in turnstile_pi_inherit()
194 		ts->ts_prioinv = inheritor->t_prioinv;  in turnstile_pi_inherit()
195 		inheritor->t_prioinv = ts;  in turnstile_pi_inherit()
196 		disp_lock_exit_high(&inheritor->t_pi_lock);  in turnstile_pi_inherit()
202 		ASSERT(ts->ts_inheritor == inheritor);  in turnstile_pi_inherit()
207 	if (epri > DISP_PRIO(inheritor))  in turnstile_pi_inherit()
208 		thread_change_epri(inheritor, epri);  in turnstile_pi_inherit()
216 turnstile_pi_tsdelete(turnstile_t *ts, kthread_t *inheritor)  in turnstile_pi_tsdelete()  argument
221 	disp_lock_enter_high(&inheritor->t_pi_lock);  in turnstile_pi_tsdelete()
222 	tspp = &inheritor->t_prioinv;  in turnstile_pi_tsdelete()
230 	disp_lock_exit_high(&inheritor->t_pi_lock);  in turnstile_pi_tsdelete()
242 	kthread_t *inheritor = ts->ts_inheritor;  in turnstile_pi_waive()  local
245 	ASSERT(inheritor == curthread);  in turnstile_pi_waive()
247 	thread_lock_high(inheritor);  in turnstile_pi_waive()
248 	new_epri = turnstile_pi_tsdelete(ts, inheritor);  in turnstile_pi_waive()
249 	if (new_epri != DISP_PRIO(inheritor))  in turnstile_pi_waive()
250 		thread_change_epri(inheritor, new_epri);  in turnstile_pi_waive()
252 	if (DISP_MUST_SURRENDER(inheritor))  in turnstile_pi_waive()
253 		cpu_surrender(inheritor);  in turnstile_pi_waive()
254 	thread_unlock_high(inheritor);  in turnstile_pi_waive()
265 	kthread_t *inheritor = curthread;  in turnstile_pi_recalc()  local
268 	thread_lock(inheritor);  in turnstile_pi_recalc()
269 	new_epri = turnstile_pi_tsdelete(NULL, inheritor);  in turnstile_pi_recalc()
270 	if (new_epri != DISP_PRIO(inheritor))  in turnstile_pi_recalc()
271 		thread_change_epri(inheritor, new_epri);  in turnstile_pi_recalc()
272 	if (DISP_MUST_SURRENDER(inheritor))  in turnstile_pi_recalc()
273 		cpu_surrender(inheritor);  in turnstile_pi_recalc()
274 	thread_unlock(inheritor);  in turnstile_pi_recalc()