35  * Implementation of turnstiles used to hold queue of threads blocked on
57  * blocked on the lock, then it reclaims the turnstile associated with the lock
110  * are linked list of threads blocked on the turnstile's lock.  One list is
122 	struct threadqueue ts_blocked[2];	/* (c + q) Blocked threads. */
195  * of the thread being blocked to all the threads holding locks that have to
255 		 * thread that is being blocked, we are finished.  in propagate_priority()
286 		 * If we aren't blocked on a lock, we should be.  in propagate_priority()
289 		    "thread %d(%s):%d holds %s but isn't blocked on a lock\n",  in propagate_priority()
294 		 * Pick up the lock that td is blocked on.  in propagate_priority()
322 	 * This thread may not be blocked on this turnstile anymore  in turnstile_adjust_thread()
335 	 * Check if the thread needs to be moved on the blocked chain.  in turnstile_adjust_thread()
345 		 * Remove thread from blocked chain and determine where  in turnstile_adjust_thread()
450 	 * Pick up the lock that td is blocked on.  in turnstile_adjust()
799 	/* Save who we are blocked on and switch. */  in turnstile_wait()
810 		CTR4(KTR_LOCK, "%s: td %d blocked on [%p] %s", __func__,  in turnstile_wait()
819 		CTR4(KTR_LOCK, "%s: td %d free from blocked on [%p] %s",  in turnstile_wait()
841 	 * Pick the highest priority thread blocked on this lock and  in turnstile_signal()
875  * Put all blocked threads on the pending list.  This must be called with
898 	 * Transfer the blocked list to the pending list.  in turnstile_broadcast()
993 	 * Wake up all the pending threads.  If a thread is not blocked  in turnstile_unpend()
1178 	 * blocked on a lock that has an owner.  in print_lockchain()
1205 				db_printf("blocked on lock %p (%s) \"%s\"\n",  in print_lockchain()