61  * parameters.  These static fields are protected by 'mutex'.
71 static pthread_mutex_t	mutex = PTHREAD_MUTEX_INITIALIZER;  variable
104  * Must be called with mutex held.
324 	pthread_mutex_lock(&mutex);  in setac()
328 	pthread_mutex_unlock(&mutex);  in setac()
340 	pthread_mutex_lock(&mutex);  in endac()
348 	pthread_mutex_unlock(&mutex);  in endac()
366 	pthread_mutex_lock(&mutex);  in getacdir()
376 		pthread_mutex_unlock(&mutex);  in getacdir()
382 		pthread_mutex_unlock(&mutex);  in getacdir()
388 		pthread_mutex_unlock(&mutex);  in getacdir()
394 	pthread_mutex_unlock(&mutex);  in getacdir()
411 	pthread_mutex_lock(&mutex);  in getacdist()
416 		pthread_mutex_unlock(&mutex);  in getacdist()
422 		pthread_mutex_unlock(&mutex);  in getacdist()
431 	pthread_mutex_unlock(&mutex);  in getacdist()
445 	pthread_mutex_lock(&mutex);  in getacmin()
450 		pthread_mutex_unlock(&mutex);  in getacmin()
456 		pthread_mutex_unlock(&mutex);  in getacmin()
462 	pthread_mutex_unlock(&mutex);  in getacmin()
479 	pthread_mutex_lock(&mutex);  in getacfilesz()
484 		pthread_mutex_unlock(&mutex);  in getacfilesz()
490 		pthread_mutex_unlock(&mutex);  in getacfilesz()
514 		pthread_mutex_unlock(&mutex);  in getacfilesz()
526 		pthread_mutex_unlock(&mutex);  in getacfilesz()
533 	pthread_mutex_unlock(&mutex);  in getacfilesz()
544 	pthread_mutex_lock(&mutex);  in getaccommon()
549 		pthread_mutex_unlock(&mutex);  in getaccommon()
560 		pthread_mutex_unlock(&mutex);  in getaccommon()
566 	pthread_mutex_unlock(&mutex);  in getaccommon()
638 	pthread_mutex_lock(&mutex);  in getacexpire()
643 		pthread_mutex_unlock(&mutex);  in getacexpire()
649 		pthread_mutex_unlock(&mutex);  in getacexpire()
670 			pthread_mutex_unlock(&mutex);  in getacexpire()
681 			pthread_mutex_unlock(&mutex);  in getacexpire()
691 			pthread_mutex_unlock(&mutex);  in getacexpire()
699 		pthread_mutex_unlock(&mutex);  in getacexpire()
705 	pthread_mutex_unlock(&mutex);  in getacexpire()
719 	pthread_mutex_lock(&mutex);  in getacqsize()
724 		pthread_mutex_unlock(&mutex);  in getacqsize()
730 		pthread_mutex_unlock(&mutex);  in getacqsize()
745 		pthread_mutex_unlock(&mutex);  in getacqsize()
753 		pthread_mutex_unlock(&mutex);  in getacqsize()
760 	pthread_mutex_unlock(&mutex);  in getacqsize()