sleep_setup_signal  205 kern/kern_rwlock.c 			sleep_setup_signal(&sls, op->wait_prio | PCATCH);
sleep_setup_signal  119 kern/kern_synch.c 	sleep_setup_signal(&sls, priority);
sleep_setup_signal  470 sys/proc.h     void	sleep_setup_signal(struct sleep_state *, int);