sleep_prepare     104 kernel/console.c       sleep_prepare(&cons.r);
sleep_prepare      97 kernel/defs.h  void            sleep_prepare(void*);
sleep_prepare     134 kernel/log.c         sleep_prepare(&log);
sleep_prepare     140 kernel/log.c         sleep_prepare(&log);
sleep_prepare     253 kernel/log.c         sleep_prepare(&log);
sleep_prepare      90 kernel/pipe.c        sleep_prepare(&pi->nwrite);
sleep_prepare     124 kernel/pipe.c      sleep_prepare(&pi->nread); //DOC: piperead-sleep
sleep_prepare     414 kernel/proc.c      sleep_prepare(p); //DOC: wait-sleep
sleep_prepare      26 kernel/sleeplock.c     sleep_prepare(lk);
sleep_prepare      83 kernel/sysproc.c     sleep_prepare(&ticks);
sleep_prepare      86 kernel/uart.c      sleep_prepare(&tx_chan);
sleep_prepare     232 kernel/virtio_disk.c     sleep_prepare(&disk.free[0]);
sleep_prepare     288 kernel/virtio_disk.c     sleep_prepare(b);