Searched refs:tail_sem (Results 1 – 2 of 2) sorted by relevance
17 sem_init(&mbox->tail_sem, 1); /* Tail mutex */ in mbox_init()52 t += sem_down(&mbox->tail_sem, 0); in mbox_fetch()60 sem_up(&mbox->tail_sem); in mbox_fetch()
22 struct semaphore tail_sem; /* Tail pointer semaphore */ member