Function register_msgring_handler

freebsd/mips/nlm/cms.c:386–407

}

int
register_msgring_handler(int startb, int endb, msgring_handler action,
    void *arg)
{
	int	i;

	if (bootverbose)
		printf("Register handler %d-%d %p(%p)\n",
		    startb, endb, action, arg);
	KASSERT(startb >= 0 && startb <= endb && endb < MSGRNG_NSTATIONS,
	    ("Invalid value for bucket range %d,%d", startb, endb));

	mtx_lock_spin(&msgmap_lock);
	for (i = startb; i <= endb; i++) {
		KASSERT(msgmap[i].action == NULL,
		   ("Bucket %d already used [action %p]", i, msgmap[i].action));
		msgmap[i].action = action;
		msgmap[i].arg = arg;
	}
	mtx_unlock_spin(&msgmap_lock);
	return (0);
}

/*
 * Initialize the messaging subsystem.