int charqueue_dequeue(struct charqueue *charqueue)
{
int rc;
spin_lock(&charqueue->lock);
rc = charqueue_dequeue_1(charqueue);
spin_unlock(&charqueue->lock);
return rc;
}
int charqueue_dequeue(CHARQUEUE *charqueue)
{
int rc;
spin_lock(&charqueue->lock);
rc = charqueue_dequeue_1(charqueue);
spin_unlock(&charqueue->lock);
return rc;
}
int visor_charqueue_dequeue_n(CHARQUEUE *charqueue, unsigned char *buf, int n)
{
int rc, counter = 0, c;
spin_lock(&charqueue->lock);
for (;;) {
if (n <= 0)
break; /* no more buffer space */
c = charqueue_dequeue_1(charqueue);
if (c < 0)
break; /* no more input */
*buf = (unsigned char)(c);
buf++;
n--;
counter++;
}
rc = counter;
spin_unlock(&charqueue->lock);
return rc;
}
