static void
munch(int fd, enum ev_type ev, void *arg)
{
ssize_t nbytes;
char buf[32] = { 0 };
int err;
if ((nbytes = read(fd, buf, sizeof (buf))) < 0) {
FAIL_ERRNO("bad read");
}
VERBOSE(("read %ld bytes '%s'", nbytes, buf));
err = mevent_disable(read_event);
ASSERT_INT_EQ(("mevent_disable: ", strerror(err)), err, 0);
pthread_mutex_lock(&mtx);
ASSERT_INT_EQ(("wrong lastwake"), lastwake, CB_NONE);
lastwake = CB_READ;
pthread_cond_signal(&cv);
VERBOSE(("wakeup"));
pthread_mutex_unlock(&mtx);
}
static int
rxfifo_putchar(struct uart_softc *sc, uint8_t ch)
{
struct fifo *fifo;
int error;
fifo = &sc->rxfifo;
if (fifo->num < fifo->size) {
fifo->buf[fifo->windex] = ch;
fifo->windex = (fifo->windex + 1) % fifo->size;
fifo->num++;
if (!rxfifo_available(sc)) {
if (sc->tty.opened) {
/*
* Disable mevent callback if the FIFO is full.
*/
error = mevent_disable(sc->mev);
assert(error == 0);
}
}
return (0);
} else
return (-1);
}