Esempio n. 1
0
void
ptcwakeup(struct tty *tp, int flag)
{
	struct pt_softc *pti = pt_softc[minor(tp->t_dev)];

	if (flag & FREAD) {
		selwakeup(&pti->pt_selr);
		wakeup(&tp->t_outq.c_cf);
	}
	if (flag & FWRITE) {
		selwakeup(&pti->pt_selw);
		wakeup(&tp->t_rawq.c_cf);
	}
}
Esempio n. 2
0
void
drm_handle_vblank_events(struct drm_device *dev, int crtc)
{
	struct drmevlist		*list;
	struct drm_pending_event	*ev, *tmp;
	struct drm_pending_vblank_event	*vev;
	struct timeval			 now;
	u_int				 seq;

	list = &dev->vblank->vb_crtcs[crtc].vbl_events;
	microtime(&now);
	seq = drm_vblank_count(dev, crtc);

	mtx_enter(&dev->event_lock);
	for (ev = TAILQ_FIRST(list); ev != TAILQ_END(list); ev = tmp) {
		tmp = TAILQ_NEXT(ev, link);

		vev = (struct drm_pending_vblank_event *)ev;

		if ((seq - vev->event.sequence) > (1 << 23))
			continue;
		DPRINTF("%s: got vblank event on crtc %d, value %d\n",
		    __func__, crtc, seq);
		
		vev->event.sequence = seq;
		vev->event.tv_sec = now.tv_sec;
		vev->event.tv_usec = now.tv_usec;
		drm_vblank_put(dev, crtc);
		TAILQ_REMOVE(list, ev, link);
		TAILQ_INSERT_TAIL(&ev->file_priv->evlist, ev, link);
		wakeup(&ev->file_priv->evlist);
		selwakeup(&ev->file_priv->rsel);
	}
	mtx_leave(&dev->event_lock);
}
Esempio n. 3
0
void
uhid_intr(struct uhidev *addr, void *data, u_int len)
{
	struct uhid_softc *sc = (struct uhid_softc *)addr;

#ifdef UHID_DEBUG
	if (uhiddebug > 5) {
		u_int32_t i;

		DPRINTF(("uhid_intr: data ="));
		for (i = 0; i < len; i++)
			DPRINTF((" %02x", ((u_char *)data)[i]));
		DPRINTF(("\n"));
	}
#endif

	(void)b_to_q(data, len, &sc->sc_q);

	if (sc->sc_state & UHID_ASLP) {
		sc->sc_state &= ~UHID_ASLP;
		DPRINTFN(5, ("uhid_intr: waking %p\n", &sc->sc_q));
		wakeup(&sc->sc_q);
	}
	selwakeup(&sc->sc_rsel);
	if (sc->sc_async != NULL) {
		DPRINTFN(3, ("uhid_intr: sending SIGIO %p\n", sc->sc_async));
		prsignal(sc->sc_async, SIGIO);
	}
}
Esempio n. 4
0
void
ugenintr(struct usbd_xfer *xfer, void *addr, usbd_status status)
{
	struct ugen_endpoint *sce = addr;
	/*struct ugen_softc *sc = sce->sc;*/
	u_int32_t count;
	u_char *ibuf;

	if (status == USBD_CANCELLED)
		return;

	if (status != USBD_NORMAL_COMPLETION) {
		DPRINTF(("ugenintr: status=%d\n", status));
		if (status == USBD_STALLED)
			usbd_clear_endpoint_stall_async(sce->pipeh);
		return;
	}

	usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
	ibuf = sce->ibuf;

	DPRINTFN(5, ("ugenintr: xfer=%p status=%d count=%d\n",
		     xfer, status, count));
	DPRINTFN(5, ("          data = %02x %02x %02x\n",
		     ibuf[0], ibuf[1], ibuf[2]));

	(void)b_to_q(ibuf, count, &sce->q);

	if (sce->state & UGEN_ASLP) {
		sce->state &= ~UGEN_ASLP;
		DPRINTFN(5, ("ugen_intr: waking %p\n", sce));
		wakeup(sce);
	}
	selwakeup(&sce->rsel);
}
Esempio n. 5
0
int
vldcp_tx_intr(void *arg)
{
	struct vldcp_softc *sc = arg;
	struct ldc_conn *lc = &sc->sc_lc;
	uint64_t tx_head, tx_tail, tx_state;
	int err;

	err = hv_ldc_tx_get_state(lc->lc_id, &tx_head, &tx_tail, &tx_state);
	if (err != H_EOK) {
		printf("%s: hv_ldc_tx_get_state %d\n", __func__, err);
		return (0);
	}

	if (tx_state != lc->lc_tx_state) {
		switch (tx_state) {
		case LDC_CHANNEL_DOWN:
			DPRINTF(("Tx link down\n"));
			break;
		case LDC_CHANNEL_UP:
			DPRINTF(("Tx link up\n"));
			break;
		case LDC_CHANNEL_RESET:
			DPRINTF(("Tx link reset\n"));
			break;
		}
		lc->lc_tx_state = tx_state;
	}

	cbus_intr_setenabled(sc->sc_tx_sysino, INTR_DISABLED);
	selwakeup(&sc->sc_wsel);
	wakeup(lc->lc_txq);
	return (1);
}
Esempio n. 6
0
int
drm_queue_vblank_event(struct drm_device *dev, int crtc,
    union drm_wait_vblank *vblwait, struct drm_file *file_priv)
{
	struct drm_pending_vblank_event	*vev;
	struct timeval			 now;
	u_int				 seq;


	vev = drm_calloc(1, sizeof(*vev));
	if (vev == NULL)
		return (ENOMEM);

	vev->event.base.type = DRM_EVENT_VBLANK;
	vev->event.base.length = sizeof(vev->event);
	vev->event.user_data = vblwait->request.signal;
	vev->base.event = &vev->event.base;
	vev->base.file_priv = file_priv;
	vev->base.destroy = (void (*) (struct drm_pending_event *))drm_free;

	microtime(&now);

	mtx_enter(&dev->event_lock);
	if (file_priv->event_space < sizeof(vev->event)) {
		mtx_leave(&dev->event_lock);
		drm_free(vev);
		return (ENOMEM);
	}


	seq = drm_vblank_count(dev, crtc);
	file_priv->event_space -= sizeof(vev->event);

	DPRINTF("%s: queueing event %d on crtc %d\n", __func__, seq, crtc);

	if ((vblwait->request.type & _DRM_VBLANK_NEXTONMISS) &&
	    (seq - vblwait->request.sequence) <= (1 << 23)) {
		vblwait->request.sequence = seq + 1;
		vblwait->reply.sequence = vblwait->request.sequence;
	}

	vev->event.sequence = vblwait->request.sequence;
	if ((seq - vblwait->request.sequence) <= (1 << 23)) {
		vev->event.tv_sec = now.tv_sec;
		vev->event.tv_usec = now.tv_usec;
		DPRINTF("%s: already passed, dequeuing: crtc %d, value %d\n",
		    __func__, crtc, seq);
		drm_vblank_put(dev, crtc);
		TAILQ_INSERT_TAIL(&file_priv->evlist, &vev->base, link);
		wakeup(&file_priv->evlist);
		selwakeup(&file_priv->rsel);
	} else {
		TAILQ_INSERT_TAIL(&dev->vblank->vb_crtcs[crtc].vbl_events,
		    &vev->base, link);
	}
	mtx_leave(&dev->event_lock);

	return (0);
}
void VbgdNativeISRMousePollEvent(PVBOXGUESTDEVEXT pDevExt)
{
    LogFlow((DEVICE_NAME "::NativeISRMousePollEvent:\n"));

    /*
     * Wake up poll waiters.
     */
    selwakeup(&g_SelInfo);
}
Esempio n. 8
0
void VGDrvNativeISRMousePollEvent(PVBOXGUESTDEVEXT pDevExt)
{
    LogFlow(("VGDrvNativeISRMousePollEvent:\n"));

    /*
     * Wake up poll waiters.
     */
    selwakeup(&g_SelInfo);
}
Esempio n. 9
0
File: zs.c Progetto: MarginC/kame
static void
zsttystart(struct tty *tp)
{
	struct zstty_softc *sc;
	uint8_t c;

	sc = tp->t_dev->si_drv1;

	if ((tp->t_state & TS_TBLOCK) != 0)
		/* XXX clear RTS */;
	else
		/* XXX set RTS */;

	if ((tp->t_state & (TS_BUSY | TS_TIMEOUT | TS_TTSTOP)) != 0) {
		ttwwakeup(tp);
		return;
	}

	if (tp->t_outq.c_cc <= tp->t_olowat) {
		if ((tp->t_state & TS_SO_OLOWAT) != 0) {
			tp->t_state &= ~TS_SO_OLOWAT;
			wakeup(TSA_OLOWAT(tp));
		}
		selwakeup(&tp->t_wsel);
		if (tp->t_outq.c_cc == 0) {
			if ((tp->t_state & (TS_BUSY | TS_SO_OCOMPLETE)) ==
			    TS_SO_OCOMPLETE && tp->t_outq.c_cc == 0) {
				tp->t_state &= ~TS_SO_OCOMPLETE;
				wakeup(TSA_OCOMPLETE(tp));
			}
			return;
		}
	}

	sc->sc_ocnt = q_to_b(&tp->t_outq, sc->sc_obuf, sizeof(sc->sc_obuf));
	if (sc->sc_ocnt == 0)
		return;
	c = sc->sc_obuf[0];
	sc->sc_oget = sc->sc_obuf + 1;
	sc->sc_ocnt--;

	tp->t_state |= TS_BUSY;
	sc->sc_tx_busy = 1;

	/*
	 * Enable transmit interrupts if necessary and send the first
	 * character to start up the transmitter.
	 */
	if ((sc->sc_preg[1] & ZSWR1_TIE) == 0) {
		sc->sc_preg[1] |= ZSWR1_TIE;
		sc->sc_creg[1] = sc->sc_preg[1];
		ZS_WRITE_REG(sc, 1, sc->sc_creg[1]);
	}
	ZS_WRITE(sc, sc->sc_data, c);

	ttwwakeup(tp);
}
Esempio n. 10
0
static void
ptsdrv_inwakeup(struct tty *tp)
{
	struct pts_softc *psc = tty_softc(tp);

	cv_broadcast(&psc->pts_inwait);
	selwakeup(&psc->pts_inpoll);
	KNOTE_LOCKED(&psc->pts_inpoll.si_note, 0);
}
Esempio n. 11
0
void
ugen_isoc_rintr(struct usbd_xfer *xfer, void *addr, usbd_status status)
{
	struct isoreq *req = addr;
	struct ugen_endpoint *sce = req->sce;
	u_int32_t count, n;
	int i, isize;

	/* Return if we are aborting. */
	if (status == USBD_CANCELLED)
		return;

	usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
	DPRINTFN(5,("%s: xfer %ld, count=%d\n", __func__, req - sce->isoreqs,
	    count));

	/* throw away oldest input if the buffer is full */
	if(sce->fill < sce->cur && sce->cur <= sce->fill + count) {
		sce->cur += count;
		if(sce->cur >= sce->limit)
			sce->cur = sce->ibuf + (sce->limit - sce->cur);
		DPRINTFN(5, ("%s: throwing away %d bytes\n", __func__, count));
	}

	isize = UGETW(sce->edesc->wMaxPacketSize);
	for (i = 0; i < UGEN_NISORFRMS; i++) {
		u_int32_t actlen = req->sizes[i];
		char const *buf = (char const *)req->dmabuf + isize * i;

		/* copy data to buffer */
		while (actlen > 0) {
			n = min(actlen, sce->limit - sce->fill);
			memcpy(sce->fill, buf, n);

			buf += n;
			actlen -= n;
			sce->fill += n;
			if(sce->fill == sce->limit)
				sce->fill = sce->ibuf;
		}

		/* setup size for next transfer */
		req->sizes[i] = isize;
	}

	usbd_setup_isoc_xfer(xfer, sce->pipeh, req, req->sizes, UGEN_NISORFRMS,
			     USBD_NO_COPY, ugen_isoc_rintr);
	(void)usbd_transfer(xfer);

	if (sce->state & UGEN_ASLP) {
		sce->state &= ~UGEN_ASLP;
		DPRINTFN(5, ("ugen_isoc_rintr: waking %p\n", sce));
		wakeup(sce);
	}
	selwakeup(&sce->rsel);
}
Esempio n. 12
0
static void
uvfs_dev_readwakeup (void *_st)
{
  uvfs_softc *st = _st;

  if (st->flags & UVFS_RSEL) {
    st->flags &= ~UVFS_RSEL;
    selwakeup(&st->sel);
  }
  wakeup(st);
}
Esempio n. 13
0
/*
 * If there are processes sleeping on this descriptor, wake them up.
 */
static __inline void
bpf_wakeup(struct bpf_d *d)
{
	wakeup((caddr_t)d);
	if (d->bd_async && d->bd_sig)
		csignal(d->bd_pgid, d->bd_sig,
		    d->bd_siguid, d->bd_sigeuid);

	selwakeup(&d->bd_sel);
	KNOTE(&d->bd_sel.si_note, 0);
}
Esempio n. 14
0
void
pipeselwakeup(struct pipe *cpipe)
{
	if (cpipe->pipe_state & PIPE_SEL) {
		cpipe->pipe_state &= ~PIPE_SEL;
		selwakeup(&cpipe->pipe_sel);
	} else
		KNOTE(&cpipe->pipe_sel.si_note, 0);
	if ((cpipe->pipe_state & PIPE_ASYNC) && cpipe->pipe_pgid != NO_PID)
		gsignal(cpipe->pipe_pgid, SIGIO);
}
Esempio n. 15
0
void
imxuart_start(struct tty *tp)
{
        struct imxuart_softc *sc = imxuart_cd.cd_devs[DEVUNIT(tp->t_dev)];
	bus_space_tag_t iot = sc->sc_iot;
	bus_space_handle_t ioh = sc->sc_ioh;

	int s;
	s = spltty();
	if (ISSET(tp->t_state, TS_BUSY)) {
		splx(s);
		return;
	}
	if (ISSET(tp->t_state, TS_TIMEOUT | TS_TTSTOP))
		goto stopped;
#ifdef DAMNFUCKSHIT
	/* clear to send (IE the RTS pin on this shit) is not directly \
	 * readable - skip check for now
	 */
	if (ISSET(tp->t_cflag, CRTSCTS) && !ISSET(sc->sc_msr, IMXUART_CTS))
		goto stopped;
#endif
	if (tp->t_outq.c_cc <= tp->t_lowat) {
		if (ISSET(tp->t_state, TS_ASLEEP)) {
			CLR(tp->t_state, TS_ASLEEP);
			wakeup(&tp->t_outq);
		}
		if (tp->t_outq.c_cc == 0)
			goto stopped;
		selwakeup(&tp->t_wsel);
	}
	SET(tp->t_state, TS_BUSY);

	if (!ISSET(sc->sc_ucr1, IMXUART_CR1_TXMPTYEN)) {
		SET(sc->sc_ucr1, IMXUART_CR1_TXMPTYEN);
		bus_space_write_2(iot, ioh, IMXUART_UCR1, sc->sc_ucr1);
	}

	{
		u_char buf[32];
		int n = q_to_b(&tp->t_outq, buf, 32/*XXX*/);
		int i;
		for (i = 0; i < n; i++)
			bus_space_write_1(iot, ioh, IMXUART_UTXD, buf[i]);
	}
	splx(s);
	return;
stopped:
	if (ISSET(sc->sc_ucr1, IMXUART_CR1_TXMPTYEN)) {
		CLR(sc->sc_ucr1, IMXUART_CR1_TXMPTYEN);
		bus_space_write_2(iot, ioh, IMXUART_UCR1, sc->sc_ucr1);
	}
	splx(s);
}
Esempio n. 16
0
/*
 * If there are processes sleeping on this descriptor, wake them up.
 */
void
bpf_wakeup(struct bpf_d *d)
{
	wakeup((caddr_t)d);
	if (d->bd_async && d->bd_sig)
		csignal(d->bd_pgid, d->bd_sig,
		    d->bd_siguid, d->bd_sigeuid);

	selwakeup(&d->bd_sel);
	/* XXX */
	d->bd_sel.si_selpid = 0;
}
Esempio n. 17
0
void
midi_out_stop(struct midi_softc *sc)
{
	sc->isbusy = 0;
	if (sc->wchan) {
		sc->wchan = 0;
		wakeup(&sc->wchan);
	}
	selwakeup(&sc->wsel);
	if (sc->async)
		psignal(sc->async, SIGIO);
}
Esempio n. 18
0
void psmintr(int unit)
{
	struct psm_softc *sc = &psm_softc[unit];
	int ioport = psmaddr[unit];

	sc->inq.queue[sc->inq.last++ % MSBSZ] = inb(ioport+PSM_DATA);
	sc->inq.count++;
	if (sc -> state & PSM_ASLP) {
		sc->state &= ~PSM_ASLP;
		wakeup((caddr_t)sc);
	}
	selwakeup(&sc->rsel);
}
Esempio n. 19
0
File: bpf.c Progetto: SbIm/xnu-env
/*
 * If there are processes sleeping on this descriptor, wake them up.
 */
static void
bpf_wakeup(struct bpf_d *d)
{
	wakeup((caddr_t)d);
	if (d->bd_async && d->bd_sig && d->bd_sigio)
		pgsigio(d->bd_sigio, d->bd_sig);

#if BSD >= 199103
	selwakeup(&d->bd_sel);
	KNOTE(&d->bd_sel.si_note, 1);
#ifndef __APPLE__
	/* XXX */
	d->bd_sel.si_pid = 0;
#endif
#else
	if (d->bd_selproc) {
		selwakeup(d->bd_selproc, (int)d->bd_selcoll);
		d->bd_selcoll = 0;
		d->bd_selproc = 0;
	}
#endif
}
Esempio n. 20
0
void
drm_event_wakeup(struct drm_pending_event *e)
{
	struct drm_file *file_priv;
	struct drm_device *dev;

	file_priv = e->file_priv;
	dev = file_priv->dev;
	mtx_assert(&dev->event_lock, MA_OWNED);

	wakeup(&file_priv->event_space);
	selwakeup(&file_priv->event_poll);
}
Esempio n. 21
0
void
video_intr(void *addr)
{
    struct video_softc *sc = (struct video_softc *)addr;

    DPRINTF(("video_intr sc=%p\n", sc));
    if (sc->sc_vidmode != VIDMODE_NONE)
        sc->sc_frames_ready++;
    else
        printf("%s: interrupt but no streams!\n", __func__);
    if (sc->sc_vidmode == VIDMODE_READ)
        wakeup(sc);
    selwakeup(&sc->sc_rsel);
}
Esempio n. 22
0
int
mididetach(struct device *self, int flags)
{
	struct midi_softc *sc = (struct midi_softc *)self;
	int maj, mn;

	/* locate the major number */
	for (maj = 0; maj < nchrdev; maj++) {
		if (cdevsw[maj].d_open == midiopen) {
			/* Nuke the vnodes for any open instances (calls close). */
			mn = self->dv_unit;
			vdevgone(maj, mn, mn, VCHR);
		}
	}

	/*
	 * The close() method did nothing (device_lookup() returns
	 * NULL), so quickly halt transfers (normally parent is already
	 * gone, and code below is no-op), and wake-up user-land blocked
	 * in read/write/ioctl, which return EIO.
	 */
	if (sc->flags) {
		if (sc->flags & FREAD) {
			sc->rchan = 0;
			wakeup(&sc->rchan);
			selwakeup(&sc->rsel);
		}
		if (sc->flags & FWRITE) {
			sc->wchan = 0;
			wakeup(&sc->wchan);
			selwakeup(&sc->wsel);
		}
		sc->hw_if->close(sc->hw_hdl);
		sc->flags = 0;
	}
	return 0;
}
Esempio n. 23
0
/*
 * This is the main kvp kernel process that interacts with both user daemon
 * and the host
 */
static void
hv_kvp_send_msg_to_daemon(hv_kvp_sc *sc)
{
	struct hv_kvp_msg *hmsg = sc->host_kvp_msg;
	struct hv_kvp_msg *umsg = &sc->daemon_kvp_msg;

	/* Prepare kvp_msg to be sent to user */
	hv_kvp_convert_hostmsg_to_usermsg(hmsg, umsg);

	/* Send the msg to user via function deamon_read - setting sema */
	sema_post(&sc->dev_sema);

	/* We should wake up the daemon, in case it's doing poll() */
	selwakeup(&sc->hv_kvp_selinfo);
}
Esempio n. 24
0
/*
 * Wakeup processes waiting on a socket buffer.
 * Do asynchronous notification via SIGIO
 * if the socket has the SS_ASYNC flag set.
 */
void
sowakeup(struct socket *so, struct sockbuf *sb)
{
	int s = splsoftnet();

	selwakeup(&sb->sb_sel);
	sb->sb_flagsintr &= ~SB_SEL;
	if (sb->sb_flagsintr & SB_WAIT) {
		sb->sb_flagsintr &= ~SB_WAIT;
		wakeup(&sb->sb_cc);
	}
	splx(s);
	if (so->so_state & SS_ASYNC)
		csignal(so->so_pgid, SIGIO, so->so_siguid, so->so_sigeuid);
}
Esempio n. 25
0
static void send_vblank_event(struct drm_device *dev,
		struct drm_pending_vblank_event *e,
		unsigned long seq, struct timeval *now)
{
	struct drm_file *file_priv = e->base.file_priv;
	MUTEX_ASSERT_LOCKED(&dev->event_lock);
	e->event.sequence = seq;
	e->event.tv_sec = now->tv_sec;
	e->event.tv_usec = now->tv_usec;

	TAILQ_INSERT_TAIL(&file_priv->evlist, &e->base, link);
	wakeup(&file_priv->evlist);
	selwakeup(&file_priv->rsel);
#if 0
	trace_drm_vblank_event_delivered(e->base.pid, e->pipe,
					 e->event.sequence);
#endif
}
Esempio n. 26
0
File: uhid.c Progetto: MarginC/kame
void
uhid_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status)
{
	struct uhid_softc *sc = addr;

#ifdef USB_DEBUG
	if (uhiddebug > 5) {
		u_int32_t cc, i;
		
		usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL);
		DPRINTF(("uhid_intr: status=%d cc=%d\n", status, cc));
		DPRINTF(("uhid_intr: data ="));
		for (i = 0; i < cc; i++)
			DPRINTF((" %02x", sc->sc_ibuf[i]));
		DPRINTF(("\n"));
	}
#endif

	if (status == USBD_CANCELLED)
		return;

	if (status != USBD_NORMAL_COMPLETION) {
		DPRINTF(("uhid_intr: status=%d\n", status));
		if (status == USBD_STALLED)
		    sc->sc_state |= UHID_NEEDCLEAR;
		return;
	}

	(void) b_to_q(sc->sc_ibuf, sc->sc_isize, &sc->sc_q);
		
	if (sc->sc_state & UHID_ASLP) {
		sc->sc_state &= ~UHID_ASLP;
		DPRINTFN(5, ("uhid_intr: waking %p\n", &sc->sc_q));
		wakeup(&sc->sc_q);
	}
	selwakeup(&sc->sc_rsel);
	if (sc->sc_async != NULL) {
		DPRINTFN(3, ("uhid_intr: sending SIGIO %p\n", sc->sc_async));
		PROC_LOCK(sc->sc_async);
		psignal(sc->sc_async, SIGIO);
		PROC_UNLOCK(sc->sc_async);
	}
}
Esempio n. 27
0
/*
 * Notify if possible receive data ready.  Must be called
 * with sc->mutex held (cyapa_lock(sc)).
 */
static void
cyapa_notify(struct cyapa_softc *sc)
{

	CYAPA_LOCK_ASSERT(sc);

	if (sc->data_signal || !fifo_empty(sc, &sc->rfifo)) {
		KNOTE_LOCKED(&sc->selinfo.si_note, 0);
		if (sc->blocked || sc->isselect) {
			if (sc->blocked) {
			    sc->blocked = 0;
			    wakeup(&sc->blocked);
			}
			if (sc->isselect) {
			    sc->isselect = 0;
			    selwakeup(&sc->selinfo);
			}
		}
	}
}
Esempio n. 28
0
static void
at91_pio_intr(void *xsc)
{
	struct at91_pio_softc *sc = xsc;
	uint32_t status;
	int i;

	/* Reading the status also clears the interrupt. */
	status = RD4(sc, PIO_ISR) & RD4(sc, PIO_IMR);
	if (status != 0) {
		AT91_PIO_LOCK(sc);
		for (i = 0; status != 0 && sc->buflen < MAX_CHANGE; ++i) {
			if (status & 1)
				sc->buf[sc->buflen++] = (uint8_t)i;
			status >>= 1;
		}
		AT91_PIO_UNLOCK(sc);
		wakeup(sc);
		selwakeup(&sc->selp);
	}
Esempio n. 29
0
/*
 * Wakeup processes waiting on a socket buffer.
 * Do asynchronous notification via SIGIO
 * if the socket has the SS_ASYNC flag set.
 */
void
sowakeup(struct socket *so, struct sockbuf *sb)
{
        sb->sb_flags &= ~SB_SEL;
        selwakeup(&sb->sb_sel);
        if (sb->sb_flags & SB_WAIT) {
                sb->sb_flags &= ~SB_WAIT;
                wakeup((caddr_t)&sb->sb_cc);
        }
#if 0 // Intentially commented
        if (so->so_state & SS_ASYNC) {
                if (so->so_pgid < 0)
                        gsignal(-so->so_pgid, SIGIO);
                else if (so->so_pgid > 0)
                        proc_signal(so->so_pgid, SIGIO);
        }
        if (sb->sb_flags & SB_KNOTE) {
                KNOTE(&sb->sb_sel.si_note, SO_FILT_HINT_LOCKED);
        }
        if (sb->sb_flags & SB_UPCALL) {
                void (*so_upcall)(struct socket *, caddr_t, int);
                caddr_t so_upcallarg;

                so_upcall = so->so_upcall;
                so_upcallarg = so->so_upcallarg;
                /* Let close know that we're about to do an upcall */
                so->so_flags |= SOF_UPCALLINUSE;

                socket_unlock(so, 0);
                (*so_upcall)(so, so_upcallarg, M_DONTWAIT);
                socket_lock(so, 0);

                so->so_flags &= ~SOF_UPCALLINUSE;
                /* Tell close that it's safe to proceed */
                if (so->so_flags & SOF_CLOSEWAIT)
                        wakeup((caddr_t)&so->so_upcall);
        }
#endif
}
Esempio n. 30
0
File: uirda.c Progetto: MarginC/kame
void
uirda_rd_cb(usbd_xfer_handle xfer, usbd_private_handle priv,
	    usbd_status status)
{
	struct uirda_softc *sc = priv;
	u_int32_t size;

	DPRINTFN(1,("%s: sc=%p\n", __FUNCTION__, sc));

	if (status == USBD_CANCELLED) /* this is normal */
		return;
	if (status) {
		size = UIRDA_INPUT_HEADER_SIZE;
		sc->sc_rd_err = 1;
	} else {
		usbd_get_xfer_status(xfer, NULL, NULL, &size, NULL);
	}
	DPRINTFN(1,("%s: sc=%p size=%u, err=%d\n", __FUNCTION__, sc, size,
		    sc->sc_rd_err));
	sc->sc_rd_count = size;
	wakeup(&sc->sc_rd_count); /* XXX should use flag */
	selwakeup(&sc->sc_rd_sel);
}