C++ callout_deactivate函数代码示例

void
tcp_timer_delack(void *xtp)
{
	struct tcpcb *tp = xtp;
	struct inpcb *inp;
	CURVNET_SET(tp->t_vnet);

	inp = tp->t_inpcb;
	/*
	 * XXXRW: While this assert is in fact correct, bugs in the tcpcb
	 * tear-down mean we need it as a work-around for races between
	 * timers and tcp_discardcb().
	 *
	 * KASSERT(inp != NULL, ("tcp_timer_delack: inp == NULL"));
	 */
	if (inp == NULL) {
		tcp_timer_race++;
		CURVNET_RESTORE();
		return;
	}
	INP_WLOCK(inp);
	if ((inp->inp_flags & INP_DROPPED) || callout_pending(&tp->t_timers->tt_delack)
	    || !callout_active(&tp->t_timers->tt_delack)) {
		INP_WUNLOCK(inp);
		CURVNET_RESTORE();
		return;
	}
	callout_deactivate(&tp->t_timers->tt_delack);

	tp->t_flags |= TF_ACKNOW;
	TCPSTAT_INC(tcps_delack);
	(void) tcp_output(tp);
	INP_WUNLOCK(inp);
	CURVNET_RESTORE();
}

static void
vatpit_callout_handler(void *a)
{
	struct vatpit_callout_arg *arg = a;
	struct vatpit *vatpit;
	struct callout *callout;
	struct channel *c;

	vatpit = arg->vatpit;
	c = &vatpit->channel[arg->channel_num];
	callout = &c->callout;

	VM_CTR1(vatpit->vm, "atpit t%d fired", arg->channel_num);

	VATPIT_LOCK(vatpit);

	if (callout_pending(callout))		/* callout was reset */
		goto done;

	if (!callout_active(callout))		/* callout was stopped */
		goto done;

	callout_deactivate(callout);

	if (c->mode == TIMER_RATEGEN) {
		pit_timer_start_cntr0(vatpit);
	}

	vatpic_pulse_irq(vatpit->vm, 0);
	vioapic_pulse_irq(vatpit->vm, 2);

done:
	VATPIT_UNLOCK(vatpit);
	return;
}

void
tcp_timer_delack(void *xtp)
{
	struct tcpcb *tp = xtp;
	struct inpcb *inp;
	CURVNET_SET(tp->t_vnet);

	inp = tp->t_inpcb;
	KASSERT(inp != NULL, ("%s: tp %p tp->t_inpcb == NULL", __func__, tp));
	INP_WLOCK(inp);
	if (callout_pending(&tp->t_timers->tt_delack) ||
	    !callout_active(&tp->t_timers->tt_delack)) {
		INP_WUNLOCK(inp);
		CURVNET_RESTORE();
		return;
	}
	callout_deactivate(&tp->t_timers->tt_delack);
	if ((inp->inp_flags & INP_DROPPED) != 0) {
		INP_WUNLOCK(inp);
		CURVNET_RESTORE();
		return;
	}
	tp->t_flags |= TF_ACKNOW;
	TCPSTAT_INC(tcps_delack);
	(void) tp->t_fb->tfb_tcp_output(tp);
	INP_WUNLOCK(inp);
	CURVNET_RESTORE();
}

static void
sdp_poll_tx_timeout(void *data)
{
	struct sdp_sock *ssk = (struct sdp_sock *)data;

	if (!callout_active(&ssk->tx_ring.timer))
		return;
	callout_deactivate(&ssk->tx_ring.timer);
	sdp_poll_tx(ssk);
}

void
tcp_timer_persist(void *xtp)
{
	struct tcpcb *tp = xtp;
	struct callout *co = &tp->tt_persist->tc_callout;

	crit_enter();
	if (callout_pending(co) || !callout_active(co)){
		crit_exit();
		return;
	}
	callout_deactivate(co);
	tcp_send_timermsg(tp, TCP_TIMER_PERSIST);
	crit_exit();
}

static void
mpssas_ata_id_timeout(void *data)
{
	struct mps_softc *sc;
	struct mps_command *cm;

	cm = (struct mps_command *)data;
	sc = cm->cm_sc;
	mtx_assert(&sc->mps_mtx, MA_OWNED);

	mps_dprint(sc, MPS_INFO, "%s checking ATA ID command %p sc %p\n",
	    __func__, cm, sc);
	if ((callout_pending(&cm->cm_callout)) ||
	    (!callout_active(&cm->cm_callout))) {
		mps_dprint(sc, MPS_INFO, "%s ATA ID command almost timed out\n",
		    __func__);
		return;
	}
	callout_deactivate(&cm->cm_callout);

	/*
	 * Run the interrupt handler to make sure it's not pending.  This
	 * isn't perfect because the command could have already completed
	 * and been re-used, though this is unlikely.
	 */
	mps_intr_locked(sc);
	if (cm->cm_state == MPS_CM_STATE_FREE) {
		mps_dprint(sc, MPS_INFO, "%s ATA ID command almost timed out\n",
		    __func__);
		return;
	}

	mps_dprint(sc, MPS_INFO, "ATA ID command timeout cm %p\n", cm);

	/*
	 * Send wakeup() to the sleeping thread that issued this ATA ID command.
	 * wakeup() will cause msleep to return a 0 (not EWOULDBLOCK), and this
	 * will keep reinit() from being called. This way, an Abort Task TM can
	 * be issued so that the timed out command can be cleared.  The Abort
	 * Task cannot be sent from here because the driver has not completed
	 * setting up targets.  Instead, the command is flagged so that special
	 * handling will be used to send the abort.
	 */
	cm->cm_flags |= MPS_CM_FLAGS_SATA_ID_TIMEOUT;
	wakeup(cm);
}

static void
start_ep_timer(struct iwch_ep *ep)
{
	CTR2(KTR_IW_CXGB, "%s ep %p", __FUNCTION__, ep);
	if (callout_pending(&ep->timer)) {
		CTR2(KTR_IW_CXGB, "%s stopped / restarted timer ep %p", __FUNCTION__, ep);
		callout_deactivate(&ep->timer);
		callout_drain(&ep->timer);
	} else {
		/*
		 * XXX this looks racy
		 */
		get_ep(&ep->com);
		callout_init(&ep->timer, 1);
	}
	callout_reset(&ep->timer, ep_timeout_secs * hz, ep_timeout, ep);
}

static int
mv_gpio_debounce_setup(device_t dev, int pin)
{
	struct callout *c;
	struct mv_gpio_softc *sc;

	sc = (struct mv_gpio_softc *)device_get_softc(dev);

	MV_GPIO_ASSERT_LOCKED();

	c = sc->debounce_callouts[pin];
	if (c == NULL)
		return (ENXIO);

	if (callout_active(c))
		callout_deactivate(c);

	callout_stop(c);

	return (0);
}

/*
 * Timer API
 */
static void
run_timer(void *arg)
{
	struct timer_list *t = (struct timer_list *) arg;
	void (*function)(unsigned long);

	mtx_lock_spin(&t->mtx);
	if (callout_pending(&t->callout)) {
		/* callout was reset */
		mtx_unlock_spin(&t->mtx);
		return;
	}
	if (!callout_active(&t->callout)) {
		/* callout was stopped */
		mtx_unlock_spin(&t->mtx);
		return;
	}
	callout_deactivate(&t->callout);

	function = t->function;
	mtx_unlock_spin(&t->mtx);

	function(t->data);
}

static void
test_callout(void *arg)
{
	struct callout_run *rn;
	int cpu;
	
	critical_enter();
	cpu = curcpu;
	critical_exit();
	rn = (struct callout_run *)arg;
	atomic_add_int(&rn->callout_waiting, 1);
	mtx_lock(&rn->lock);
	if (callout_pending(&rn->co_array[cpu]) ||
	    !callout_active(&rn->co_array[cpu])) {
		rn->co_return_npa++;
		atomic_subtract_int(&rn->callout_waiting, 1);
		mtx_unlock(&rn->lock);
		return;
	}
	callout_deactivate(&rn->co_array[cpu]);
	rn->co_completed++;
	mtx_unlock(&rn->lock);	
	atomic_subtract_int(&rn->callout_waiting, 1);
}

void
tcp_timer_keep(void *xtp)
{
	struct tcpcb *tp = xtp;
	struct tcptemp *t_template;
	struct inpcb *inp;
	CURVNET_SET(tp->t_vnet);
#ifdef TCPDEBUG
	int ostate;

	ostate = tp->t_state;
#endif
	INP_INFO_RLOCK(&V_tcbinfo);
	inp = tp->t_inpcb;
	KASSERT(inp != NULL, ("%s: tp %p tp->t_inpcb == NULL", __func__, tp));
	INP_WLOCK(inp);
	if (callout_pending(&tp->t_timers->tt_keep) ||
	    !callout_active(&tp->t_timers->tt_keep)) {
		INP_WUNLOCK(inp);
		INP_INFO_RUNLOCK(&V_tcbinfo);
		CURVNET_RESTORE();
		return;
	}
	callout_deactivate(&tp->t_timers->tt_keep);
	if ((inp->inp_flags & INP_DROPPED) != 0) {
		INP_WUNLOCK(inp);
		INP_INFO_RUNLOCK(&V_tcbinfo);
		CURVNET_RESTORE();
		return;
	}
	KASSERT((tp->t_timers->tt_flags & TT_STOPPED) == 0,
		("%s: tp %p tcpcb can't be stopped here", __func__, tp));
	KASSERT((tp->t_timers->tt_flags & TT_KEEP) != 0,
		("%s: tp %p keep callout should be running", __func__, tp));
	/*
	 * Keep-alive timer went off; send something
	 * or drop connection if idle for too long.
	 */
	TCPSTAT_INC(tcps_keeptimeo);
	if (tp->t_state < TCPS_ESTABLISHED)
		goto dropit;
	if ((always_keepalive || inp->inp_socket->so_options & SO_KEEPALIVE) &&
	    tp->t_state <= TCPS_CLOSING) {
		if (ticks - tp->t_rcvtime >= TP_KEEPIDLE(tp) + TP_MAXIDLE(tp))
			goto dropit;
		/*
		 * Send a packet designed to force a response
		 * if the peer is up and reachable:
		 * either an ACK if the connection is still alive,
		 * or an RST if the peer has closed the connection
		 * due to timeout or reboot.
		 * Using sequence number tp->snd_una-1
		 * causes the transmitted zero-length segment
		 * to lie outside the receive window;
		 * by the protocol spec, this requires the
		 * correspondent TCP to respond.
		 */
		TCPSTAT_INC(tcps_keepprobe);
		t_template = tcpip_maketemplate(inp);
		if (t_template) {
			tcp_respond(tp, t_template->tt_ipgen,
				    &t_template->tt_t, (struct mbuf *)NULL,
				    tp->rcv_nxt, tp->snd_una - 1, 0);
			free(t_template, M_TEMP);
		}
		if (!callout_reset(&tp->t_timers->tt_keep, TP_KEEPINTVL(tp),
		    tcp_timer_keep, tp)) {
			tp->t_timers->tt_flags &= ~TT_KEEP_RST;
		}
	} else if (!callout_reset(&tp->t_timers->tt_keep, TP_KEEPIDLE(tp),
		    tcp_timer_keep, tp)) {
			tp->t_timers->tt_flags &= ~TT_KEEP_RST;
		}

#ifdef TCPDEBUG
	if (inp->inp_socket->so_options & SO_DEBUG)
		tcp_trace(TA_USER, ostate, tp, (void *)0, (struct tcphdr *)0,
			  PRU_SLOWTIMO);
#endif
	TCP_PROBE2(debug__user, tp, PRU_SLOWTIMO);
	INP_WUNLOCK(inp);
	INP_INFO_RUNLOCK(&V_tcbinfo);
	CURVNET_RESTORE();
	return;

dropit:
	TCPSTAT_INC(tcps_keepdrops);
	tp = tcp_drop(tp, ETIMEDOUT);

#ifdef TCPDEBUG
	if (tp != NULL && (tp->t_inpcb->inp_socket->so_options & SO_DEBUG))
		tcp_trace(TA_USER, ostate, tp, (void *)0, (struct tcphdr *)0,
			  PRU_SLOWTIMO);
#endif
	TCP_PROBE2(debug__user, tp, PRU_SLOWTIMO);
	if (tp != NULL)
		INP_WUNLOCK(tp->t_inpcb);
	INP_INFO_RUNLOCK(&V_tcbinfo);
	CURVNET_RESTORE();
}

void
tcp_timer_rexmt(void * xtp)
{
	struct tcpcb *tp = xtp;
	CURVNET_SET(tp->t_vnet);
	int rexmt;
	struct inpcb *inp;
#ifdef TCPDEBUG
	int ostate;

	ostate = tp->t_state;
#endif
	inp = tp->t_inpcb;
	KASSERT(inp != NULL, ("%s: tp %p tp->t_inpcb == NULL", __func__, tp));
	INP_WLOCK(inp);
	if (callout_pending(&tp->t_timers->tt_rexmt) ||
	    !callout_active(&tp->t_timers->tt_rexmt)) {
		INP_WUNLOCK(inp);
		CURVNET_RESTORE();
		return;
	}
	callout_deactivate(&tp->t_timers->tt_rexmt);
	if ((inp->inp_flags & INP_DROPPED) != 0) {
		INP_WUNLOCK(inp);
		CURVNET_RESTORE();
		return;
	}
	KASSERT((tp->t_timers->tt_flags & TT_STOPPED) == 0,
		("%s: tp %p tcpcb can't be stopped here", __func__, tp));
	tcp_free_sackholes(tp);
	if (tp->t_fb->tfb_tcp_rexmit_tmr) {
		/* The stack has a timer action too. */
		(*tp->t_fb->tfb_tcp_rexmit_tmr)(tp);
	}
	/*
	 * Retransmission timer went off.  Message has not
	 * been acked within retransmit interval.  Back off
	 * to a longer retransmit interval and retransmit one segment.
	 */
	if (++tp->t_rxtshift > TCP_MAXRXTSHIFT) {
		tp->t_rxtshift = TCP_MAXRXTSHIFT;
		TCPSTAT_INC(tcps_timeoutdrop);
		if (tcp_inpinfo_lock_add(inp)) {
			tcp_inpinfo_lock_del(inp, tp);
			goto out;
		}
		tp = tcp_drop(tp, tp->t_softerror ?
			      tp->t_softerror : ETIMEDOUT);
		tcp_inpinfo_lock_del(inp, tp);
		goto out;
	}
	if (tp->t_state == TCPS_SYN_SENT) {
		/*
		 * If the SYN was retransmitted, indicate CWND to be
		 * limited to 1 segment in cc_conn_init().
		 */
		tp->snd_cwnd = 1;
	} else if (tp->t_rxtshift == 1) {
		/*
		 * first retransmit; record ssthresh and cwnd so they can
		 * be recovered if this turns out to be a "bad" retransmit.
		 * A retransmit is considered "bad" if an ACK for this
		 * segment is received within RTT/2 interval; the assumption
		 * here is that the ACK was already in flight.  See
		 * "On Estimating End-to-End Network Path Properties" by
		 * Allman and Paxson for more details.
		 */
		tp->snd_cwnd_prev = tp->snd_cwnd;
		tp->snd_ssthresh_prev = tp->snd_ssthresh;
		tp->snd_recover_prev = tp->snd_recover;
		if (IN_FASTRECOVERY(tp->t_flags))
			tp->t_flags |= TF_WASFRECOVERY;
		else
			tp->t_flags &= ~TF_WASFRECOVERY;
		if (IN_CONGRECOVERY(tp->t_flags))
			tp->t_flags |= TF_WASCRECOVERY;
		else
			tp->t_flags &= ~TF_WASCRECOVERY;
		tp->t_badrxtwin = ticks + (tp->t_srtt >> (TCP_RTT_SHIFT + 1));
		tp->t_flags |= TF_PREVVALID;
	} else

static void
mv_gpio_debounce(void *arg)
{
	uint8_t raw_read, last_state;
	int pin;
	device_t dev;
	int *debounce_counter;
	struct mv_gpio_softc *sc;
	struct mv_gpio_pindev *s;

	s = (struct mv_gpio_pindev *)arg;
	dev = s->dev;
	pin = s->pin;
	sc = (struct mv_gpio_softc *)device_get_softc(dev);

	MV_GPIO_LOCK();

	raw_read = (mv_gpio_value_get(dev, pin, 1) ? 1 : 0);
	last_state = (mv_gpio_debounced_state_get(dev, pin) ? 1 : 0);
	debounce_counter = &sc->debounce_counters[pin];

	if (raw_read == last_state) {
		if (last_state)
			*debounce_counter = DEBOUNCE_HI_LO_MS /
			    DEBOUNCE_CHECK_MS;
		else
			*debounce_counter = DEBOUNCE_LO_HI_MS /
			    DEBOUNCE_CHECK_MS;

		callout_reset(sc->debounce_callouts[pin],
		    DEBOUNCE_CHECK_TICKS, mv_gpio_debounce, arg);
	} else {
		*debounce_counter = *debounce_counter - 1;
		if (*debounce_counter != 0)
			callout_reset(sc->debounce_callouts[pin],
			    DEBOUNCE_CHECK_TICKS, mv_gpio_debounce, arg);
		else {
			mv_gpio_debounced_state_set(dev, pin, raw_read);

			if (last_state)
				*debounce_counter = DEBOUNCE_HI_LO_MS /
				    DEBOUNCE_CHECK_MS;
			else
				*debounce_counter = DEBOUNCE_LO_HI_MS /
				    DEBOUNCE_CHECK_MS;

			if (((sc->gpio_setup[pin].gp_flags & MV_GPIO_IN_POL_LOW) &&
			    (raw_read == 0)) ||
			    (((sc->gpio_setup[pin].gp_flags & MV_GPIO_IN_POL_LOW) == 0) &&
			    raw_read) ||
			    (sc->gpio_setup[pin].gp_flags & MV_GPIO_IN_IRQ_DOUBLE_EDGE))
				mv_gpio_intr_handler(dev, pin);

			/* Toggle polarity for next edge. */
			mv_gpio_polarity(dev, pin, 0, 1);

			free(arg, M_DEVBUF);
			callout_deactivate(sc->debounce_callouts[pin]);
		}
	}

	MV_GPIO_UNLOCK();
}

void
tcp_timer_keep(void *xtp)
{
	struct tcpcb *tp = xtp;
	struct tcptemp *t_template;
	struct inpcb *inp;
	CURVNET_SET(tp->t_vnet);
#ifdef TCPDEBUG
	int ostate;

	ostate = tp->t_state;
#endif
	inp = tp->t_inpcb;
	KASSERT(inp != NULL, ("%s: tp %p tp->t_inpcb == NULL", __func__, tp));
	INP_WLOCK(inp);
	if (callout_pending(&tp->t_timers->tt_keep) ||
	    !callout_active(&tp->t_timers->tt_keep)) {
		INP_WUNLOCK(inp);
		CURVNET_RESTORE();
		return;
	}
	callout_deactivate(&tp->t_timers->tt_keep);
	if ((inp->inp_flags & INP_DROPPED) != 0) {
		INP_WUNLOCK(inp);
		CURVNET_RESTORE();
		return;
	}
	KASSERT((tp->t_timers->tt_flags & TT_STOPPED) == 0,
		("%s: tp %p tcpcb can't be stopped here", __func__, tp));

	/*
	 * Because we don't regularly reset the keepalive callout in
	 * the ESTABLISHED state, it may be that we don't actually need
	 * to send a keepalive yet. If that occurs, schedule another
	 * call for the next time the keepalive timer might expire.
	 */
	if (TCPS_HAVEESTABLISHED(tp->t_state)) {
		u_int idletime;

		idletime = ticks - tp->t_rcvtime;
		if (idletime < TP_KEEPIDLE(tp)) {
			callout_reset(&tp->t_timers->tt_keep,
			    TP_KEEPIDLE(tp) - idletime, tcp_timer_keep, tp);
			INP_WUNLOCK(inp);
			CURVNET_RESTORE();
			return;
		}
	}

	/*
	 * Keep-alive timer went off; send something
	 * or drop connection if idle for too long.
	 */
	TCPSTAT_INC(tcps_keeptimeo);
	if (tp->t_state < TCPS_ESTABLISHED)
		goto dropit;
	if ((always_keepalive || inp->inp_socket->so_options & SO_KEEPALIVE) &&
	    tp->t_state <= TCPS_CLOSING) {
		if (ticks - tp->t_rcvtime >= TP_KEEPIDLE(tp) + TP_MAXIDLE(tp))
			goto dropit;
		/*
		 * Send a packet designed to force a response
		 * if the peer is up and reachable:
		 * either an ACK if the connection is still alive,
		 * or an RST if the peer has closed the connection
		 * due to timeout or reboot.
		 * Using sequence number tp->snd_una-1
		 * causes the transmitted zero-length segment
		 * to lie outside the receive window;
		 * by the protocol spec, this requires the
		 * correspondent TCP to respond.
		 */
		TCPSTAT_INC(tcps_keepprobe);
		t_template = tcpip_maketemplate(inp);
		if (t_template) {
			tcp_respond(tp, t_template->tt_ipgen,
				    &t_template->tt_t, (struct mbuf *)NULL,
				    tp->rcv_nxt, tp->snd_una - 1, 0);
			free(t_template, M_TEMP);
		}
		callout_reset(&tp->t_timers->tt_keep, TP_KEEPINTVL(tp),
			      tcp_timer_keep, tp);
	} else
		callout_reset(&tp->t_timers->tt_keep, TP_KEEPIDLE(tp),
			      tcp_timer_keep, tp);

#ifdef TCPDEBUG
	if (inp->inp_socket->so_options & SO_DEBUG)
		tcp_trace(TA_USER, ostate, tp, (void *)0, (struct tcphdr *)0,
			  PRU_SLOWTIMO);
#endif
	TCP_PROBE2(debug__user, tp, PRU_SLOWTIMO);
	INP_WUNLOCK(inp);
	CURVNET_RESTORE();
	return;

dropit:
	TCPSTAT_INC(tcps_keepdrops);

	if (tcp_inpinfo_lock_add(inp)) {
//.........这里部分代码省略.........

void
tcp_timer_persist(void *xtp)
{
	struct tcpcb *tp = xtp;
	struct inpcb *inp;
	CURVNET_SET(tp->t_vnet);
#ifdef TCPDEBUG
	int ostate;

	ostate = tp->t_state;
#endif
	inp = tp->t_inpcb;
	KASSERT(inp != NULL, ("%s: tp %p tp->t_inpcb == NULL", __func__, tp));
	INP_WLOCK(inp);
	if (callout_pending(&tp->t_timers->tt_persist) ||
	    !callout_active(&tp->t_timers->tt_persist)) {
		INP_WUNLOCK(inp);
		CURVNET_RESTORE();
		return;
	}
	callout_deactivate(&tp->t_timers->tt_persist);
	if ((inp->inp_flags & INP_DROPPED) != 0) {
		INP_WUNLOCK(inp);
		CURVNET_RESTORE();
		return;
	}
	KASSERT((tp->t_timers->tt_flags & TT_STOPPED) == 0,
		("%s: tp %p tcpcb can't be stopped here", __func__, tp));
	/*
	 * Persistence timer into zero window.
	 * Force a byte to be output, if possible.
	 */
	TCPSTAT_INC(tcps_persisttimeo);
	/*
	 * Hack: if the peer is dead/unreachable, we do not
	 * time out if the window is closed.  After a full
	 * backoff, drop the connection if the idle time
	 * (no responses to probes) reaches the maximum
	 * backoff that we would use if retransmitting.
	 */
	if (tp->t_rxtshift == TCP_MAXRXTSHIFT &&
	    (ticks - tp->t_rcvtime >= tcp_maxpersistidle ||
	     ticks - tp->t_rcvtime >= TCP_REXMTVAL(tp) * tcp_totbackoff)) {
		TCPSTAT_INC(tcps_persistdrop);
		if (tcp_inpinfo_lock_add(inp)) {
			tcp_inpinfo_lock_del(inp, tp);
			goto out;
		}
		tp = tcp_drop(tp, ETIMEDOUT);
		tcp_inpinfo_lock_del(inp, tp);
		goto out;
	}
	/*
	 * If the user has closed the socket then drop a persisting
	 * connection after a much reduced timeout.
	 */
	if (tp->t_state > TCPS_CLOSE_WAIT &&
	    (ticks - tp->t_rcvtime) >= TCPTV_PERSMAX) {
		TCPSTAT_INC(tcps_persistdrop);
		if (tcp_inpinfo_lock_add(inp)) {
			tcp_inpinfo_lock_del(inp, tp);
			goto out;
		}
		tp = tcp_drop(tp, ETIMEDOUT);
		tcp_inpinfo_lock_del(inp, tp);
		goto out;
	}
	tcp_setpersist(tp);
	tp->t_flags |= TF_FORCEDATA;
	(void) tp->t_fb->tfb_tcp_output(tp);
	tp->t_flags &= ~TF_FORCEDATA;

#ifdef TCPDEBUG
	if (tp != NULL && tp->t_inpcb->inp_socket->so_options & SO_DEBUG)
		tcp_trace(TA_USER, ostate, tp, NULL, NULL, PRU_SLOWTIMO);
#endif
	TCP_PROBE2(debug__user, tp, PRU_SLOWTIMO);
	INP_WUNLOCK(inp);
out:
	CURVNET_RESTORE();
}