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- Implement selwakeuppri() which allows raising the priority of a

Browse Source 
thread being waken up.  The thread waken up can run at a priority as
  high as after tsleep().

- Replace selwakeup()s with selwakeuppri()s and pass appropriate
  priorities.

- Add cv_broadcastpri() which raises the priority of the broadcast
  threads.  Used by selwakeuppri() if collision occurs.

Not objected in:	-arch, -current
This commit is contained in:
Seigo Tanimura 2003-11-09 09:17:26 +00:00
parent 2e55d247a6
commit 512824f8f7
52 changed files with 106 additions and 75 deletions
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2
sys/cam/scsi/scsi_target.c
View File

@ -1119,7 +1119,7 @@ notify_user(struct targ_softc *softc)
* Notify users sleeping via poll(), kqueue(), and
* blocking read().
*/
selwakeup(&softc->read_select);
selwakeuppri(&softc->read_select, PRIBIO);
KNOTE(&softc->read_select.si_note, 0);
wakeup(&softc->user_ccb_queue);
}

4
sys/coda/coda_psdev.c
View File

@ -526,7 +526,7 @@ coda_call(mntinfo, inSize, outSize, buffer)
/* Append msg to request queue and poke Venus. */
INSQUE(vmp->vm_chain, vcp->vc_requests);
selwakeup(&(vcp->vc_selproc));
selwakeuppri(&(vcp->vc_selproc), coda_call_sleep);
/* We can be interrupted while we wait for Venus to process
* our request. If the interrupt occurs before Venus has read
@ -664,7 +664,7 @@ coda_call(mntinfo, inSize, outSize, buffer)
/* insert at head of queue! */
INSQUE(svmp->vm_chain, vcp->vc_requests);
selwakeup(&(vcp->vc_selproc));
selwakeuppri(&(vcp->vc_selproc), coda_call_sleep);
}
}

2
sys/dev/aac/aac.c
View File

@ -2717,7 +2717,7 @@ aac_handle_aif(struct aac_softc *sc, struct aac_fib *fib)
if (sc->aac_state & AAC_STATE_AIF_SLEEPER)
wakeup(sc->aac_aifq);
/* Wakeup any poll()ers */
selwakeup(&sc->rcv_select);
selwakeuppri(&sc->rcv_select, PRIBIO);
}
AAC_LOCK_RELEASE(&sc->aac_aifq_lock);

2
sys/dev/atkbdc/psm.c
View File

@ -2371,7 +2371,7 @@ psmintr(void *arg)
sc->state &= ~PSM_ASLP;
wakeup( sc);
}
selwakeup(&sc->rsel);
selwakeuppri(&sc->rsel, PZERO);
}
}

2
sys/dev/bktr/bktr_core.c
View File

@ -821,7 +821,7 @@ common_bktr_intr( void *arg )
/* If someone has a select() on /dev/vbi, inform them */
if (SEL_WAITING(&bktr->vbi_select)) {
selwakeup(&bktr->vbi_select);
selwakeuppri(&bktr->vbi_select, VBIPRI);
}

2
sys/dev/firewire/firewire.c
View File

@ -1963,7 +1963,7 @@ fw_rcv(struct fw_rcv_buf *rb)
#else
if (&xferq->rsel.si_pid != 0)
#endif
selwakeup(&xferq->rsel);
selwakeuppri(&xferq->rsel, FWPRI);
if (xferq->flag & FWXFERQ_WAKEUP) {
xferq->flag &= ~FWXFERQ_WAKEUP;
wakeup((caddr_t)xferq);

4
sys/dev/kbd/kbd.c
View File

@ -676,7 +676,7 @@ genkbd_event(keyboard_t *kbd, int event, void *arg)
sc->gkb_flags &= ~KB_ASLEEP;
wakeup(sc);
}
selwakeup(&sc->gkb_rsel);
selwakeuppri(&sc->gkb_rsel, PZERO);
return 0;
default:
return EINVAL;
@ -747,7 +747,7 @@ genkbd_event(keyboard_t *kbd, int event, void *arg)
sc->gkb_flags &= ~KB_ASLEEP;
wakeup(sc);
}
selwakeup(&sc->gkb_rsel);
selwakeuppri(&sc->gkb_rsel, PZERO);
}
return 0;

2
sys/dev/mse/mse.c
View File

@ -751,7 +751,7 @@ mseintr(arg)
sc->sc_flags &= ~MSESC_WANT;
wakeup(sc);
}
selwakeup(&sc->sc_selp);
selwakeuppri(&sc->sc_selp, MSEPRI);
}
}

4
sys/dev/nmdm/nmdm.c
View File

@ -451,11 +451,11 @@ wakeup_other(struct tty *tp, int flag)
GETPARTS(tp, ourpart, otherpart);
if (flag & FREAD) {
selwakeup(&otherpart->nm_tty.t_rsel);
selwakeuppri(&otherpart->nm_tty.t_rsel, TTIPRI);
wakeup(TSA_PTC_READ((&otherpart->nm_tty)));
}
if (flag & FWRITE) {
selwakeup(&otherpart->nm_tty.t_wsel);
selwakeuppri(&otherpart->nm_tty.t_wsel, TTOPRI);
wakeup(TSA_PTC_WRITE((&otherpart->nm_tty)));
}
}

2
sys/dev/random/randomdev.c
View File

@ -426,7 +426,7 @@ random_unblock(void)
{
if (!random_systat.seeded) {
random_systat.seeded = 1;
selwakeup(&random_systat.rsel);
selwakeuppri(&random_systat.rsel, PUSER);
wakeup(&random_systat);
}
}

2
sys/dev/sab/sab.c
View File

@ -799,7 +799,7 @@ sabttystart(struct tty *tp)
tp->t_state &= ~TS_SO_OLOWAT;
wakeup(TSA_OLOWAT(tp));
}
selwakeup(&tp->t_wsel);
selwakeuppri(&tp->t_wsel, TTOPRI);
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) {

4
sys/dev/snp/snp.c
View File

@ -370,7 +370,7 @@ snp_in(snp, buf, n)
snp->snp_flags &= ~SNOOP_RWAIT;
wakeup(snp);
}
selwakeup(&snp->snp_sel);
selwakeuppri(&snp->snp_sel, PZERO + 1);
return (n);
}
@ -444,7 +444,7 @@ snp_detach(snp)
snp->snp_target = NODEV;
detach_notty:
selwakeup(&snp->snp_sel);
selwakeuppri(&snp->snp_sel, PZERO + 1);
if ((snp->snp_flags & SNOOP_OPEN) == 0)
free(snp, M_SNP);

4
sys/dev/sound/midi/midibuf.c
View File

@ -358,7 +358,7 @@ queuerawdata(midi_dbuf *dbuf, char *data, int len)
/* Wake up the processes sleeping on input data. */
cv_broadcast(&dbuf->cv_in);
if (SEL_WAITING(&dbuf->sel) && dbuf->rl >= dbuf->blocksize)
selwakeup(&dbuf->sel);
selwakeuppri(&dbuf->sel, PRIBIO);
}
static void
@ -399,5 +399,5 @@ deleterawdata(midi_dbuf *dbuf, int len)
/* Wake up the processes sleeping on queueing. */
cv_broadcast(&dbuf->cv_out);
if (SEL_WAITING(&dbuf->sel) && dbuf->fl >= dbuf->blocksize)
selwakeup(&dbuf->sel);
selwakeuppri(&dbuf->sel, PRIBIO);
}

2
sys/dev/sound/pcm/channel.c
View File

@ -116,7 +116,7 @@ chn_wakeup(struct pcm_channel *c)
CHN_LOCKASSERT(c);
if (SEL_WAITING(sndbuf_getsel(bs)) && chn_polltrigger(c))
selwakeup(sndbuf_getsel(bs));
selwakeuppri(sndbuf_getsel(bs), PRIBIO);
wakeup(bs);
}

2
sys/dev/usb/ucom.c
View File

@ -875,7 +875,7 @@ ucomstart(struct tty *tp)
CLR(tp->t_state, TS_SO_OLOWAT);
wakeup(TSA_OLOWAT(tp));
}
selwakeup(&tp->t_wsel);
selwakeuppri(&tp->t_wsel, TTIPRI);
if (tp->t_outq.c_cc == 0) {
if (ISSET(tp->t_state, TS_BUSY | TS_SO_OCOMPLETE) ==
TS_SO_OCOMPLETE && tp->t_outq.c_cc == 0) {

4
sys/dev/usb/ugen.c
View File

@ -945,7 +945,7 @@ ugenintr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status)
DPRINTFN(5, ("ugen_intr: waking %p\n", sce));
wakeup(sce);
}
selwakeup(&sce->rsel);
selwakeuppri(&sce->rsel, PZERO);
}
Static void
@ -1005,7 +1005,7 @@ ugen_isoc_rintr(usbd_xfer_handle xfer, usbd_private_handle addr,
DPRINTFN(5, ("ugen_isoc_rintr: waking %p\n", sce));
wakeup(sce);
}
selwakeup(&sce->rsel);
selwakeuppri(&sce->rsel, PZERO);
}
Static usbd_status

2
sys/dev/usb/uhid.c
View File

@ -383,7 +383,7 @@ uhid_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status)
DPRINTFN(5, ("uhid_intr: waking %p\n", &sc->sc_q));
wakeup(&sc->sc_q);
}
selwakeup(&sc->sc_rsel);
selwakeuppri(&sc->sc_rsel, PZERO);
if (sc->sc_async != NULL) {
DPRINTFN(3, ("uhid_intr: sending SIGIO %p\n", sc->sc_async));
PROC_LOCK(sc->sc_async);

4
sys/dev/usb/ums.c
View File

@ -394,7 +394,7 @@ ums_detach(device_t self)
}
if (sc->state & UMS_SELECT) {
sc->state &= ~UMS_SELECT;
selwakeup(&sc->rsel);
selwakeuppri(&sc->rsel, PZERO);
}
destroy_dev(sc->dev);
@ -533,7 +533,7 @@ ums_add_to_queue(struct ums_softc *sc, int dx, int dy, int dz, int buttons)
}
if (sc->state & UMS_SELECT) {
sc->state &= ~UMS_SELECT;
selwakeup(&sc->rsel);
selwakeuppri(&sc->rsel, PZERO);
}
}
Static int

2
sys/dev/usb/usb.c
View File

@ -810,7 +810,7 @@ usb_add_event(int type, struct usb_event *uep)
TAILQ_INSERT_TAIL(&usb_events, ueq, next);
usb_nevents++;
wakeup(&usb_events);
selwakeup(&usb_selevent);
selwakeuppri(&usb_selevent, PZERO);
if (usb_async_proc != NULL) {
PROC_LOCK(usb_async_proc);
psignal(usb_async_proc, SIGIO);

2
sys/dev/zs/zs.c
View File

@ -600,7 +600,7 @@ zsttystart(struct tty *tp)
tp->t_state &= ~TS_SO_OLOWAT;
wakeup(TSA_OLOWAT(tp));
}
selwakeup(&tp->t_wsel);
selwakeuppri(&tp->t_wsel, TTOPRI);
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) {

4
sys/fs/coda/coda_psdev.c
View File

@ -526,7 +526,7 @@ coda_call(mntinfo, inSize, outSize, buffer)
/* Append msg to request queue and poke Venus. */
INSQUE(vmp->vm_chain, vcp->vc_requests);
selwakeup(&(vcp->vc_selproc));
selwakeuppri(&(vcp->vc_selproc), coda_call_sleep);
/* We can be interrupted while we wait for Venus to process
* our request. If the interrupt occurs before Venus has read
@ -664,7 +664,7 @@ coda_call(mntinfo, inSize, outSize, buffer)
/* insert at head of queue! */
INSQUE(svmp->vm_chain, vcp->vc_requests);
selwakeup(&(vcp->vc_selproc));
selwakeuppri(&(vcp->vc_selproc), coda_call_sleep);
}
}

2
sys/i386/bios/apm.c
View File

@ -999,7 +999,7 @@ apm_record_event(struct apm_softc *sc, u_int event_type)
sc->event_ptr %= APM_NEVENTS;
evp->type = event_type;
evp->index = ++apm_evindex;
selwakeup(&sc->sc_rsel);
selwakeuppri(&sc->sc_rsel, PZERO);
return (sc->sc_flags & SCFLAG_OCTL) ? 0 : 1; /* user may handle */
}

2
sys/i386/isa/asc.c
View File

@ -525,7 +525,7 @@ ascintr(int unit)
dma_restart(scu);
}
if (SEL_WAITING(&scu->selp)) {
selwakeup(&scu->selp);
selwakeuppri(&scu->selp, ASCPRI);
}
}
}

2
sys/i386/isa/cx.c
View File

@ -546,7 +546,7 @@ cxoproc (struct tty *tp)
tp->t_state &= ~TS_ASLEEP;
wakeup(TSA_OLOWAT(tp));
}
selwakeup(&tp->t_wsel);
selwakeuppri(&tp->t_wsel, TTOPRI);
}
#endif
splx (s);

2
sys/i386/isa/istallion.c
View File

@ -1709,7 +1709,7 @@ static void stli_start(struct tty *tp)
tp->t_state &= ~TS_ASLEEP;
wakeup(&tp->t_outq);
}
selwakeup(&tp->t_wsel);
selwakeuppri(&tp->t_wsel, TTOPRI);
}
#endif

2
sys/i386/isa/mse.c
View File

@ -751,7 +751,7 @@ mseintr(arg)
sc->sc_flags &= ~MSESC_WANT;
wakeup(sc);
}
selwakeup(&sc->sc_selp);
selwakeuppri(&sc->sc_selp, MSEPRI);
}
}

2
sys/i386/isa/spic.c
View File

@ -433,7 +433,7 @@ spictimeout(void *arg)
sc->sc_sleeping = 0;
wakeup( sc);
}
selwakeup(&sc->sc_rsel);
selwakeuppri(&sc->sc_rsel, PZERO);
}
spic_call2(sc, 0x81, 0xff); /* Clear event */

2
sys/i386/isa/stallion.c
View File

@ -1234,7 +1234,7 @@ static void stl_start(struct tty *tp)
tp->t_state &= ~TS_ASLEEP;
wakeup(&tp->t_outq);
}
selwakeup(&tp->t_wsel);
selwakeuppri(&tp->t_wsel, TTOPRI);
}
#endif

6
sys/i4b/driver/i4b_rbch.c
View File

@ -738,7 +738,7 @@ rbch_rx_data_rdy(int unit)
{
NDBGL4(L4_RBCHDBG, "unit %d, NO wakeup", unit);
}
selwakeup(&rbch_softc[unit].selp);
selwakeuppri(&rbch_softc[unit].selp, TTIPRI);
}
/*---------------------------------------------------------------------------*
@ -759,7 +759,7 @@ rbch_tx_queue_empty(int unit)
{
NDBGL4(L4_RBCHDBG, "unit %d, NO wakeup", unit);
}
selwakeup(&rbch_softc[unit].selp);
selwakeuppri(&rbch_softc[unit].selp, TTOPRI);
}
/*---------------------------------------------------------------------------*
@ -771,7 +771,7 @@ rbch_activity(int unit, int rxtx)
{
if (rbch_softc[unit].sc_cd)
rbch_softc[unit].sc_cd->last_active_time = SECOND;
selwakeup(&rbch_softc[unit].selp);
selwakeuppri(&rbch_softc[unit].selp, TTIPRI);
}
/*---------------------------------------------------------------------------*

10
sys/i4b/driver/i4b_tel.c
View File

@ -791,7 +791,7 @@ tel_connect(int unit, void *cdp)
sc->devstate &= ~ST_RDWAITDATA;
wakeup( &sc->result);
}
selwakeup(&sc->selp);
selwakeuppri(&sc->selp, TTIPRI);
}
}
@ -835,7 +835,7 @@ tel_disconnect(int unit, void *cdp)
sc->devstate &= ~ST_RDWAITDATA;
wakeup( &sc->result);
}
selwakeup(&sc->selp);
selwakeuppri(&sc->selp, TTIPRI);
if (sc->devstate & ST_TONE) {
sc->devstate &= ~ST_TONE;
@ -864,7 +864,7 @@ tel_dialresponse(int unit, int status, cause_t cause)
sc->devstate &= ~ST_RDWAITDATA;
wakeup( &sc->result);
}
selwakeup(&sc->selp);
selwakeuppri(&sc->selp, TTIPRI);
}
}
@ -891,7 +891,7 @@ tel_rx_data_rdy(int unit)
sc->devstate &= ~ST_RDWAITDATA;
wakeup( &sc->isdn_linktab->rx_queue);
}
selwakeup(&sc->selp);
selwakeuppri(&sc->selp, TTOPRI);
}
/*---------------------------------------------------------------------------*
@ -912,7 +912,7 @@ tel_tx_queue_empty(int unit)
if(sc->devstate & ST_TONE) {
tel_tone(sc);
} else {
selwakeup(&sc->selp);
selwakeuppri(&sc->selp, TTIPRI);
}
}

4
sys/i4b/layer4/i4b_i4bdrv.c
View File

@ -820,7 +820,7 @@ i4bputqueue(struct mbuf *m)
if(selflag)
{
selflag = 0;
selwakeup(&select_rd_info);
selwakeuppri(&select_rd_info, TTIPRI);
}
}
@ -863,6 +863,6 @@ i4bputqueue_hipri(struct mbuf *m)
if(selflag)
{
selflag = 0;
selwakeup(&select_rd_info);
selwakeuppri(&select_rd_info, TTIPRI);
}
}

2
sys/isa/psm.c
View File

@ -2371,7 +2371,7 @@ psmintr(void *arg)
sc->state &= ~PSM_ASLP;
wakeup( sc);
}
selwakeup(&sc->rsel);
selwakeuppri(&sc->rsel, PZERO);
}
}

11
sys/kern/kern_condvar.c
View File

@ -525,14 +525,21 @@ cv_signal(struct cv *cvp)
* Should be called with the same mutex as was passed to cv_wait held.
*/
void
cv_broadcast(struct cv *cvp)
cv_broadcastpri(struct cv *cvp, int pri)
{
struct thread *td;
KASSERT(cvp != NULL, ("%s: cvp NULL", __func__));
mtx_lock_spin(&sched_lock);
CV_SIGNAL_VALIDATE(cvp);
while (!TAILQ_EMPTY(&cvp->cv_waitq))
while (!TAILQ_EMPTY(&cvp->cv_waitq)) {
if (pri >= PRI_MIN && pri <= PRI_MAX) {
td = TAILQ_FIRST(&cvp->cv_waitq);
if (td->td_priority > pri)
td->td_priority = pri;
}
cv_wakeup(cvp);
}
mtx_unlock_spin(&sched_lock);
}

2
sys/kern/kern_event.c
View File

@ -925,7 +925,7 @@ kqueue_wakeup(struct kqueue *kq)
}
if (kq->kq_state & KQ_SEL) {
kq->kq_state &= ~KQ_SEL;
selwakeup(&kq->kq_sel);
selwakeuppri(&kq->kq_sel, PSOCK);
}
KNOTE(&kq->kq_sel.si_note, 0);
}

2
sys/kern/subr_log.c
View File

@ -192,7 +192,7 @@ logtimeout(void *arg)
return;
}
msgbuftrigger = 0;
selwakeup(&logsoftc.sc_selp);
selwakeuppri(&logsoftc.sc_selp, LOG_RDPRI);
if ((logsoftc.sc_state & LOG_ASYNC) && logsoftc.sc_sigio != NULL)
pgsigio(&logsoftc.sc_sigio, SIGIO, 0);
if (logsoftc.sc_state & LOG_RDWAIT) {

29
sys/kern/sys_generic.c
View File

@ -82,6 +82,7 @@ static int dofileread(struct thread *, struct file *, int, void *,
size_t, off_t, int);
static int dofilewrite(struct thread *, struct file *, int,
const void *, size_t, off_t, int);
static void doselwakeup(struct selinfo *, int);
/*
* Read system call.
@ -1162,12 +1163,30 @@ selrecord(selector, sip)
mtx_unlock(&sellock);
}
/*
* Do a wakeup when a selectable event occurs.
*/
/* Wake up a selecting thread. */
void
selwakeup(sip)
struct selinfo *sip;
{
doselwakeup(sip, -1);
}
/* Wake up a selecting thread, and set its priority. */
void
selwakeuppri(sip, pri)
struct selinfo *sip;
int pri;
{
doselwakeup(sip, pri);
}
/*
* Do a wakeup when a selectable event occurs.
*/
static void
doselwakeup(sip, pri)
struct selinfo *sip;
int pri;
{
struct thread *td;
@ -1176,7 +1195,7 @@ selwakeup(sip)
if ((sip->si_flags & SI_COLL) != 0) {
nselcoll++;
sip->si_flags &= ~SI_COLL;
cv_broadcast(&selwait);
cv_broadcastpri(&selwait, pri);
}
if (td == NULL) {
mtx_unlock(&sellock);
@ -1188,6 +1207,8 @@ selwakeup(sip)
if (td->td_wchan == &selwait) {
cv_waitq_remove(td);
TD_CLR_SLEEPING(td);
if (pri >= PRI_MIN && pri <= PRI_MAX && td->td_priority > pri)
td->td_priority = pri;
setrunnable(td);
} else
td->td_flags &= ~TDF_SELECT;

2
sys/kern/sys_pipe.c
View File

@ -447,7 +447,7 @@ pipeselwakeup(cpipe)
if (cpipe->pipe_state & PIPE_SEL) {
cpipe->pipe_state &= ~PIPE_SEL;
selwakeup(&cpipe->pipe_sel);
selwakeuppri(&cpipe->pipe_sel, PSOCK);
}
if ((cpipe->pipe_state & PIPE_ASYNC) && cpipe->pipe_sigio)
pgsigio(&cpipe->pipe_sigio, SIGIO, 0);

4
sys/kern/tty.c
View File

@ -2271,7 +2271,7 @@ ttwakeup(struct tty *tp)
{
if (SEL_WAITING(&tp->t_rsel))
selwakeup(&tp->t_rsel);
selwakeuppri(&tp->t_rsel, TTIPRI);
if (ISSET(tp->t_state, TS_ASYNC) && tp->t_sigio != NULL)
pgsigio(&tp->t_sigio, SIGIO, (tp->t_session != NULL));
wakeup(TSA_HUP_OR_INPUT(tp));
@ -2286,7 +2286,7 @@ ttwwakeup(struct tty *tp)
{
if (SEL_WAITING(&tp->t_wsel) && tp->t_outq.c_cc <= tp->t_olowat)
selwakeup(&tp->t_wsel);
selwakeuppri(&tp->t_wsel, TTOPRI);
if (ISSET(tp->t_state, TS_ASYNC) && tp->t_sigio != NULL)
pgsigio(&tp->t_sigio, SIGIO, (tp->t_session != NULL));
if (ISSET(tp->t_state, TS_BUSY | TS_SO_OCOMPLETE) ==

4
sys/kern/tty_pty.c
View File

@ -326,11 +326,11 @@ ptcwakeup(tp, flag)
struct pt_ioctl *pti = tp->t_dev->si_drv1;
if (flag & FREAD) {
selwakeup(&pti->pt_selr);
selwakeuppri(&pti->pt_selr, TTIPRI);
wakeup(TSA_PTC_READ(tp));
}
if (flag & FWRITE) {
selwakeup(&pti->pt_selw);
selwakeuppri(&pti->pt_selw, TTOPRI);
wakeup(TSA_PTC_WRITE(tp));
}
}

2
sys/kern/uipc_sockbuf.c
View File

@ -308,7 +308,7 @@ sowakeup(so, sb)
register struct sockbuf *sb;
{
selwakeup(&sb->sb_sel);
selwakeuppri(&sb->sb_sel, PSOCK);
sb->sb_flags &= ~SB_SEL;
if (sb->sb_flags & SB_WAIT) {
sb->sb_flags &= ~SB_WAIT;

2
sys/kern/uipc_socket.c
View File

@ -1744,7 +1744,7 @@ sohasoutofband(so)
{
if (so->so_sigio != NULL)
pgsigio(&so->so_sigio, SIGURG, 0);
selwakeup(&so->so_rcv.sb_sel);
selwakeuppri(&so->so_rcv.sb_sel, PSOCK);
}
int

2
sys/kern/uipc_socket2.c
View File

@ -308,7 +308,7 @@ sowakeup(so, sb)
register struct sockbuf *sb;
{
selwakeup(&sb->sb_sel);
selwakeuppri(&sb->sb_sel, PSOCK);
sb->sb_flags &= ~SB_SEL;
if (sb->sb_flags & SB_WAIT) {
sb->sb_flags &= ~SB_WAIT;

4
sys/kern/vfs_subr.c
View File

@ -3375,7 +3375,7 @@ vn_pollevent(vp, events)
*/
vp->v_pollinfo->vpi_events = 0; /* &= ~events ??? */
vp->v_pollinfo->vpi_revents |= events;
selwakeup(&vp->v_pollinfo->vpi_selinfo);
selwakeuppri(&vp->v_pollinfo->vpi_selinfo, PRIBIO);
}
mtx_unlock(&vp->v_pollinfo->vpi_lock);
}
@ -3394,7 +3394,7 @@ vn_pollgone(vp)
VN_KNOTE(vp, NOTE_REVOKE);
if (vp->v_pollinfo->vpi_events) {
vp->v_pollinfo->vpi_events = 0;
selwakeup(&vp->v_pollinfo->vpi_selinfo);
selwakeuppri(&vp->v_pollinfo->vpi_selinfo, PRIBIO);
}
mtx_unlock(&vp->v_pollinfo->vpi_lock);
}

2
sys/net/bpf.c
View File

@ -528,7 +528,7 @@ bpf_wakeup(d)
if (d->bd_async && d->bd_sig && d->bd_sigio)
pgsigio(&d->bd_sigio, d->bd_sig, 0);
selwakeup(&d->bd_sel);
selwakeuppri(&d->bd_sel, PRINET);
KNOTE(&d->bd_sel.si_note, 0);
}

4
sys/net/if_tap.c
View File

@ -475,7 +475,7 @@ tapclose(dev, foo, bar, td)
}
funsetown(&tp->tap_sigio);
selwakeup(&tp->tap_rsel);
selwakeuppri(&tp->tap_rsel, PZERO+1);
tp->tap_flags &= ~TAP_OPEN;
tp->tap_pid = 0;
@ -606,7 +606,7 @@ tapifstart(ifp)
if ((tp->tap_flags & TAP_ASYNC) && (tp->tap_sigio != NULL))
pgsigio(&tp->tap_sigio, SIGIO, 0);
selwakeup(&tp->tap_rsel);
selwakeuppri(&tp->tap_rsel, PZERO+1);
ifp->if_opackets ++; /* obytes are counted in ether_output */
}

4
sys/net/if_tun.c
View File

@ -213,7 +213,7 @@ tunstart(struct ifnet *ifp)
}
if (tp->tun_flags & TUN_ASYNC && tp->tun_sigio)
pgsigio(&tp->tun_sigio, SIGIO, 0);
selwakeup(&tp->tun_rsel);
selwakeuppri(&tp->tun_rsel, PZERO + 1);
}
static void
@ -324,7 +324,7 @@ tunclose(dev_t dev, int foo, int bar, struct thread *td)
}
funsetown(&tp->tun_sigio);
selwakeup(&tp->tun_rsel);
selwakeuppri(&tp->tun_rsel, PZERO + 1);
TUNDEBUG (ifp, "closed\n");
err = rman_release_resource(tp->tun_unit);

2
sys/pc98/pc98/mse.c
View File

@ -810,7 +810,7 @@ mseintr(arg)
sc->sc_flags &= ~MSESC_WANT;
wakeup(sc);
}
selwakeup(&sc->sc_selp);
selwakeuppri(&sc->sc_selp, MSEPRI);
}
}

2
sys/pccard/mecia.c
View File

@ -499,7 +499,7 @@ mecia_reset(void *chan)
#endif
outb(MECIA_REG1, 0);
selwakeup(&slt->selp);
selwakeuppri(&slt->selp, PZERO);
}
static void

2
sys/pccard/pccard.c
View File

@ -162,7 +162,7 @@ disable_slot_to(struct slot *slt)
else
printf("pccard: card deactivated, slot %d\n", slt->slotnum);
pccard_remove_beep();
selwakeup(&slt->selp);
selwakeuppri(&slt->selp, PZERO);
}
/*

2
sys/pccard/pcic.c
View File

@ -980,7 +980,7 @@ pcic_reset(void *chan)
sp->putb(sp, PCIC_TIME_CMD1, 0xf);
sp->putb(sp, PCIC_TIME_RECOV1, 0);
}
selwakeup(&slt->selp);
selwakeuppri(&slt->selp, PZERO);
}
/*

4
sys/sys/condvar.h
View File

@ -59,7 +59,9 @@ int cv_timedwait(struct cv *cvp, struct mtx *mp, int timo);
int cv_timedwait_sig(struct cv *cvp, struct mtx *mp, int timo);
void cv_signal(struct cv *cvp);
void cv_broadcast(struct cv *cvp);
void cv_broadcastpri(struct cv *cvp, int);
#define cv_broadcast(cvp) cv_broadcastpri(cvp, -1)
void cv_waitq_remove(struct thread *td);
void cv_abort(struct thread *td);

1
sys/sys/selinfo.h
View File

@ -58,6 +58,7 @@ struct selinfo {
void clear_selinfo_list(struct thread *td);
void selrecord(struct thread *selector, struct selinfo *sip);
void selwakeup(struct selinfo *sip);
void selwakeuppri(struct selinfo *sip, int pri);
#endif
#endif /* !_SYS_SELINFO_H_ */