[src/kqueue]: src/sys/arch/sparc/dev Add kqueue support (not yet compiled).

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/eea67c15d839
branches:  kqueue
changeset: 512422:eea67c15d839
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Sun Sep 09 06:27:31 2001 +0000

description:
Add kqueue support (not yet compiled).

diffstat:

 sys/arch/sparc/dev/tctrl.c |  53 ++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 51 insertions(+), 2 deletions(-)

diffs (74 lines):

diff -r b227228b61eb -r eea67c15d839 sys/arch/sparc/dev/tctrl.c
--- a/sys/arch/sparc/dev/tctrl.c        Sun Sep 09 06:07:25 2001 +0000
+++ b/sys/arch/sparc/dev/tctrl.c        Sun Sep 09 06:27:31 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: tctrl.c,v 1.12.4.1 2001/08/25 06:15:52 thorpej Exp $   */
+/*     $NetBSD: tctrl.c,v 1.12.4.2 2001/09/09 06:27:31 thorpej Exp $   */
 
 /*-
  * Copyright (c) 1998 The NetBSD Foundation, Inc.
@@ -663,7 +663,7 @@
                sc->sc_event_ptr %= APM_NEVENTS;
                evp->type = event_type;
                evp->index = ++tctrl_apm_evindex;
-               selwakeup(&sc->sc_rsel);
+               selnotify(&sc->sc_rsel, 0);
                return(sc->sc_flags & TCTRL_APM_CTLOPEN) ? 0 : 1;
        }
        return(1);
@@ -1201,6 +1201,55 @@
 
        return (revents);
 }
+
+static void
+filt_tctrlrdetach(struct knote *kn)
+{
+       struct tctrl_softc *sc = (void *) kn->kn_hook;
+       int s;
+
+       s = splts102();
+       SLIST_REMOVE(&sc->sc_rsel.si_klist, kn, knote, kn_selnext);
+       splx(s);
+}
+
+static void
+filt_tctrlread(struct knote *kn, long hint)
+{
+       struct tctrl_softc *sc = (void *) kn->kn_hook;
+
+       kn->kn_data = sc->sc_event_count;
+       return (kn->kn_data > 0);
+}
+
+static const struct filterops tctrlread_filtops =
+       { 1, NULL, filt_tctrlrdetach, filt_tctrlread };
+
+int
+tctrlkqfilter(dev_t dev, struct knote *kn)
+{
+       struct tctrl_softc *sc = tctrl_cd.cd_devs[TCTRL_STD_DEV];
+       int s;
+
+       switch (kn->kn_filter) {
+       case EVFILT_READ:
+               klist = &sc->sc_rsel.si_klist;
+               kn->kn_fop = &tctrlread_filtops;
+               break;
+
+       default:
+               return (1);
+       }
+
+       kn->kn_hook = (void *) sc;
+
+       s = splts102();
+       SLIST_INSERT_HEAD(klist, kn, kn_selnext);
+       splx(s);
+
+       return (0);
+}
+
 /* DO NOT SET THIS OPTION */
 #ifdef TADPOLE_BLINK
 void