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| author | rnoland <rnoland@FreeBSD.org> | 2009-03-16 08:21:51 +0000 |
|---|---|---|
| committer | rnoland <rnoland@FreeBSD.org> | 2009-03-16 08:21:51 +0000 |
| commit | 3473d8832459384bff6d45a7b9a98f7aa864ac11 (patch) | |
| tree | 83df177b3b937de3d606daf9b8a6c70ebbeb2206 /sys/dev/atkbdc/psm.c | |
| parent | 6822cdf60758a683d1cc6e1201ad95dc5172c220 (diff) | |
| download | FreeBSD-src-3473d8832459384bff6d45a7b9a98f7aa864ac11.zip FreeBSD-src-3473d8832459384bff6d45a7b9a98f7aa864ac11.tar.gz | |
Teach psm about O_ASYNC
This makes Xorg happy if you aren't using moused.
MFC after: 3 days
Diffstat (limited to 'sys/dev/atkbdc/psm.c')
| -rw-r--r-- | sys/dev/atkbdc/psm.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/sys/dev/atkbdc/psm.c b/sys/dev/atkbdc/psm.c index 338d8f2..93c9acb 100644 --- a/sys/dev/atkbdc/psm.c +++ b/sys/dev/atkbdc/psm.c @@ -70,7 +70,10 @@ __FBSDID("$FreeBSD$"); #include <sys/module.h> #include <sys/bus.h> #include <sys/conf.h> +#include <sys/filio.h> #include <sys/poll.h> +#include <sys/sigio.h> +#include <sys/signalvar.h> #include <sys/syslog.h> #include <machine/bus.h> #include <sys/rman.h> @@ -299,6 +302,7 @@ struct psm_softc { /* Driver status information */ struct cdev *bdev; int lasterr; int cmdcount; + struct sigio *async; /* Processes waiting for SIGIO */ }; static devclass_t psm_devclass; #define PSM_SOFTC(unit) \ @@ -1490,6 +1494,7 @@ psmopen(struct cdev *dev, int flag, int fmt, struct thread *td) sc->mode.level = sc->dflt_mode.level; sc->mode.protocol = sc->dflt_mode.protocol; sc->watchdog = FALSE; + sc->async = NULL; /* flush the event queue */ sc->queue.count = 0; @@ -1629,6 +1634,12 @@ psmclose(struct cdev *dev, int flag, int fmt, struct thread *td) /* remove anything left in the output buffer */ empty_aux_buffer(sc->kbdc, 10); + /* clean up and sigio requests */ + if (sc->async != NULL) { + funsetown(&sc->async); + sc->async = NULL; + } + /* close is almost always successful */ sc->state &= ~PSM_OPEN; kbdc_lock(sc->kbdc, FALSE); @@ -2190,6 +2201,15 @@ psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, break; #endif /* MOUSE_GETHWID */ + case FIONBIO: + case FIOASYNC: + break; + case FIOSETOWN: + error = fsetown(*(int *)addr, &sc->async); + break; + case FIOGETOWN: + *(int *) addr = fgetown(&sc->async); + break; default: return (ENOTTY); } @@ -3454,6 +3474,9 @@ next: wakeup(sc); } selwakeuppri(&sc->rsel, PZERO); + if (sc->async != NULL) { + pgsigio(&sc->async, SIGIO, 0); + } sc->state &= ~PSM_SOFTARMED; splx(s); } |
