C++ (Cpp) wsevent_read Examples

Example #1

File: wsmouse.c Project: eyberg/rumpkernel-netbsd-src

int
wsmouseread(dev_t dev, struct uio *uio, int flags)
{
	struct wsmouse_softc *sc =
	    device_lookup_private(&wsmouse_cd, minor(dev));
	int error;

	if (sc->sc_dying)
		return (EIO);

#ifdef DIAGNOSTIC
	if (sc->sc_base.me_evp == NULL) {
		printf("wsmouseread: evp == NULL\n");
		return (EINVAL);
	}
#endif

	sc->sc_refcnt++;
	error = wsevent_read(sc->sc_base.me_evp, uio, flags);
	if (--sc->sc_refcnt < 0) {
		wakeup(sc);
		error = EIO;
	}
	return (error);
}

Example #2

File: wskbd.c Project: appleorange1/bitrig

int
wskbdread(dev_t dev, struct uio *uio, int flags)
{
	struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
	int error;

	if (sc->sc_dying)
		return (EIO);

#ifdef DIAGNOSTIC
	if (sc->sc_base.me_evp == NULL) {
		printf("wskbdread: evp == NULL\n");
		return (EINVAL);
	}
#endif

	sc->sc_refcnt++;
	error = wsevent_read(&sc->sc_base.me_evar, uio, flags);
	if (--sc->sc_refcnt < 0) {
		wakeup(sc);
		error = EIO;
	}
	return (error);
}