C++ (Cpp) fwmem_close Examples

Example #1

File: fwdev.c Project: Alkzndr/freebsd

static int
fw_close(struct cdev *dev, int flags, int fmt, fw_proc *td)
{
	struct firewire_comm *fc;
	struct fw_drv1 *d;
	struct fw_xfer *xfer;
	struct fw_bind *fwb;
	int err = 0;

	if (DEV_FWMEM(dev))
		return fwmem_close(dev, flags, fmt, td);

	d = dev->si_drv1;
	fc = d->fc;

	/* remove binding */
	for (fwb = STAILQ_FIRST(&d->binds); fwb != NULL;
	    fwb = STAILQ_FIRST(&d->binds)) {
		fw_bindremove(fc, fwb);
		STAILQ_REMOVE_HEAD(&d->binds, chlist);
		fw_xferlist_remove(&fwb->xferlist);
		free(fwb, M_FW);
	}
	if (d->ir != NULL) {
		struct fw_xferq *ir = d->ir;

		if ((ir->flag & FWXFERQ_OPEN) == 0)
			return (EINVAL);
		if (ir->flag & FWXFERQ_RUNNING) {
			ir->flag &= ~FWXFERQ_RUNNING;
			fc->irx_disable(fc, ir->dmach);
		}
		/* free extbuf */
		fwdev_freebuf(ir);
		/* drain receiving buffer */
		for (xfer = STAILQ_FIRST(&ir->q);
		    xfer != NULL; xfer = STAILQ_FIRST(&ir->q)) {
			ir->queued--;
			STAILQ_REMOVE_HEAD(&ir->q, link);

			xfer->resp = 0;
			fw_xfer_done(xfer);
		}
		ir->flag &= ~(FWXFERQ_OPEN | FWXFERQ_MODEMASK |
		    FWXFERQ_CHTAGMASK);
		d->ir = NULL;

	}
	if (d->it != NULL) {
		struct fw_xferq *it = d->it;

		if ((it->flag & FWXFERQ_OPEN) == 0)
			return (EINVAL);
		if (it->flag & FWXFERQ_RUNNING) {
			it->flag &= ~FWXFERQ_RUNNING;
			fc->itx_disable(fc, it->dmach);
		}
		/* free extbuf */
		fwdev_freebuf(it);
		it->flag &= ~(FWXFERQ_OPEN |
		    FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK);
		d->it = NULL;
	}
	free(dev->si_drv1, M_FW);
	dev->si_drv1 = NULL;

	return err;
}

Example #2

File: fwdev.c Project: Gwenio/DragonFlyBSD

static int
fw_close (struct dev_close_args *ap)
{
	cdev_t dev = ap->a_head.a_dev;
	struct firewire_softc *sc;
	struct firewire_comm *fc;
	struct fw_drv1 *d;
	int unit = DEV2UNIT(dev);
	struct fw_xfer *xfer;
	struct fw_bind *fwb;
	int err = 0;

	if (DEV_FWMEM(dev))
		return fwmem_close(ap);

	sc = devclass_get_softc(firewire_devclass, unit);
	fc = sc->fc;
	d = (struct fw_drv1 *)dev->si_drv1;

	if (d->ir != NULL) {
		struct fw_xferq *ir = d->ir;

		if ((ir->flag & FWXFERQ_OPEN) == 0)
			return (EINVAL);
		if (ir->flag & FWXFERQ_RUNNING) {
			ir->flag &= ~FWXFERQ_RUNNING;
			fc->irx_disable(fc, ir->dmach);
		}
		/* free extbuf */
		fwdev_freebuf(ir);
		/* drain receiving buffer */
		for (xfer = STAILQ_FIRST(&ir->q);
			xfer != NULL; xfer = STAILQ_FIRST(&ir->q)) {
			ir->queued --;
			STAILQ_REMOVE_HEAD(&ir->q, link);

			xfer->resp = 0;
			fw_xfer_done(xfer);
		}
		/* remove binding */
		for (fwb = STAILQ_FIRST(&ir->binds); fwb != NULL;
				fwb = STAILQ_FIRST(&ir->binds)) {
			STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist);
			STAILQ_REMOVE_HEAD(&ir->binds, chlist);
			kfree(fwb, M_FW);
		}
		ir->flag &= ~(FWXFERQ_OPEN |
			FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK);
		d->ir = NULL;

	}
	if (d->it != NULL) {
		struct fw_xferq *it = d->it;

		if ((it->flag & FWXFERQ_OPEN) == 0)
			return (EINVAL);
		if (it->flag & FWXFERQ_RUNNING) {
			it->flag &= ~FWXFERQ_RUNNING;
			fc->itx_disable(fc, it->dmach);
		}
		/* free extbuf */
		fwdev_freebuf(it);
		it->flag &= ~(FWXFERQ_OPEN |
			FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK);
		d->it = NULL;
	}
	kfree(dev->si_drv1, M_FW);
	dev->si_drv1 = NULL;

	return err;
}