C++ (Cpp) vcons_do_switch Examples

Example #1

File: wsdisplay_vcons.c Project: Tommmster/netbsd-avr32

static int
vcons_show_screen(void *v, void *cookie, int waitok,
    void (*cb)(void *, int, int), void *cb_arg)
{
	struct vcons_data *vd = v;
	struct vcons_screen *scr;

	scr = cookie;
	if (scr == vd->active)
		return 0;

	vd->wanted = scr;
	vd->switch_cb = cb;
	vd->switch_cb_arg = cb_arg;
#ifdef VCONS_SWITCH_ASYNC
	wakeup(&vd->start_drawing);
	return EAGAIN;
#else
	if (cb) {
		callout_schedule(&vd->switch_callout, 0);
		return EAGAIN;
	}

	vcons_do_switch(vd);
	return 0;
#endif
}

Example #2

File: wsdisplay_vcons.c Project: yazshel/netbsd-kernel

static int
vcons_show_screen(void *v, void *cookie, int waitok,
    void (*cb)(void *, int, int), void *cb_arg)
{
	struct vcons_data *vd = v;
	struct vcons_screen *scr;

	scr = cookie;
	if (scr == vd->active)
		return 0;

	vd->wanted = scr;
	vd->switch_cb = cb;
	vd->switch_cb_arg = cb_arg;
	if (cb) {
		callout_schedule(&vd->switch_callout, 0);
		return EAGAIN;
	}

	vcons_do_switch(vd);
	return 0;
}