int
getUinputDevice (void) {
static int uinputDevice = -1;
#ifdef HAVE_LINUX_UINPUT_H
if (uinputDevice == -1) {
const char *name;
{
static int status = 0;
int wait = !status;
if (!installKernelModule("uinput", &status)) wait = 0;
if (wait) approximateDelay(500);
}
{
static const char *const names[] = {"uinput", "input/uinput", NULL};
name = resolveDeviceName(names, "uinput");
}
if (name) {
int device = openCharacterDevice(name, O_WRONLY, 10, 223);
if (device != -1) {
struct uinput_user_dev description;
logMessage(LOG_DEBUG, "uinput opened: %s fd=%d", name, device);
memset(&description, 0, sizeof(description));
strcpy(description.name, "brltty");
if (write(device, &description, sizeof(description)) != -1) {
if (enableUinputKeyEvents(device)) {
if (enableUinputAutorepeat(device)) {
if (ioctl(device, UI_DEV_CREATE) != -1) {
uinputDevice = device;
} else {
logSystemError("ioctl[UI_DEV_CREATE]");
}
}
}
} else {
logSystemError("write(struct uinput_user_dev)");
}
if (device != uinputDevice) {
close(device);
logMessage(LOG_DEBUG, "uinput closed");
}
} else {
logMessage(LOG_DEBUG, "cannot open uinput");
}
}
}
#endif /* HAVE_LINUX_UINPUT_H */
return uinputDevice;
}
static void
enableBeeps (void) {
static unsigned char status = 0;
installKernelModule("pcspkr", &status);
}