static status_t
usb_hid_free(void *cookie)
{
TRACE("free(%p)\n", cookie);
mutex_lock(&sDriverLock);
HIDDevice *device = ((ProtocolHandler *)cookie)->Device();
if (device->IsOpen()) {
// another handler of this device is still open so we can't free it
} else if (device->IsRemoved()) {
// the parent device is removed already and none of its handlers are
// open anymore so we can free it here
for (uint32 i = 0;; i++) {
ProtocolHandler *handler = device->ProtocolHandlerAt(i);
if (handler == NULL)
break;
gDeviceList->RemoveDevice(NULL, handler);
}
delete device;
}
mutex_unlock(&sDriverLock);
return B_OK;
}
status_t
usb_hid_device_removed(void *cookie)
{
mutex_lock(&sDriverLock);
int32 parentCookie = (int32)cookie;
TRACE("device_removed(%ld)\n", parentCookie);
for (int32 i = 0; i < gDeviceList->CountDevices(); i++) {
ProtocolHandler *handler = (ProtocolHandler *)gDeviceList->DeviceAt(i);
if (!handler)
continue;
HIDDevice *device = handler->Device();
if (device->ParentCookie() != parentCookie)
continue;
// this handler's device belongs to the one removed
if (device->IsOpen()) {
// the device and it's handlers will be deleted in the free hook
device->Removed();
break;
}
// remove all the handlers
for (uint32 i = 0;; i++) {
handler = device->ProtocolHandlerAt(i);
if (handler == NULL)
break;
gDeviceList->RemoveDevice(NULL, handler);
}
delete device;
break;
}
mutex_unlock(&sDriverLock);
return B_OK;
}
static status_t
usb_hid_free(void *_cookie)
{
device_cookie *cookie = (device_cookie *)_cookie;
TRACE("free(%p)\n", cookie);
mutex_lock(&sDriverLock);
HIDDevice *device = cookie->handler->Device();
if (device->IsOpen()) {
// another handler of this device is still open so we can't free it
} else if (device->IsRemoved()) {
// the parent device is removed already and none of its handlers are
// open anymore so we can free it here
delete device;
}
mutex_unlock(&sDriverLock);
delete cookie;
return B_OK;
}
