Merge "Expose display manager client event fd"

  delete client;

}

int dvrDisplayManagerClientGetEventFd(DvrDisplayManagerClient* client) {

  return client->client->event_fd();

}

int dvrDisplayManagerClientTranslateEpollEventMask(

    DvrDisplayManagerClient* client, int in_events, int* out_events) {

  auto result = client->client->GetChannel()->GetEventMask(in_events);

  if (!result) {

    return -EIO;

  }

  *out_events = result.get();

  return 0;

}

int dvrDisplayManagerClientGetSurfaceList(

    DvrDisplayManagerClient* client,

    DvrDisplayManagerClientSurfaceList** surface_list) {

void dvrDisplayManagerClientDestroy(DvrDisplayManagerClient* client);

// Return an event fd for checking if there was an event on the server

// Note that the only event which will be flagged is POLLIN. You must use

// dvrDisplayManagerClientTranslateEpollEventMask in order to get the real

// event flags.

// @return the fd

int dvrDisplayManagerClientGetEventFd(DvrDisplayManagerClient* client);

// Once you have received an epoll event, you must translate it to its true

// flags. This is a workaround for working with UDS.

// @param in_events pass in the epoll revents that were initially returned

// @param on success, this value will be overwritten with the true epoll values

// @return 0 on success, non-zero otherwise

int dvrDisplayManagerClientTranslateEpollEventMask(

    DvrDisplayManagerClient* client, int in_events, int* out_events);

// If successful, populates |surface_list| with a list of application

// surfaces the display is currently using.

//

  int GetSurfaceBuffers(

      int surface_id, std::vector<std::unique_ptr<BufferConsumer>>* consumers);

  using Client::event_fd;

  using Client::GetChannel;

 private:

  friend BASE;