Method RecordEvent

tensorflow/stream_executor/host/host_gpu_executor.cc:224–232

}

port::Status HostExecutor::RecordEvent(Stream *stream, Event *event) {
  std::shared_ptr<absl::Notification> notification =
      AsHostEvent(event)->notification();
  AsHostStream(stream)->EnqueueTask([notification]() {
    CHECK(!notification->HasBeenNotified());
    notification->Notify();
  });
  return port::Status::OK();
}

port::Status HostExecutor::WaitForEvent(Stream *stream, Event *event) {
  std::shared_ptr<absl::Notification> notification =