Method SetWatcher

tensorflow/core/framework/op.cc:142–150

}

Status OpRegistry::SetWatcher(const Watcher& watcher) {
  mutex_lock lock(mu_);
  if (watcher_ && watcher) {
    return errors::AlreadyExists(
        "Cannot over-write a valid watcher with another.");
  }
  watcher_ = watcher;
  return Status::OK();
}

void OpRegistry::Export(bool include_internal, OpList* ops) const {
  mutex_lock lock(mu_);