Method Close

be/src/runtime/io/data-cache.cc:212–225

Close the underlying file so it cannot be read or written to anymore.

  // Close the underlying file so it cannot be read or written to anymore.
  void Close() {
    // Explicitly hold the lock in write mode to block all readers. This ensures that
    // setting 'file_' to NULL and 'allow_append_' to false below is atomic.
    std::unique_lock<percpu_rwlock> lock(lock_);
    // If the file is already closed, nothing to do.
    if (!file_) return;
    kudu::Status status = file_->Close();
    if (!status.ok()) {
      LOG(WARNING) << Substitute("Failed to close cache file $0: $1", path_,
          status.ToString());
    }
    file_.reset();
    allow_append_ = false;
  }

  // Close the underlying file and delete it from the filesystem.
  void DeleteFile() {