diff --git a/libs/binder/file.h b/libs/binder/file.h
new file mode 100644
index 0000000..bcbfa31
--- /dev/null
+++ b/libs/binder/file.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#ifndef BINDER_NO_LIBBASE
+
+#include <android-base/file.h>
+
+namespace android::binder {
+using android::base::ReadFully;
+using android::base::WriteFully;
+} // namespace android::binder
+
+#else // BINDER_NO_LIBBASE
+
+#include <binder/unique_fd.h>
+
+#include <string_view>
+
+namespace android::binder {
+
+bool ReadFully(borrowed_fd fd, void* data, size_t byte_count);
+bool WriteFully(borrowed_fd fd, const void* data, size_t byte_count);
+
+} // namespace android::binder
+
+#endif // BINDER_NO_LIBBASE