1 files changed, 36 insertions, 0 deletions
diff --git a/utils/fd.h b/utils/fd.h
new file mode 100644
index 0000000..6bfd0fa
--- /dev/null
+++ b/utils/fd.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2015 - 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
+
+#include <fcntl.h>
+#include <unistd.h>
+
+#include <memory>
+#include <utility>
+
+namespace android {
+
+using UniqueFd = std::unique_ptr<int, void (*)(const int *)>;
+using SharedFd = std::shared_ptr<int>;
+
+auto MakeUniqueFd(int fd) -> UniqueFd;
+
+auto MakeSharedFd(int fd) -> SharedFd;
+
+auto DupFd(SharedFd const &fd) -> int;
+
+}  // namespace android