Add NativeHandle, a refcounted C++ wrapper around a native_handle_t*

Change-Id: I232dfa2ad2e4a463a39e2e901e4097dffe278cc3

1 files changed, 35 insertions, 0 deletions

diff --git a/libutils/NativeHandle.cpp b/libutils/NativeHandle.cpp
new file mode 100644
index 000000000..6632851af
--- /dev/null
+++ b/libutils/NativeHandle.cpp
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2014 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.
+ */
+
+#include <utils/NativeHandle.h>
+#include <cutils/native_handle.h>
+
+namespace android {
+
+sp<NativeHandle> NativeHandle::create(native_handle_t* handle) {
+    return handle ? new NativeHandle(handle) : NULL;
+}
+
+NativeHandle::NativeHandle(native_handle_t* handle)
+:   mHandle(handle)
+{}
+
+NativeHandle::~NativeHandle() {
+    native_handle_close(mHandle);
+    native_handle_delete(mHandle);
+}
+
+} // namespace android