Merge "Exporting C++ headers from system/core" am: 812b7d5d52 am: f484dd3401 am: a252f11da3

am: 5a8f555e49

Change-Id: Id449aadc3b9e6e263d351ce031b1f7f7bb4672b8

1 files changed, 56 insertions, 0 deletions

diff --git a/libutils/include/utils/NativeHandle.h b/libutils/include/utils/NativeHandle.h
new file mode 100644
index 000000000..b82516879
--- /dev/null
+++ b/libutils/include/utils/NativeHandle.h
@@ -0,0 +1,56 @@
+/*
+ * 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.
+ */
+
+#ifndef ANDROID_NATIVE_HANDLE_H
+#define ANDROID_NATIVE_HANDLE_H
+
+#include <utils/RefBase.h>
+#include <utils/StrongPointer.h>
+
+typedef struct native_handle native_handle_t;
+
+namespace android {
+
+class NativeHandle: public LightRefBase<NativeHandle> {
+public:
+    // Create a refcounted wrapper around a native_handle_t, and declare
+    // whether the wrapper owns the handle (so that it should clean up the
+    // handle upon destruction) or not.
+    // If handle is NULL, no NativeHandle will be created.
+    static sp<NativeHandle> create(native_handle_t* handle, bool ownsHandle);
+
+    const native_handle_t* handle() const {
+        return mHandle;
+    }
+
+private:
+    // for access to the destructor
+    friend class LightRefBase<NativeHandle>;
+
+    NativeHandle(native_handle_t* handle, bool ownsHandle);
+    virtual ~NativeHandle();
+
+    native_handle_t* mHandle;
+    bool mOwnsHandle;
+
+    // non-copyable
+    NativeHandle(const NativeHandle&);
+    NativeHandle& operator=(const NativeHandle&);
+};
+
+} // namespace android
+
+#endif // ANDROID_NATIVE_HANDLE_H