diff --git a/services/oboeservice/AAudioThread.h b/services/oboeservice/AAudioThread.h
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+++ b/services/oboeservice/AAudioThread.h
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+/*
+ * Copyright (C) 2016 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 AAUDIO_THREAD_H
+#define AAUDIO_THREAD_H
+
+#include <atomic>
+#include <pthread.h>
+
+#include <aaudio/AAudioDefinitions.h>
+
+namespace aaudio {
+
+class Runnable {
+public:
+    Runnable() {};
+    virtual ~Runnable() = default;
+
+    virtual void run() {}
+};
+
+/**
+ * Abstraction for a host thread.
+ */
+class AAudioThread
+{
+public:
+    AAudioThread();
+    AAudioThread(Runnable *runnable);
+    virtual ~AAudioThread() = default;
+
+    /**
+     * Start the thread running.
+     */
+    aaudio_result_t start(Runnable *runnable = nullptr);
+
+    /**
+     * Join the thread.
+     * The caller must somehow tell the thread to exit before calling join().
+     */
+    aaudio_result_t stop();
+
+    /**
+     * This will get called in the thread.
+     * Override this or pass a Runnable to start().
+     */
+    virtual void run() {};
+
+    void dispatch(); // called internally from 'C' thread wrapper
+
+private:
+    Runnable*                mRunnable = nullptr; // TODO make atomic with memory barrier?
+    bool                     mHasThread = false;
+    pthread_t                mThread; // initialized in constructor
+
+};
+
+} /* namespace aaudio */
+
+#endif ///AAUDIO_THREAD_H