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diff --git a/gps/utils/MsgTask.h b/gps/utils/MsgTask.h
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+/* Copyright (c) 2011-2013,2015 The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials provided
+ *       with the distribution.
+ *     * Neither the name of The Linux Foundation, nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef __MSG_TASK__
+#define __MSG_TASK__
+
+#include <LocThread.h>
+
+struct LocMsg {
+    inline LocMsg() {}
+    inline virtual ~LocMsg() {}
+    virtual void proc() const = 0;
+    inline virtual void log() const {}
+};
+
+class MsgTask : public LocRunnable {
+    const void* mQ;
+    LocThread* mThread;
+    friend class LocThreadDelegate;
+protected:
+    virtual ~MsgTask();
+public:
+    MsgTask(LocThread::tCreate tCreator, const char* threadName = NULL, bool joinable = true);
+    MsgTask(const char* threadName = NULL, bool joinable = true);
+    // this obj will be deleted once thread is deleted
+    void destroy();
+    void sendMsg(const LocMsg* msg) const;
+    // Overrides of LocRunnable methods
+    // This method will be repeated called until it returns false; or
+    // until thread is stopped.
+    virtual bool run();
+
+    // The method to be run before thread loop (conditionally repeatedly)
+    // calls run()
+    virtual void prerun();
+
+    // The method to be run after thread loop (conditionally repeatedly)
+    // calls run()
+    inline virtual void postrun() {}
+};
+
+#endif //__MSG_TASK__