1 /* Copyright (c) 2011-2013,2015 The Linux Foundation. All rights reserved. 2 * 3 * Redistribution and use in source and binary forms, with or without 4 * modification, are permitted provided that the following conditions are 5 * met: 6 * * Redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer. 8 * * Redistributions in binary form must reproduce the above 9 * copyright notice, this list of conditions and the following 10 * disclaimer in the documentation and/or other materials provided 11 * with the distribution. 12 * * Neither the name of The Linux Foundation, nor the names of its 13 * contributors may be used to endorse or promote products derived 14 * from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 */ 29 #ifndef __MSG_TASK__ 30 #define __MSG_TASK__ 31 32 #include <LocThread.h> 33 34 struct LocMsg { LocMsgLocMsg35 inline LocMsg() {} ~LocMsgLocMsg36 inline virtual ~LocMsg() {} 37 virtual void proc() const = 0; logLocMsg38 inline virtual void log() const {} 39 }; 40 41 class MsgTask : public LocRunnable { 42 const void* mQ; 43 LocThread* mThread; 44 friend class LocThreadDelegate; 45 protected: 46 virtual ~MsgTask(); 47 public: 48 MsgTask(LocThread::tCreate tCreator, const char* threadName = NULL, bool joinable = true); 49 MsgTask(const char* threadName = NULL, bool joinable = true); 50 // this obj will be deleted once thread is deleted 51 void destroy(); 52 void sendMsg(const LocMsg* msg) const; 53 // Overrides of LocRunnable methods 54 // This method will be repeated called until it returns false; or 55 // until thread is stopped. 56 virtual bool run(); 57 58 // The method to be run before thread loop (conditionally repeatedly) 59 // calls run() 60 virtual void prerun(); 61 62 // The method to be run after thread loop (conditionally repeatedly) 63 // calls run() postrun()64 inline virtual void postrun() {} 65 }; 66 67 #endif //__MSG_TASK__ 68