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      1 /* Copyright (c) 2011-2013, 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 <stdbool.h>
     33 #include <ctype.h>
     34 #include <string.h>
     35 #include <pthread.h>
     36 
     37 namespace loc_core {
     38 
     39 struct LocMsg {
     40     inline LocMsg() {}
     41     inline virtual ~LocMsg() {}
     42     virtual void proc() const = 0;
     43     inline virtual void log() const {}
     44 };
     45 
     46 class MsgTask {
     47 public:
     48     typedef void* (*tStart)(void*);
     49     typedef pthread_t (*tCreate)(const char* name, tStart start, void* arg);
     50     typedef int (*tAssociate)();
     51     MsgTask(tCreate tCreator, const char* threadName);
     52     MsgTask(tAssociate tAssociator, const char* threadName);
     53     ~MsgTask();
     54     void sendMsg(const LocMsg* msg) const;
     55     void associate(tAssociate tAssociator) const;
     56 
     57 private:
     58     const void* mQ;
     59     tAssociate mAssociator;
     60     MsgTask(const void* q, tAssociate associator);
     61     static void* loopMain(void* copy);
     62     void createPThread(const char* name);
     63 };
     64 
     65 } // namespace loc_core
     66 
     67 #endif //__MSG_TASK__
     68