Thread.h

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/*
 * Copyright (c) 2012 SCHUNK GmbH & Co. KG
 * Copyright (c) 2017 Fraunhofer Institute for Manufacturing Engineering and Automation (IPA)
 *
 * 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 UTIL_THREAD_H
#define UTIL_THREAD_H

// ---- local includes ------------------------------------------------------ ;

#include "../Util/Message.h"

// ---- global includes ----------------------------------------------------- ;

// ---- constants ----------------------------------------------------------- ;

// ---- typedefs ------------------------------------------------------------ ;

// ---- class definition ---------------------------------------------------- ;

class CThread : public CMessage
{

private:

        // ---- private data ---------------------------------------------------- ;

        // ---- private auxiliary functions -------------------------------------- ;

protected:
        
        // ---- protected data -------------------------------------------------- ;

                unsigned int m_uiStackSize;
                char* m_pcStack;
#if defined (_WIN32)
                HANDLE m_hThreadHandle;
#endif
#if defined(__LINUX__)
                pthread_t m_hThreadHandle;
#endif
#if defined (__QNX__)
                void* m_hThreadHandle;
#endif
                bool m_bThreadRunFlag;
                bool m_bThreadStopFlag;

        // ---- protected auxiliary functions ------------------------------------- ;

public:

        // ---- public data ------------------------------------------------------- ;

                void* m_pvThreadObject;
                void (*m_pfuThreadFunction)(CThread*);

                // ---- constructors / destructor ----------------------------------------- ;

                // default constructor
                CThread();
                // copy constructor
                CThread(const CThread& clThread);
                // destructor
                ~CThread(void);

        // ---- operators --------------------------------------------------------- ;
        
                // assignment operator
                CThread& operator=(const CThread& clThread);

        // ---- query functions --------------------------------------------------- ;

        // ---- modify functions -------------------------------------------------- ;
        
                void setThreadStackSize(unsigned int uiSize);

        // ---- I/O functions ----------------------------------------------------- ;

        // ---- exec functions ---------------------------------------------------- ;

                int createThread(void (*fuThreadFunction)(CThread*), void* pThreadObject);
                
                void exitThread(); 

                void terminateThread();

                bool checkThreadRun();

                bool checkThreadStop();
};

#endif