threads.h

Go to the documentation of this file.

//==================================================================
// File                 : threads.h
// Author               : rsagalyn
// Date                 : Aug 25, 2013
// Description  : Abstract thread encapsulation class
//==================================================================
#ifndef THREADS_H
#define THREADS_H

#include <cstring>
#include <iostream>
#include <pthread.h>
#include "tsp.h"

#pragma comment(lib,"pthreadVC2.lib")   

using namespace std;

// Abstract Thread class
class Thread
{
private:
        // Internally track thread ids
        pthread_t _id;

        // Serves as global function for pthraed_create
        // Internally calls member function run
        static void *exec(void *thr);

        // Prevent copying
        Thread(const Thread& arg);

        // Prevent assignment
        Thread& operator=(const Thread& rhs);

protected:
        // Pure virtual function, to implement with code thread should run
        virtual void run() = 0;

public:
        // Constructor
        Thread() {
                mytsp = NULL;
                //_id = 0;
                my_id = start_node = -1;
        };

        // Destructor
        virtual ~Thread() {};

        // Starts the internal thread
        void start();

        // Wait for internal thread to exit
        void join();

        // Get thread id of internal thread
        //long get_tid() {return (long)_id;}

        // Index of node to start touring at
        int start_node;

        // Pointer to TSP object
        TSP *mytsp;

        // Assigned ID (for tracking purposes)
        int my_id;
};


#endif