/*

Thread Pool implementation for unix / linux environments

Copyright (C) 2008 Shobhit Gupta

This program is free software: you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation, either version 3 of the License, or

(at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program. If not, see <http://www.gnu.org/licenses/>.

*/

#include <pthread.h>

#include <semaphore.h>

#include <iostream>

#include <vector>

using namespace std;

/*

WorkerThread class

This class needs to be sobclassed by the user.

*/

class WorkerThread{

public:

int id;

unsigned virtual executeThis() { return 0; }

WorkerThread(int id) : id(id) {}

virtual ~WorkerThread(){}

};

/*

ThreadPool class manages all the ThreadPool related activities. This includes keeping track of idle threads and ynchronizations between all threads.

*/

class ThreadPool{

public:

ThreadPool();

ThreadPool(int maxThreadsTemp);

virtual ~ThreadPool();

void destroyPool(int maxPollSecs);

bool assignWork(WorkerThread *worker);

void initializeThreads();

};