gxThread.h

Go to the documentation of this file.

/*  Copyright (C) 2004  Guido Simone
 *
 *  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 2 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, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef GXLIB_GXTHREADRUNNER_H
#define GXLIB_GXTHREADRUNNER_H

#include "../gx.h"
#include "gxThreadSafeObject.h"

class gxThreadRunnable
{
public:
   virtual void threadMain() = 0;

   virtual void onStopThreadRequest() = 0;
};


class gxThread : public gxThreadSafeObject
{
public:

   enum priority_t
   {
      PRIORITY_IDLE,
      PRIORITY_LOWEST,
      PRIORITY_BELOW_NORMAL,
      PRIORITY_NORMAL,
      PRIORITY_ABOVE_NORMAL,
      PRIORITY_HIGHEST,
      PRIORITY_TIME_CRITICAL,
   };

   enum states_t
   {
      STATE_STOPPED = 0,
      STATE_STARTING = 1,
      STATE_STARTED = 2,
      STATE_STOPPING = 3
   };

   gxThread( gxThreadRunnable * runnable, priority_t priority = PRIORITY_NORMAL );

   virtual ~gxThread();

   void start( bool wait = true );

   void stop();

   virtual void run();

   virtual void onStopThreadRequest();

   bool isStopping();

   states_t getState();

   static void sleep( long milliseconds );

private:
   static unsigned int __stdcall threadFunc( void * );
   gxThreadRunnable * m_runnable;
   unsigned int m_threadid;
   void * m_hThread;

   states_t   m_state;
   priority_t m_priority;

   void setState( states_t newState );

};
#endif

---