vuThread.h

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/*  Modified March 2002
    By Christopher Steinbach
    Modified to make the threads detachable so that
    my program will stop crashing on my animations...
*/

#ifndef _VUTHREAD_H_
#define _VUTHREAD_H_

#include <stddef.h>

/* \todo implement vuThread and vuMutex for windows.

   information on thread wrapper classes for windows
   http://www.codeguru.com/system/OOThreadWrapper.html
   http://www.codeproject.com/threads/cthread.asp?print=true

*/

class vuLock;

class vuMutex
{
    friend class vuLock;
public:
    vuMutex(bool recursive=false);
    ~vuMutex();

    void lock();
    bool trylock();
    void unlock();

private:
    void * mutex;
};

class vuLock {
public:
vuLock(vuMutex &m) : lmutex(&m) {
        lmutex->lock();
    }
    ~vuLock() {
        lmutex->unlock();
    }
private:
    vuMutex *lmutex;
};

class vuThread
{
public:
    virtual ~vuThread() {};

    bool startThread(int whatsup, void* data=NULL);

//  void* retStartThread (int whatsup);

    virtual void run(int whatsup, void* data) = 0;

//  virtual void* retrun (int whatsup) {};

    void stopThread();

    static void usleep(unsigned long ms);

protected:

private:

#ifdef WIN32
    friend void _kickoff(void *ptr);
#else
    friend void* _kickoff(void *ptr);
#endif
    //friend void* _ret_kickoff(void *ptr);

    vuMutex m_WhatsupMutex;

    int     m_Whatsup;
    void*         m_AdditionalData;

};

#endif