#ifndef __TASK_H__
#define __TASK_H__

#ifndef _WIN32
#include <unistd.h>
#include <sys/time.h>
#endif
#include <vector>
#include <Exceptions.h>
#include <Handle.h>

#define TASK_ON_HOLD 	0
#define TASK_DONE 	1
#define TASK_BURST	2

#define W4_STICKY	1
#define W4_READING	2
#define W4_WRITING	4

class Task : public Base {
  public:
      Task();
      virtual ~Task();
    virtual String GetName();
    int Run();
    int DryRun();
    int GetState();
    void Suspend(int = -1) throw (GeneralException);
    void WaitFor(Task *);
    void WaitFor(Handle *, int = 0);
    void WaitFor(pid_t);
    void WaitFor(timeval, int = 0);
    Task * WaitedBy();
    void SetBurst();
    void Stop();
    void Restart();
    bool IsStopped();
    void RemoveFromWatches();

  protected:
    virtual int Do() throw (GeneralException);
    int current;
    
  private:
    class wbta_t {
      public:
          wbta_t(Task * ata) : ta(ata) { }
	Task * ta;
    };

    int state;
    bool stopped;
    bool suspended;
    Task * wbta;
};

#endif