thread

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// vim:set ft=cpp: -*- Mode: C++ -*-
/*
 * (c) 2004-2009 Alexander Warg <warg@os.inf.tu-dresden.de>
 *     economic rights: Technische Universität Dresden (Germany)
 * This file is part of TUD:OS and distributed under the terms of the
 * GNU Lesser General Public License 2.1.
 * Please see the COPYING-LGPL-2.1 file for details.
 */
 
#ifndef CXX_THREAD_H__
#define CXX_THREAD_H__
 
#include <l4/sys/capability>
#include <l4/sys/types.h>
 
namespace cxx {
 
  class Thread
  {
  public:
 
    enum State
    {
      Dead    = 0,
      Running = 1,
      Stopped = 2,
    };
 
    Thread(bool initiate);
    Thread(void *stack);
    Thread(void *stack, L4::Cap<L4::Thread> const &cap);
    virtual ~Thread();
    void execute() asm ("L4_Thread_execute");
    virtual void run() = 0;
    virtual void shutdown() asm ("L4_Thread_shutdown");
    void start();
    void stop();
    
    L4::Cap<L4::Thread> self() const throw()
    { return _cap; }
 
    State state() const
    { return _state; }
      
    static void start_cxx_thread(Thread *_this)
      asm ("L4_Thread_start_cxx_thread");
 
    static void kill_cxx_thread(Thread *_this)
      asm ("L4_Thread_kill_cxx_thread");
 
    static void set_pager(L4::Cap<void>const &p) throw()
    { _pager = p; }
 
  private:
    int create();
 
    L4::Cap<L4::Thread> _cap;
    State _state;
 
  protected:
    void *_stack;
 
  private:
    static L4::Cap<void> _pager;
    static L4::Cap<void> _master;
  };
  
};
 
#endif  /* CXX_THREAD_H__ */