cpu_lock.h

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// AUTOMATICALLY GENERATED -- DO NOT EDIT!         -*- c++ -*-

#ifndef cpu_lock_h
#define cpu_lock_h

#include "types.h"

//
// INTERFACE definition follows 
//


class Cpu_lock
{
public:
  typedef Mword Status;

  inline Cpu_lock();

  Status test() const;

  void lock();

  void clear();

  Status test_and_set();

  void set(Status state);

private:
  Cpu_lock (const Cpu_lock&);

};

extern Cpu_lock cpu_lock;

//
// IMPLEMENTATION includes follow (for use by inline functions)
//

#include "processor.h"

//
// IMPLEMENTATION of inline functions (and needed classes)
//




//NEEDS [Cpu_lock::lock, Cpu_lock::test]
inline Cpu_lock::Status Cpu_lock::test_and_set()
{
  Status ret = test();
  lock();
  return ret;
}



//NEEDS [Cpu_lock::lock, Cpu_lock::clear]
inline void Cpu_lock::set(Cpu_lock::Status state)
{
  if (state)
    lock();
  else
    clear();
}



inline Cpu_lock::Cpu_lock()
{}



inline void Cpu_lock::lock()
{
  Proc::cli();
}



inline void
Cpu_lock::clear()
{
  Proc::sti();
}



inline Cpu_lock::Status Cpu_lock::test() const
{
  return ! Proc::interrupts();
}

#endif // cpu_lock_h

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