resources/spinlock.h

   1 /* Quarn OS
   2  *
   3  * Spinlock class
   4  *
   5  * Copyright (C) 2008 Pawel Dziepak
   6  *
   7  * Class that implements access control strategy known as spinlock.
   8  */
   9
  10 #ifndef _SPINLOCK_H_
  11 #define _SPINLOCK_H_
  12
  13 #include "manes/access_control.h"
  14
  15 class spinlock : public access_control {
  16 private:
  17         volatile bool locked;
  18 public:
  19         spinlock();
  20         ~spinlock();
  21
  22         bool try_lock();
  23
  24         void lock(lock_type);
  25         void unlock();
  26 };
  27
  28 #endif