mono/io-layer/mono-spinlock.h

   1 /*
   2  * mono-spinlock.h:  Lightweight spinlocks, for internal use only
   3  *
   4  * Author:
   5  *      Dick Porter (dick@ximian.com)
   6  *
   7  * (C) 2002 Ximian, Inc.
   8  * Copyright (c) 2002-2006 Novell, Inc.
   9  */
  10
  11 #ifndef _WAPI_MONO_SPINLOCK_H_
  12 #define _WAPI_MONO_SPINLOCK_H_
  13
  14 #include <glib.h>
  15
  16 #include <mono/io-layer/wapi.h>
  17
  18 #define MONO_SPIN_LOCK(lock)    while((InterlockedCompareExchange((gint32 *)&lock, 1, 0))!=0)
  19 #define MONO_SPIN_UNLOCK(lock)  lock=0
  20
  21 #endif /* _WAPI_MONO_SPINLOCK_H_ */