2002-08-01 Dick Porter <dick@ximian.com>
[mono.git] / 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  */
9
10 #ifndef _WAPI_MONO_SPINLOCK_H_
11 #define _WAPI_MONO_SPINLOCK_H_
12
13 #include <glib.h>
14
15 #include <mono/io-layer/wapi.h>
16
17 #define MONO_SPIN_LOCK(lock)    while((InterlockedCompareExchange(&lock, 1, 0))!=0)
18 #define MONO_SPIN_UNLOCK(lock)  lock=0
19
20 #endif /* _WAPI_MONO_SPINLOCK_H_ */