60 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			60 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
#include_next "winbase.h"
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#ifndef _WINBASE2_H
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#define _WINBASE2_H
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extern __inline__ long
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ilockincr (long *m)
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{
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  register int __res;
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  __asm__ __volatile__ ("\n\
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	movl	$1,%0\n\
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	lock	xadd %0,(%1)\n\
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	inc	%0\n\
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	": "=a" (__res), "=q" (m): "1" (m));
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  return __res;
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}
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extern __inline__ long
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ilockdecr (long *m)
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{
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  register int __res;
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  __asm__ __volatile__ ("\n\
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	movl	$0xffffffff,%0\n\
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	lock	xadd %0,(%1)\n\
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	dec	%0\n\
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	": "=a" (__res), "=q" (m): "1" (m));
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  return __res;
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}
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extern __inline__ long
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ilockexch (long *t, long v)
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{
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  register int __res;
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  __asm__ __volatile__ ("\n\
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1:	lock	cmpxchgl %3,(%1)\n\
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	jne 1b\n\
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 	": "=a" (__res), "=q" (t): "1" (t), "q" (v), "0" (*t));
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  return __res;
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}
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extern __inline__ long
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ilockcmpexch (long *t, long v, long c)
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{
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  register int __res;
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  __asm__ __volatile__ ("\n\
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	lock cmpxchgl %3,(%1)\n\
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	": "=a" (__res), "=q" (t) : "1" (t), "q" (v), "0" (c));
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  return __res;
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}
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#undef InterlockedIncrement
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#define InterlockedIncrement ilockincr
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#undef InterlockedDecrement
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#define InterlockedDecrement ilockdecr
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#undef InterlockedExchange
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#define InterlockedExchange ilockexch
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#undef InterlockedCompareExchange
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#define InterlockedCompareExchange ilockcmpexch
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#endif /*_WINBASE2_H*/
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