58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
/* winbase.h
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Copyright 2001, 2002, 2003, 2004, 2005, 2008, 2009, 2012 Red Hat, Inc.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#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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ilockcmpexch (volatile LONG *t, LONG v, LONG c)
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{
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return
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({
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register LONG ret __asm ("%eax");
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__asm __volatile ("lock cmpxchgl %2, %1"
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: "=a" (ret), "=m" (*t)
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: "r" (v), "m" (*t), "0" (c)
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: "memory");
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ret;
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});
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}
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#undef InterlockedCompareExchange
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#define InterlockedCompareExchange ilockcmpexch
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#undef InterlockedCompareExchangePointer
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#ifdef __x86_64__
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extern __inline__ LONGLONG
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ilockcmpexch64 (volatile LONGLONG *t, LONGLONG v, LONGLONG c)
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{
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return
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({
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register LONGLONG ret __asm ("%rax");
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__asm __volatile ("lock cmpxchgq %2, %1"
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: "=a" (ret), "=m" (*t)
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: "r" (v), "m" (*t), "0" (c)
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: "memory");
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ret;
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});
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}
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#define InterlockedCompareExchange64 ilockcmpexch64
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#define InterlockedCompareExchangePointer(d,e,c) \
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(PVOID)InterlockedCompareExchange64((LONGLONG volatile *)(d),(LONGLONG)(e),(LONGLONG)(c))
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#else
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#define InterlockedCompareExchangePointer(d,e,c) \
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(PVOID)InterlockedCompareExchange((LONG volatile *)(d),(LONG)(e),(LONG)(c))
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#endif /* !__x86_64 */
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#endif /*_WINBASE2_H*/
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