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* winbase.h: Throughout use LONG rather than long type to prepare for 

64 bit.
	(InterlockedCompareExchangePointer): Define.
This commit is contained in:
Corinna Vinschen 2012-07-06 13:51:26 +00:00
parent 6f94526c1c
commit f3a43e7ef0
2 changed files with 26 additions and 15 deletions
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6
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,9 @@
2012-07-06 Corinna Vinschen <corinna@vinschen.de>
* winbase.h: Throughout use LONG rather than long type to prepare for
64 bit.
(InterlockedCompareExchangePointer): Define.
2012-07-06 Corinna Vinschen <corinna@vinschen.de>
* fhandler_registry.cc (RegOpenUserClassesRoot): Only define when

35
winsup/cygwin/winbase.h
View File

@ -14,10 +14,10 @@ details. */
/* For some unknown reason, InterlockedAdd is only supported on Itanium
when using the Windows headers. Fortunately we're not restricted to the
Windows headers :) */
extern __inline__ long
ilockadd (volatile long *m, long value)
extern __inline__ LONG
ilockadd (volatile LONG *m, LONG value)
{
register int __res;
register LONG __res;
__asm__ __volatile__ ("\n\
movl %3,%0\n\
lock xadd %0,%1\n\
@ -26,10 +26,10 @@ ilockadd (volatile long *m, long value)
return __res;
}
extern __inline__ long
ilockincr (volatile long *m)
extern __inline__ LONG
ilockincr (volatile LONG *m)
{
register int __res;
register LONG __res;
__asm__ __volatile__ ("\n\
movl $1,%0\n\
lock xadd %0,%1\n\
@ -38,10 +38,10 @@ ilockincr (volatile long *m)
return __res;
}
extern __inline__ long
ilockdecr (volatile long *m)
extern __inline__ LONG
ilockdecr (volatile LONG *m)
{
register int __res;
register LONG __res;
__asm__ __volatile__ ("\n\
movl $0xffffffff,%0\n\
lock xadd %0,%1\n\
@ -50,12 +50,12 @@ ilockdecr (volatile long *m)
return __res;
}
extern __inline__ long
ilockexch (volatile long *t, long v)
extern __inline__ LONG
ilockexch (volatile LONG *t, long v)
{
return
({
register long ret __asm ("%eax");
register LONG ret __asm ("%eax");
__asm __volatile ("\n"
"1: lock cmpxchgl %2, %1\n"
" jne 1b\n"
@ -66,12 +66,12 @@ ilockexch (volatile long *t, long v)
});
}
extern __inline__ long
ilockcmpexch (volatile long *t, long v, long c)
extern __inline__ LONG
ilockcmpexch (volatile LONG *t, LONG v, LONG c)
{
return
({
register long ret __asm ("%eax");
register LONG ret __asm ("%eax");
__asm __volatile ("lock cmpxchgl %2, %1"
: "=a" (ret), "=m" (*t)
: "r" (v), "m" (*t), "0" (c)
@ -90,4 +90,9 @@ ilockcmpexch (volatile long *t, long v, long c)
#define InterlockedExchange ilockexch
#undef InterlockedCompareExchange
#define InterlockedCompareExchange ilockcmpexch
#undef InterlockedCompareExchangePointer
#ifndef __x86_64
#define InterlockedCompareExchangePointer(d,e,c) \
(PVOID)InterlockedCompareExchange((LONG volatile *)(d),(LONG)(e),(LONG)(c))
#endif /* !__x86_64 */
#endif /*_WINBASE2_H*/