1 /******************************************************************************
2 * INTERLOCKED Functions *
3 ******************************************************************************/
5 // Intrinsics (note: taken from our winnt.h)
10 static __inline__ BOOLEAN
11 InterlockedBitTestAndSet(
12 _Inout_updates_bytes_((Bit
+7)/8) _Interlocked_operand_ LONG
volatile *Base
,
17 __asm__
__volatile__("lock "
20 :"=r" (OldBit
),"+m" (*Base
)
25 return (_InterlockedOr(Base
, 1 << Bit
) >> Bit
) & 1;
29 static __inline__ BOOLEAN
30 InterlockedBitTestAndReset(
31 _Inout_updates_bytes_((Bit
+7)/8) _Interlocked_operand_ LONG
volatile *Base
,
36 __asm__
__volatile__("lock "
39 :"=r" (OldBit
),"+m" (*Base
)
44 return (_InterlockedAnd(Base
, ~(1 << Bit
)) >> Bit
) & 1;
48 #endif /* defined(__GNUC__) */
50 #define BitScanForward _BitScanForward
51 #define BitScanReverse _BitScanReverse
52 #define BitTest _bittest
53 #define BitTestAndComplement _bittestandcomplement
54 #define BitTestAndSet _bittestandset
55 #define BitTestAndReset _bittestandreset
56 #define InterlockedBitTestAndSet _interlockedbittestandset
57 #define InterlockedBitTestAndReset _interlockedbittestandreset
60 #define BitScanForward64 _BitScanForward64
61 #define BitScanReverse64 _BitScanReverse64
62 #define BitTest64 _bittest64
63 #define BitTestAndComplement64 _bittestandcomplement64
64 #define BitTestAndSet64 _bittestandset64
65 #define BitTestAndReset64 _bittestandreset64
66 #define InterlockedBitTestAndSet64 _interlockedbittestandset64
67 #define InterlockedBitTestAndReset64 _interlockedbittestandreset64
70 #if !defined(__INTERLOCKED_DECLARED)
71 #define __INTERLOCKED_DECLARED
74 #if defined(NO_INTERLOCKED_INTRINSICS)
79 _Inout_ _Interlocked_operand_ LONG
volatile *Addend
);
85 _Inout_ _Interlocked_operand_ LONG
volatile *Addend
);
90 InterlockedCompareExchange(
91 _Inout_ _Interlocked_operand_ LONG
volatile *Destination
,
99 _Inout_ _Interlocked_operand_ LONG
volatile *Destination
,
105 InterlockedExchangeAdd(
106 _Inout_ _Interlocked_operand_ LONG
volatile *Addend
,
109 #else /* !defined(NO_INTERLOCKED_INTRINSICS) */
111 #define InterlockedExchange _InterlockedExchange
112 #define InterlockedIncrement _InterlockedIncrement
113 #define InterlockedDecrement _InterlockedDecrement
114 #define InterlockedExchangeAdd _InterlockedExchangeAdd
115 #define InterlockedCompareExchange _InterlockedCompareExchange
116 #define InterlockedOr _InterlockedOr
117 #define InterlockedAnd _InterlockedAnd
118 #define InterlockedXor _InterlockedXor
120 #endif /* !defined(NO_INTERLOCKED_INTRINSICS) */
122 #endif /* defined (_X86_) */
124 #if !defined (_WIN64)
127 * InterlockedExchangePointer(
128 * IN OUT PVOID volatile *Target,
131 #define InterlockedExchangePointer(Target, Value) \
132 ((PVOID) InterlockedExchange((PLONG) Target, (LONG) Value))
136 * InterlockedCompareExchangePointer(
137 * IN OUT PVOID *Destination,
139 * IN PVOID Comparand)
141 #define InterlockedCompareExchangePointer(Destination, Exchange, Comparand) \
142 ((PVOID) InterlockedCompareExchange((PLONG) Destination, (LONG) Exchange, (LONG) Comparand))
144 #define InterlockedExchangeAddSizeT(a, b) InterlockedExchangeAdd((LONG *)a, b)
145 #define InterlockedIncrementSizeT(a) InterlockedIncrement((LONG *)a)
146 #define InterlockedDecrementSizeT(a) InterlockedDecrement((LONG *)a)
148 #endif // !defined (_WIN64)
150 #if defined (_M_AMD64)
152 #define InterlockedExchangeAddSizeT(a, b) InterlockedExchangeAdd64((LONGLONG *)a, (LONGLONG)b)
153 #define InterlockedIncrementSizeT(a) InterlockedIncrement64((LONGLONG *)a)
154 #define InterlockedDecrementSizeT(a) InterlockedDecrement64((LONGLONG *)a)
155 #define InterlockedAnd _InterlockedAnd
156 #define InterlockedOr _InterlockedOr
157 #define InterlockedXor _InterlockedXor
158 #define InterlockedIncrement _InterlockedIncrement
159 #define InterlockedDecrement _InterlockedDecrement
160 #define InterlockedAdd _InterlockedAdd
161 #define InterlockedExchange _InterlockedExchange
162 #define InterlockedExchangeAdd _InterlockedExchangeAdd
163 #define InterlockedCompareExchange _InterlockedCompareExchange
164 #define InterlockedAnd64 _InterlockedAnd64
165 #define InterlockedOr64 _InterlockedOr64
166 #define InterlockedXor64 _InterlockedXor64
167 #define InterlockedIncrement64 _InterlockedIncrement64
168 #define InterlockedDecrement64 _InterlockedDecrement64
169 #define InterlockedAdd64 _InterlockedAdd64
170 #define InterlockedExchange64 _InterlockedExchange64
171 #define InterlockedExchangeAdd64 _InterlockedExchangeAdd64
172 #define InterlockedCompareExchange64 _InterlockedCompareExchange64
173 #define InterlockedCompareExchangePointer _InterlockedCompareExchangePointer
174 #define InterlockedExchangePointer _InterlockedExchangePointer
175 #define InterlockedBitTestAndSet64 _interlockedbittestandset64
176 #define InterlockedBitTestAndReset64 _interlockedbittestandreset64
180 #if defined(_M_AMD64) && !defined(RC_INVOKED) && !defined(MIDL_PASS)
181 //#if !defined(_X86AMD64_) // FIXME: what's _X86AMD64_ used for?
185 _Inout_ _Interlocked_operand_ LONG64
volatile *Addend
,
188 return InterlockedExchangeAdd64(Addend
, Value
) + Value
;
193 #endif /* !__INTERLOCKED_DECLARED */