reactos/include/xdk/interlocked.h

   1 /******************************************************************************
   2  *                           INTERLOCKED Functions                            *
   3  ******************************************************************************/
   4 //
   5 // Intrinsics (note: taken from our winnt.h)
   6 // FIXME: 64-bit
   7 //
   8 #if defined(__GNUC__)
   9
  10 static __inline__ BOOLEAN
  11 InterlockedBitTestAndSet(
  12     _Inout_updates_bytes_((Bit+7)/8) _Interlocked_operand_ LONG volatile *Base,
  13     _In_ LONG Bit)
  14 {
  15 #if defined(_M_IX86)
  16   LONG OldBit;
  17   __asm__ __volatile__("lock "
  18                        "btsl %2,%1\n\t"
  19                        "sbbl %0,%0\n\t"
  20                        :"=r" (OldBit),"+m" (*Base)
  21                        :"Ir" (Bit)
  22                        : "memory");
  23   return OldBit;
  24 #else
  25   return (_InterlockedOr(Base, 1 << Bit) >> Bit) & 1;
  26 #endif
  27 }
  28
  29 static __inline__ BOOLEAN
  30 InterlockedBitTestAndReset(
  31     _Inout_updates_bytes_((Bit+7)/8) _Interlocked_operand_ LONG volatile *Base,
  32     _In_ LONG Bit)
  33 {
  34 #if defined(_M_IX86)
  35   LONG OldBit;
  36   __asm__ __volatile__("lock "
  37                        "btrl %2,%1\n\t"
  38                        "sbbl %0,%0\n\t"
  39                        :"=r" (OldBit),"+m" (*Base)
  40                        :"Ir" (Bit)
  41                        : "memory");
  42   return OldBit;
  43 #else
  44   return (_InterlockedAnd(Base, ~(1 << Bit)) >> Bit) & 1;
  45 #endif
  46 }
  47
  48 #endif /* defined(__GNUC__) */
  49
  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
  58
  59 #ifdef _M_AMD64
  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
  68 #endif
  69
  70 #if !defined(__INTERLOCKED_DECLARED)
  71 #define __INTERLOCKED_DECLARED
  72
  73 #if defined (_X86_)
  74 #if defined(NO_INTERLOCKED_INTRINSICS)
  75 NTKERNELAPI
  76 LONG
  77 FASTCALL
  78 InterlockedIncrement(
  79     _Inout_ _Interlocked_operand_ LONG volatile *Addend);
  80
  81 NTKERNELAPI
  82 LONG
  83 FASTCALL
  84 InterlockedDecrement(
  85     _Inout_ _Interlocked_operand_ LONG volatile *Addend);
  86
  87 NTKERNELAPI
  88 LONG
  89 FASTCALL
  90 InterlockedCompareExchange(
  91     _Inout_ _Interlocked_operand_ LONG volatile *Destination,
  92   _In_ LONG Exchange,
  93   _In_ LONG Comparand);
  94
  95 NTKERNELAPI
  96 LONG
  97 FASTCALL
  98 InterlockedExchange(
  99     _Inout_ _Interlocked_operand_ LONG volatile *Destination,
 100     _In_ LONG Value);
 101
 102 NTKERNELAPI
 103 LONG
 104 FASTCALL
 105 InterlockedExchangeAdd(
 106     _Inout_ _Interlocked_operand_ LONG volatile *Addend,
 107     _In_ LONG Value);
 108
 109 #else /* !defined(NO_INTERLOCKED_INTRINSICS) */
 110
 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
 119
 120 #endif /* !defined(NO_INTERLOCKED_INTRINSICS) */
 121
 122 #endif /* defined (_X86_) */
 123
 124 #if !defined (_WIN64)
 125 /*
 126  * PVOID
 127  * InterlockedExchangePointer(
 128  *   IN OUT PVOID volatile  *Target,
 129  *   IN PVOID  Value)
 130  */
 131 #define InterlockedExchangePointer(Target, Value) \
 132   ((PVOID) InterlockedExchange((PLONG) Target, (LONG) Value))
 133
 134 /*
 135  * PVOID
 136  * InterlockedCompareExchangePointer(
 137  *   IN OUT PVOID  *Destination,
 138  *   IN PVOID  Exchange,
 139  *   IN PVOID  Comparand)
 140  */
 141 #define InterlockedCompareExchangePointer(Destination, Exchange, Comparand) \
 142   ((PVOID) InterlockedCompareExchange((PLONG) Destination, (LONG) Exchange, (LONG) Comparand))
 143
 144 #define InterlockedExchangeAddSizeT(a, b) InterlockedExchangeAdd((LONG *)a, b)
 145 #define InterlockedIncrementSizeT(a) InterlockedIncrement((LONG *)a)
 146 #define InterlockedDecrementSizeT(a) InterlockedDecrement((LONG *)a)
 147
 148 #endif // !defined (_WIN64)
 149
 150 #if defined (_M_AMD64)
 151
 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
 177
 178 #endif // _M_AMD64
 179
 180 #if defined(_M_AMD64) && !defined(RC_INVOKED) && !defined(MIDL_PASS)
 181 //#if !defined(_X86AMD64_) // FIXME: what's _X86AMD64_ used for?
 182 FORCEINLINE
 183 LONG64
 184 InterlockedAdd64(
 185     _Inout_ _Interlocked_operand_ LONG64 volatile *Addend,
 186     _In_ LONG64 Value)
 187 {
 188   return InterlockedExchangeAdd64(Addend, Value) + Value;
 189 }
 190 //#endif
 191 #endif
 192
 193 #endif /* !__INTERLOCKED_DECLARED */
 194
 195