win32ss/gdi/ntgdi/misc.h

   1 #pragma once
   2
   3 typedef struct INTENG_ENTER_LEAVE_TAG
   4   {
   5   /* Contents is private to EngEnter/EngLeave */
   6   SURFOBJ *DestObj;
   7   SURFOBJ *OutputObj;
   8   HBITMAP OutputBitmap;
   9   CLIPOBJ *TrivialClipObj;
  10   RECTL DestRect;
  11   BOOL ReadOnly;
  12   } INTENG_ENTER_LEAVE, *PINTENG_ENTER_LEAVE;
  13
  14 extern BOOL APIENTRY IntEngEnter(PINTENG_ENTER_LEAVE EnterLeave,
  15                                 SURFOBJ *DestObj,
  16                                 RECTL *DestRect,
  17                                 BOOL ReadOnly,
  18                                 POINTL *Translate,
  19                                 SURFOBJ **OutputObj);
  20
  21 extern BOOL APIENTRY IntEngLeave(PINTENG_ENTER_LEAVE EnterLeave);
  22
  23 extern HGDIOBJ StockObjects[];
  24 extern SHORT gusLanguageID;
  25
  26 SHORT FASTCALL UserGetLanguageID(VOID);
  27 VOID FASTCALL IntUserManualGuiCheck(LONG Check);
  28 PVOID APIENTRY HackSecureVirtualMemory(IN PVOID,IN SIZE_T,IN ULONG,OUT PVOID *);
  29 VOID APIENTRY HackUnsecureVirtualMemory(IN PVOID);
  30
  31 NTSTATUS
  32 NTAPI
  33 RegOpenKey(
  34     LPCWSTR pwszKeyName,
  35     PHKEY phkey);
  36
  37 NTSTATUS
  38 NTAPI
  39 RegQueryValue(
  40     IN HKEY hkey,
  41     IN PCWSTR pwszValueName,
  42     IN ULONG ulType,
  43     OUT PVOID pvData,
  44     IN OUT PULONG pcbValue);
  45
  46 VOID
  47 NTAPI
  48 RegWriteSZ(HKEY hkey, PWSTR pwszValue, PWSTR pwszData);
  49
  50 VOID
  51 NTAPI
  52 RegWriteDWORD(HKEY hkey, PWSTR pwszValue, DWORD dwData);
  53
  54 BOOL
  55 NTAPI
  56 RegReadDWORD(HKEY hkey, PWSTR pwszValue, PDWORD pdwData);
  57
  58 BOOL
  59 NTAPI
  60 RegReadUserSetting(
  61     IN PCWSTR pwszKeyName,
  62     IN PCWSTR pwszValueName,
  63     IN ULONG ulType,
  64     OUT PVOID pvData,
  65     IN ULONG cbDataSize);
  66
  67 BOOL
  68 NTAPI
  69 RegWriteUserSetting(
  70     IN PCWSTR pwszKeyName,
  71     IN PCWSTR pwszValueName,
  72     IN ULONG ulType,
  73     OUT PVOID pvData,
  74     IN ULONG cbDataSize);
  75
  76 VOID FASTCALL
  77 SetLastNtError(
  78   NTSTATUS Status);
  79
  80 typedef struct _GDI_POOL *PGDI_POOL;
  81
  82 PGDI_POOL
  83 NTAPI
  84 GdiPoolCreate(
  85     ULONG cjAllocSize,
  86     ULONG ulTag);
  87
  88 VOID
  89 NTAPI
  90 GdiPoolDestroy(PGDI_POOL pPool);
  91
  92 PVOID
  93 NTAPI
  94 GdiPoolAllocate(
  95     PGDI_POOL pPool);
  96
  97 VOID
  98 NTAPI
  99 GdiPoolFree(
 100     PGDI_POOL pPool,
 101     PVOID pvAlloc);
 102
 103 FORCEINLINE
 104 VOID
 105 ExAcquirePushLockExclusive(PEX_PUSH_LOCK PushLock)
 106 {
 107     /* Try acquiring the lock */
 108     if (InterlockedBitTestAndSet((PLONG)PushLock, EX_PUSH_LOCK_LOCK_V))
 109     {
 110         /* Someone changed it, use the slow path */
 111         ExfAcquirePushLockExclusive(PushLock);
 112     }
 113 }
 114
 115 FORCEINLINE
 116 VOID
 117 ExReleasePushLockExclusive(PEX_PUSH_LOCK PushLock)
 118 {
 119     EX_PUSH_LOCK OldValue;
 120
 121     /* Unlock the pushlock */
 122     OldValue.Value = InterlockedExchangeAddSizeT((PSIZE_T)PushLock,
 123                                                  -(SSIZE_T)EX_PUSH_LOCK_LOCK);
 124     /* Check if anyone is waiting on it and it's not already waking */
 125     if ((OldValue.Waiting) && !(OldValue.Waking))
 126     {
 127         /* Wake it up */
 128         ExfTryToWakePushLock(PushLock);
 129     }
 130 }
 131
 132 FORCEINLINE
 133 VOID
 134 _ExInitializePushLock(PEX_PUSH_LOCK Lock)
 135 {
 136     *(PULONG_PTR)Lock = 0;
 137 }
 138 #define ExInitializePushLock _ExInitializePushLock
 139
 140 NTSTATUS FASTCALL
 141 IntSafeCopyUnicodeString(PUNICODE_STRING Dest,
 142                          PUNICODE_STRING Source);
 143
 144 NTSTATUS FASTCALL
 145 IntSafeCopyUnicodeStringTerminateNULL(PUNICODE_STRING Dest,
 146                                       PUNICODE_STRING Source);
 147
 148 HBITMAP NTAPI UserLoadImage(PCWSTR);
 149
 150 BOOL NTAPI W32kDosPathNameToNtPathName(PCWSTR, PUNICODE_STRING);
 151
 152 #define ROUND_DOWN(n, align) \
 153     (((ULONG)n) & ~((align) - 1l))
 154
 155 #define ROUND_UP(n, align) \
 156     ROUND_DOWN(((ULONG)n) + (align) - 1, (align))
 157
 158 #define LIST_FOR_EACH(elem, list, type, field) \
 159     for ((elem) = CONTAINING_RECORD((list)->Flink, type, field); \
 160          &(elem)->field != (list) && ((&((elem)->field)) != NULL); \
 161          (elem) = CONTAINING_RECORD((elem)->field.Flink, type, field))
 162
 163 #define LIST_FOR_EACH_SAFE(cursor, cursor2, list, type, field) \
 164     for ((cursor) = CONTAINING_RECORD((list)->Flink, type, field), \
 165          (cursor2) = CONTAINING_RECORD((cursor)->field.Flink, type, field); \
 166          &(cursor)->field != (list) && ((&((cursor)->field)) != NULL); \
 167          (cursor) = (cursor2), \
 168          (cursor2) = CONTAINING_RECORD((cursor)->field.Flink, type, field))