include/hook.h

   1 /*
   2  * Windows hook definitions
   3  *
   4  * Copyright 1994 Alexandre Julliard
   5  */
   6
   7 #ifndef __WINE_HOOK_H
   8 #define __WINE_HOOK_H
   9
  10 #include "windows.h"
  11 #include "ldt.h"
  12 #include "callback.h"
  13
  14 #ifndef WINELIB
  15 #pragma pack(1)
  16 #endif
  17
  18   /* Hook data (pointed to by a HHOOK) */
  19 typedef struct
  20 {
  21     HANDLE   next;               /* 00 Next hook in chain */
  22     HOOKPROC proc WINE_PACKED;   /* 02 Hook procedure */
  23     short    id;                 /* 06 Hook id (WH_xxx) */
  24     HQUEUE   ownerQueue;         /* 08 Owner queue (0 for system hook) */
  25     HMODULE  ownerModule;        /* 0a Owner module */
  26     WORD     inHookProc;         /* 0c TRUE if in this->proc */
  27 } HOOKDATA;
  28
  29 #ifndef WINELIB
  30 #pragma pack(4)
  31 #endif
  32
  33 #define HOOK_MAGIC  ((int)'H' | (int)'K' << 8)  /* 'HK' */
  34
  35 extern HANDLE HOOK_GetHook( short id , HQUEUE hQueue );
  36 extern DWORD HOOK_CallHooks( short id, short code,
  37                              WPARAM wParam, LPARAM lParam );
  38 extern void HOOK_FreeModuleHooks( HMODULE hModule );
  39 extern void HOOK_FreeQueueHooks( HQUEUE hQueue );
  40
  41 #endif  /* __WINE_HOOK_H */