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
  13 #pragma pack(1)
  14
  15   /* Hook data (pointed to by a HHOOK) */
  16 typedef struct
  17 {
  18     HANDLE16   next;               /* 00 Next hook in chain */
  19     HOOKPROC16 proc WINE_PACKED;   /* 02 Hook procedure */
  20     INT16      id;                 /* 06 Hook id (WH_xxx) */
  21     HQUEUE16   ownerQueue;         /* 08 Owner queue (0 for system hook) */
  22     HMODULE16  ownerModule;        /* 0a Owner module */
  23     WORD       inHookProc;         /* 0c TRUE if in this->proc */
  24 } HOOKDATA;
  25
  26 #pragma pack(4)
  27
  28 #define HOOK_MAGIC  ((int)'H' | (int)'K' << 8)  /* 'HK' */
  29
  30 extern HANDLE16 HOOK_GetHook( INT16 id , HQUEUE16 hQueue );
  31 extern LRESULT HOOK_CallHooks( INT16 id, INT16 code,
  32                                WPARAM16 wParam, LPARAM lParam );
  33 extern void HOOK_FreeModuleHooks( HMODULE16 hModule );
  34 extern void HOOK_FreeQueueHooks( HQUEUE16 hQueue );
  35
  36 #endif  /* __WINE_HOOK_H */