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