reactos/lib/rtl/callback.c

   1 /* COPYRIGHT:       See COPYING in the top level directory
   2  * PROJECT:         ReactOS system libraries
   3  * PURPOSE:         User-mode callback support
   4  * FILE:            lib/rtl/callback.c
   5  * PROGRAMER:       David Welch <welch@cwcom.net>
   6  */
   7
   8 /* INCLUDES *****************************************************************/
   9
  10 #include <rtl.h>
  11
  12 #define NDEBUG
  13 #include <debug.h>
  14
  15 /* FUNCTIONS *****************************************************************/
  16
  17 typedef NTSTATUS (STDCALL *KERNEL_CALLBACK_FUNCTION)(PVOID Argument,
  18                                                     ULONG ArgumentLength);
  19
  20 /* FUNCTIONS *****************************************************************/
  21
  22 VOID STDCALL
  23 KiUserCallbackDispatcher(ULONG RoutineIndex,
  24                          PVOID Argument,
  25                          ULONG ArgumentLength)
  26 {
  27    PPEB Peb;
  28    NTSTATUS Status;
  29    KERNEL_CALLBACK_FUNCTION Callback;
  30
  31    Peb = NtCurrentPeb();
  32    Callback = (KERNEL_CALLBACK_FUNCTION)Peb->KernelCallbackTable[RoutineIndex];
  33    Status = Callback(Argument, ArgumentLength);
  34    ZwCallbackReturn(NULL, 0, Status);
  35 }