mirror of
https://github.com/reactos/reactos.git
synced 2024-11-02 04:37:32 +00:00
88 lines
2.3 KiB
C
88 lines
2.3 KiB
C
/*
|
|
* COPYRIGHT: See COPYING in the top level directory
|
|
* PROJECT: ReactOS NT Library
|
|
* FILE: dll/ntdll/dispatch/dispatch.c
|
|
* PURPOSE: User-Mode NT Dispatchers
|
|
* PROGRAMERS: Alex Ionescu (alex@relsoft.net)
|
|
* David Welch <welch@cwcom.net>
|
|
*/
|
|
|
|
/* INCLUDES *****************************************************************/
|
|
|
|
#include <ntdll.h>
|
|
|
|
#define NDEBUG
|
|
#include <debug.h>
|
|
|
|
typedef NTSTATUS (NTAPI *USER_CALL)(PVOID Argument, ULONG ArgumentLength);
|
|
|
|
/* FUNCTIONS ****************************************************************/
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
VOID
|
|
NTAPI
|
|
KiUserExceptionDispatcher(PEXCEPTION_RECORD ExceptionRecord,
|
|
PCONTEXT Context)
|
|
{
|
|
EXCEPTION_RECORD NestedExceptionRecord;
|
|
NTSTATUS Status;
|
|
|
|
/* Dispatch the exception and check the result */
|
|
if (RtlDispatchException(ExceptionRecord, Context))
|
|
{
|
|
/* Continue executing */
|
|
Status = NtContinue(Context, FALSE);
|
|
}
|
|
else
|
|
{
|
|
/* Raise an exception */
|
|
Status = NtRaiseException(ExceptionRecord, Context, FALSE);
|
|
}
|
|
|
|
/* Setup the Exception record */
|
|
NestedExceptionRecord.ExceptionCode = Status;
|
|
NestedExceptionRecord.ExceptionFlags = EXCEPTION_NONCONTINUABLE;
|
|
NestedExceptionRecord.ExceptionRecord = ExceptionRecord;
|
|
NestedExceptionRecord.NumberParameters = Status;
|
|
|
|
/* Raise the exception */
|
|
RtlRaiseException(&NestedExceptionRecord);
|
|
}
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
VOID
|
|
NTAPI
|
|
KiRaiseUserExceptionDispatcher(VOID)
|
|
{
|
|
EXCEPTION_RECORD ExceptionRecord;
|
|
|
|
/* Setup the exception record */
|
|
ExceptionRecord.ExceptionCode = ((PTEB)NtCurrentTeb())->ExceptionCode;
|
|
ExceptionRecord.ExceptionFlags = 0;
|
|
ExceptionRecord.ExceptionRecord = NULL;
|
|
ExceptionRecord.NumberParameters = 0;
|
|
|
|
/* Raise the exception */
|
|
RtlRaiseException(&ExceptionRecord);
|
|
}
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
VOID
|
|
NTAPI
|
|
KiUserCallbackDispatcher(ULONG Index,
|
|
PVOID Argument,
|
|
ULONG ArgumentLength)
|
|
{
|
|
/* Return with the result of the callback function */
|
|
USER_CALL *KernelCallbackTable = NtCurrentPeb()->KernelCallbackTable;
|
|
ZwCallbackReturn(NULL,
|
|
0,
|
|
KernelCallbackTable[Index](Argument, ArgumentLength));
|
|
}
|