dispatch.c File Reference

#include <ntdll.h>
#include <debug.h>

Include dependency graph for dispatch.c:

Go to the source code of this file.

Macros
#define	NDEBUG

Typedefs
typedef NTSTATUS(NTAPI *	USER_CALL) (PVOID Argument, ULONG ArgumentLength)

Functions
VOID NTAPI	KiUserExceptionDispatcher (PEXCEPTION_RECORD ExceptionRecord, PCONTEXT Context)
VOID NTAPI	KiRaiseUserExceptionDispatcher (VOID)
VOID NTAPI	KiUserCallbackDispatcher (ULONG Index, PVOID Argument, ULONG ArgumentLength)

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 14 of file dispatch.c.

Typedef Documentation

USER_CALL

typedef NTSTATUS(NTAPI * USER_CALL) (PVOID Argument, ULONG ArgumentLength)

Definition at line 17 of file dispatch.c.

Function Documentation

KiRaiseUserExceptionDispatcher()

VOID NTAPI KiRaiseUserExceptionDispatcher

(

VOID

)

Definition at line 59 of file dispatch.c.

{
    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);
}

KiUserCallbackDispatcher()

VOID NTAPI KiUserCallbackDispatcher	(	ULONG	Index,
		PVOID	Argument,
		ULONG	ArgumentLength
	)

Definition at line 78 of file dispatch.c.

{
    /* Return with the result of the callback function */
    USER_CALL *KernelCallbackTable = NtCurrentPeb()->KernelCallbackTable;
    ZwCallbackReturn(NULL,
                     0,
                     KernelCallbackTable[Index](Argument, ArgumentLength));
}

KiUserExceptionDispatcher()

VOID NTAPI KiUserExceptionDispatcher	(	PEXCEPTION_RECORD	ExceptionRecord,
		PCONTEXT	Context
	)

Definition at line 26 of file dispatch.c.

{
    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);
}