Exemplos de FFSExceptionHandler em C++ (Cpp)

Exemplo n.º 1

Arquivo: close.c Projeto: GYGit/reactos

VOID NTAPI
FFSDeQueueCloseRequest(
	IN PVOID Context)
{
	PFFS_IRP_CONTEXT IrpContext;

    PAGED_CODE();

	IrpContext = (PFFS_IRP_CONTEXT) Context;

	ASSERT(IrpContext);

	ASSERT((IrpContext->Identifier.Type == FFSICX) &&
			(IrpContext->Identifier.Size == sizeof(FFS_IRP_CONTEXT)));

	_SEH2_TRY
	{
		_SEH2_TRY
		{
			FsRtlEnterFileSystem();
			FFSClose(IrpContext);
		}
		_SEH2_EXCEPT (FFSExceptionFilter(IrpContext, _SEH2_GetExceptionInformation()))
		{
			FFSExceptionHandler(IrpContext);
		} _SEH2_END;
	}
	_SEH2_FINALLY
	{
		FsRtlExitFileSystem();
	} _SEH2_END;
}

Exemplo n.º 2

Arquivo: dispatch.c Projeto: layerfsd/ffsfsd

VOID
FFSDeQueueRequest(
	IN PVOID Context)
{
	PFFS_IRP_CONTEXT IrpContext;

	IrpContext = (PFFS_IRP_CONTEXT) Context;

	ASSERT(IrpContext);

	ASSERT((IrpContext->Identifier.Type == FFSICX) &&
			(IrpContext->Identifier.Size == sizeof(FFS_IRP_CONTEXT)));

	__try
	{
		__try
		{
			FsRtlEnterFileSystem();

			if (!IrpContext->IsTopLevel)
			{
				IoSetTopLevelIrp((PIRP) FSRTL_FSP_TOP_LEVEL_IRP);
			}

			FFSDispatchRequest(IrpContext);
		}
		__except (FFSExceptionFilter(IrpContext, GetExceptionInformation()))
		{
			FFSExceptionHandler(IrpContext);
		}
	}
	__finally
	{
		IoSetTopLevelIrp(NULL);

		FsRtlExitFileSystem();
	}
}

Exemplo n.º 3

Arquivo: dispatch.c Projeto: layerfsd/ffsfsd

NTSTATUS
FFSBuildRequest(
	PDEVICE_OBJECT   DeviceObject,
	PIRP             Irp)
{
	BOOLEAN             AtIrqlPassiveLevel = FALSE;
	BOOLEAN             IsTopLevelIrp = FALSE;
	PFFS_IRP_CONTEXT    IrpContext = NULL;
	NTSTATUS            Status = STATUS_UNSUCCESSFUL;

	__try
	{
		__try
		{
#if DBG
			FFSDbgPrintCall(DeviceObject, Irp);
#endif

			AtIrqlPassiveLevel = (KeGetCurrentIrql() == PASSIVE_LEVEL);

			if (AtIrqlPassiveLevel)
			{
				FsRtlEnterFileSystem();
			}

			if (!IoGetTopLevelIrp())
			{
				IsTopLevelIrp = TRUE;
				IoSetTopLevelIrp(Irp);
			}

			IrpContext = FFSAllocateIrpContext(DeviceObject, Irp);

			if (!IrpContext)
			{
				Status = STATUS_INSUFFICIENT_RESOURCES;
				Irp->IoStatus.Status = Status;

				FFSCompleteRequest(Irp, TRUE, IO_NO_INCREMENT);
			}
			else
			{
				if ((IrpContext->MajorFunction == IRP_MJ_CREATE) &&
						!AtIrqlPassiveLevel)
				{
					FFSBreakPoint();
				}

				Status = FFSDispatchRequest(IrpContext);
			}
		}
		__except (FFSExceptionFilter(IrpContext, GetExceptionInformation()))
		{
			Status = FFSExceptionHandler(IrpContext);
		}
	}
	__finally
	{
		if (IsTopLevelIrp)
		{
			IoSetTopLevelIrp(NULL);
		}

		if (AtIrqlPassiveLevel)
		{
			FsRtlExitFileSystem();
		}       
	}

	return Status;
}