87 lines
2.4 KiB
OpenEdge ABL
87 lines
2.4 KiB
OpenEdge ABL
/*************************************************************************
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*
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* ctxdd.h
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*
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* Prototypes for functions to perform kernel level I/O using file object.
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*
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* Copyright Microsoft Corporation, 1998
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*
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*
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*************************************************************************/
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/*
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* Read file using a FileObject instead of a handle.
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* If the caller does not specify a wait KEVENT, then this is
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* a synchronous read operation. Otherwise, it is the caller's
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* responsibility to wait on the specified event if necessary.
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*/
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NTSTATUS
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CtxReadFile(
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IN PFILE_OBJECT fileObject,
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IN PVOID Buffer,
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IN ULONG Length,
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IN PKEVENT pEvent OPTIONAL,
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OUT PIO_STATUS_BLOCK pIosb OPTIONAL,
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OUT PIRP *ppIrp OPTIONAL
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);
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/*
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* Write file using a FileObject instead of a handle.
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* If the caller does not specify a wait KEVENT, then this is
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* a synchronous read operation. Otherwise, it is the caller's
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* responsibility to wait on the specified event if necessary.
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*/
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NTSTATUS
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CtxWriteFile(
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IN PFILE_OBJECT fileObject,
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IN PVOID Buffer,
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IN ULONG Length,
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IN PKEVENT pEvent OPTIONAL,
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OUT PIO_STATUS_BLOCK pIosb OPTIONAL,
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OUT PIRP *ppIrp OPTIONAL
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);
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/*
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* DeviceIoControl using a FileObject instead of a handle.
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* If the caller does not specify a wait KEVENT, then this is
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* a synchronous read operation. Otherwise, it is the caller's
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* responsibility to wait on the specified event if necessary.
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*/
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NTSTATUS
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CtxDeviceIoControlFile(
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IN PFILE_OBJECT fileObject,
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IN ULONG IoControlCode,
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IN PVOID InputBuffer OPTIONAL,
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IN ULONG InputBufferLength,
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OUT PVOID OutputBuffer OPTIONAL,
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IN ULONG OutputBufferLength,
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IN BOOLEAN InternalDeviceIoControl,
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IN PKEVENT pEvent OPTIONAL,
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OUT PIO_STATUS_BLOCK pIosb OPTIONAL,
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OUT PIRP *ppIrp OPTIONAL
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);
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/*
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* DeviceIoControl using a FileObject instead of a handle.
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* If the caller does not specify a wait KEVENT, then this is
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* a synchronous read operation. Otherwise, it is the caller's
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* responsibility to wait on the specified event if necessary.
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*/
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NTSTATUS
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CtxInternalDeviceIoControlFile(
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IN PFILE_OBJECT FileObject,
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IN PVOID IrpParameters,
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IN ULONG IrpParametersLength,
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IN PVOID MdlBuffer OPTIONAL,
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IN ULONG MdlBufferLength,
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IN UCHAR MinorFunction,
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IN PKEVENT pEvent OPTIONAL,
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OUT PIO_STATUS_BLOCK pIosb OPTIONAL,
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OUT PIRP *ppIrp OPTIONAL
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);
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