mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
121 lines
1.5 KiB
121 lines
1.5 KiB
/*++
|
|
|
|
Copyright (c) 1991 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
pipe.hxx
|
|
|
|
Abstract:
|
|
|
|
This module defines the PIPE object.
|
|
|
|
Author:
|
|
|
|
Barry J. Gilhuly (W-Barry) June 27, 1991
|
|
|
|
Environment:
|
|
|
|
ULIB, User Mode
|
|
|
|
--*/
|
|
|
|
#if ! defined( _PIPE_ )
|
|
|
|
#define _PIPE_
|
|
|
|
|
|
DECLARE_CLASS( PIPE_STREAM );
|
|
DECLARE_CLASS( PIPE );
|
|
DECLARE_CLASS( WSTRING );
|
|
|
|
class PIPE : public OBJECT {
|
|
|
|
public:
|
|
|
|
DECLARE_CONSTRUCTOR( PIPE );
|
|
|
|
DECLARE_CAST_MEMBER_FUNCTION( PIPE );
|
|
|
|
BOOLEAN
|
|
Initialize(
|
|
IN LPSECURITY_ATTRIBUTES PipeAttributes DEFAULT NULL,
|
|
IN ULONG PipeSize DEFAULT 0,
|
|
IN PWSTRING PipeName DEFAULT NULL
|
|
);
|
|
|
|
PPIPE_STREAM
|
|
QueryReadStream(
|
|
);
|
|
|
|
PPIPE_STREAM
|
|
QueryWriteStream(
|
|
);
|
|
|
|
private:
|
|
|
|
PPIPE_STREAM
|
|
QueryPipeStream(
|
|
IN HANDLE hStream,
|
|
IN STREAMACCESS Access
|
|
);
|
|
|
|
VOID
|
|
Destroy(
|
|
);
|
|
|
|
BOOLEAN _fInitialized;
|
|
HANDLE _hReadPipe;
|
|
HANDLE _hWritePipe;
|
|
|
|
};
|
|
|
|
INLINE
|
|
PPIPE_STREAM
|
|
PIPE::QueryReadStream(
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Create a stream with read access to the PIPE.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
A pointer to the created stream if success. Otherwise, it returns
|
|
NULL.
|
|
|
|
--*/
|
|
{
|
|
return( QueryPipeStream( _hReadPipe, READ_ACCESS ) );
|
|
}
|
|
|
|
INLINE
|
|
PPIPE_STREAM
|
|
PIPE::QueryWriteStream(
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Create a stream with write access to the PIPE.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
A pointer to the created stream if success. Otherwise, it returns
|
|
NULL.
|
|
|
|
--*/
|
|
{
|
|
return( QueryPipeStream( _hWritePipe, WRITE_ACCESS ) );
|
|
}
|
|
|
|
#endif // _PIPE_
|