1 files changed, 121 insertions, 0 deletions
diff --git a/private/utils/ulib/inc/pipe.hxx b/private/utils/ulib/inc/pipe.hxx
new file mode 100644
index 000000000..aef3c917d
--- /dev/null
+++ b/private/utils/ulib/inc/pipe.hxx
@@ -0,0 +1,121 @@
+/*++
+
+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_