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AIX Version 4.3 Communications Technical Reference, Volume 2

I_GETBAND streamio Operation

Purpose

Gets the band of the first message on the stream-head read queue.

Description

The I_GETBAND operation returns the priority band of the first message on the stream-head read queue in the integer referenced by the arg parameter.

Error Codes

If unsuccessful, the errno global variable is set to the following value:

ENODATA No message is on the stream-head read queue.

Implementation Specifics

This operation is part of STREAMS Kernel Extensions.

Related Information

The streamio operations.

Understanding STREAMS Messages in AIX Version 4.3 Communications Programming Concepts.


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