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AIX Version 4.3 Communications Technical Reference, Volume 2

I_POP streamio Operation

Purpose

Removes the module just below the stream head.

Description

The I_POP operation removes the module just below the stream head of the stream pointed to by the fildes parameter. The value of the arg parameter should be 0 in an I_POP request.

Error Codes

If unsuccessful, the errno global variable is set to one of the following values:

EINVAL No module is present in the stream.
ENXIO Hangup received on the fildes parameter.

Implementation Specifics

This operation is part of STREAMS Kernel Extensions.

Related Information

The streamio operations.

The I_FIND streamio operation, I_LIST streamio operation, I_LOOK streamio operation, I_PUSH streamio operation.

Building STREAMS in AIX Version 4.3 Communications Programming Concepts.


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