tokclose Token-Ring Device Handler Entry Point

Purpose

Note: This function is supported in AIX® 5.1 and earlier only.

Resets the token-ring device handler to a known state and frees system resources.

Syntax

#include <sys/device.h>
#include <sys/comio.h>
#include <sys/tokuser.h>

int tokclose (devno, chan)
dev_t devno;
int chan;

Parameters

Item	Description
devno	Specifies major and minor device numbers.
chan	Identifies the channel number assigned by the tokmpx entry point.

Description

The tokclose entry point is called when a user-mode caller issues a close subroutine. The tokclose entry point can also be invoked in response to a fp_close kernel service.

The tokclose entry point functions with a Token-Ring High Performance Network Adapter that has been correctly configured for use on a qualified network. Consult adapter specifications for more information on configuring the adapter and network qualifications.

Execution Environment

The tokclose entry point can be called from the process environment only.

Return Values

Item	Description
ENXIO	Indicates the specified minor number is not valid.