xref: /titanic_52/usr/src/man/man3devinfo/di_devlink_path.3devinfo (revision 385cc6b4ad1792caef3f84eb61eed3f27085801f)
te
Copyright (c) 2008, Sun Microsystems, Inc. All Rights Reserved.
The contents of this file are subject to the terms of the Common Development and Distribution License (the "License"). You may not use this file except in compliance with the License.
You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing. See the License for the specific language governing permissions and limitations under the License.
When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
DI_DEVLINK_PATH 3DEVINFO "May 15, 2008"
NAME
di_devlink_path, di_devlink_content, di_devlink_type - get devlink attributes
SYNOPSIS

cc [ flag... ] file... -ldevinfo [ library... ]
#include <libdevinfo.h>

const char *di_devlink_path(di_devlink_t devlink);

const char *di_devlink_content(di_devlink_t devlink);

int di_devlink_type(di_devlink_t devlink);
PARAMETERS
devlink

An opaque handle to a devlink.

DESCRIPTION

These functions return various attributes of a devlink.

RETURN VALUES

The di_devlink_path() function returns the absolute path of a devlink. On error, NULL is returned and errno is set to indicate the error.

The di_devlink_content() function returns the content of the symbolic link represented by devlink. On error, NULL is returned and errno is set to indicate the error.

The di_devlink_type() function returns the devlink type, either DI_PRIMARY_LINK or DI_SECONDARY_LINK. On error, -1 is returned and errno is set to indicate the error.

ERRORS

These functions will fail if: EINVAL

The devlink argument is invalid.

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE ATTRIBUTE VALUE
Interface Stability Committed
MT-Level Safe
SEE ALSO

di_devlink_init(3DEVINFO), di_devlink_walk(3DEVINFO), libdevinfo(3LIB), malloc(3C), attributes(5)