xref: /illumos-gate/usr/src/man/man9f/geterror.9f (revision 48edc7cf07b5dccc3ad84bf2dafe4150bd666d60)
te
Copyright (c) 2006, Sun Microsystems, Inc. All Rights Reserved.
Copyright 1989 AT&T
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]
GETERROR 9F "Jan 16, 2006"
NAME
geterror - return I/O error
SYNOPSIS

#include <sys/types.h>
#include <sys/buf.h>
#include <sys/ddi.h>



int geterror(struct buf *bp);
INTERFACE LEVEL

Architecture independent level 1 (DDI/DKI).

PARAMETERS
bp

Pointer to a buf(9S) structure.

DESCRIPTION

The geterror() function returns the error number from the error field of the buffer header structure.

RETURN VALUES

An error number indicating the error condition of the I/O request is returned. If the I/O request completes successfully, 0 is returned.

CONTEXT

The geterror() function can be called from user, interrupt, or kernel context.

SEE ALSO

buf(9S)

Writing Device Drivers