'\" te
.\" Copyright (c) 2006, 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.
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.TH nvlist_remove 9F "16 Jan 2006" "SunOS 5.11" "Kernel Functions for Drivers"
.SH NAME
nvlist_remove, nvlist_remove_all \- remove name-value pairs
.SH SYNOPSIS
.LP
.nf
#include <sys/nvpair.h> 

\fBint\fR \fBnvlist_remove\fR(\fBnvlist_t *\fR\fInvl\fR, \fBconst char *\fR\fIname\fR, \fBdata_type_t\fR \fItype\fR);
.fi

.LP
.nf
\fBint\fR  \fBnvlist_remove_all\fR(\fBnvlist_t *\fR\fInvl\fR, \fBconst char *\fR\fIname\fR);
.fi

.SH INTERFACE LEVEL
.sp
.LP
Solaris DDI specific (Solaris DDI)
.SH PARAMETERS
.sp
.ne 2
.mk
.na
\fB\fInvl\fR\fR
.ad
.RS 8n
.rt  
The list of name-value pairs (\fBnvlist_t\fR) to be processed.
.RE

.sp
.ne 2
.mk
.na
\fB\fIname\fR\fR
.ad
.RS 8n
.rt  
Name of the name-value pair (\fBnvpair\fR) to be removed.
.RE

.sp
.ne 2
.mk
.na
\fB\fItype\fR\fR
.ad
.RS 8n
.rt  
Data type of the \fBnvpair\fR to be removed.
.RE

.SH DESCRIPTION
.sp
.LP
The \fBnvlist_remove()\fR function removes the first occurrence of \fInvpair\fR
that matches the name and the type.
.sp
.LP
The \fBnvlist_remove_all()\fR function removes all occurrences of \fInvpair\fR
that match the name, regardless of type.
.sp
.LP
Multiple threads can simultaneously read the same \fBnvlist_t\fR but only one
thread may actively change a given \fBnvlist_t\fR at a time. The caller is
responsible for the synchronization.
.SH RETURN VALUES
.sp
.LP
These functions return \fB0\fR on success and an error value on failure.
.SH CONTEXT
.sp
.LP
The \fBnvlist_remove()\fR and \fBnvlist_remove_all()\fR functions can be called
from user, interrupt, or kernel context.
.SH ERRORS
.sp
.ne 2
.mk
.na
\fBEINVAL\fR
.ad
.RS 10n
.rt  
There is an invalid argument.
.RE

.sp
.ne 2
.mk
.na
\fBENOENT\fR
.ad
.RS 10n
.rt  
No name-value pairs were found to match the criteria specified by name and
type.
.RE