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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]
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]
FREEMSG 9F "Jan 16, 2006"
NAME
freemsg - free all message blocks in a message
SYNOPSIS
#include <sys/stream.h> void freemsg(mblk_t *mp);
INTERFACE LEVEL
Architecture independent level 1 (DDI/DKI).
PARAMETERS
mp
Pointer to the message blocks to be deallocated. mblk_t is an instance of the msgb(9S) structure. If mp is NULL, freemsg() immediately returns.
DESCRIPTION
The freemsg() function calls freeb(9F) to free all message and data blocks associated with the message pointed to by mp.
CONTEXT
The freemsg() function can be called from user, interrupt, or kernel context.
EXAMPLES
Example 1 Using freemsg()
See copymsg(9F).
SEE ALSO
copymsg(9F), freeb(9F), msgb(9S)
Writing Device Drivers
STREAMS Programming Guide
NOTES
The behavior of freemsg() when passed a NULL pointer is Solaris-specific.