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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]
flushband 9F "16 Jan 2006" "SunOS 5.11" "Kernel Functions for Drivers"
NAME
flushband - flush messages for a specified priority band
SYNOPSIS
#include <sys/stream.h> void flushband(queue_t *q, unsigned char pri, int flag);
INTERFACE LEVEL
Architecture independent level 1 (DDI/DKI).
PARAMETERS
q
Pointer to the queue.
pri
Priority of messages to be flushed.
flag
Valid flag values are:
FLUSHDATA
Flush only data messages (types M_DATA, M_DELAY, M_PROTO, and M_PCPROTO ).
FLUSHALL
Flush all messages.
DESCRIPTION
The flushband() function flushes messages associated with the priority band specified by pri. If pri is 0, only normal and high priority messages are flushed. Otherwise, messages are flushed from the band pri according to the value of flag.
CONTEXT
The flushband() function can be called from user, interrupt, or kernel context.
SEE ALSO
flushq(9F)
Writing Device Drivers STREAMS Programming Guide