1/*
2 * Copyright (c) 1998-2003 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * The contents of this file constitute Original Code as defined in and
7 * are subject to the Apple Public Source License Version 1.1 (the
8 * "License").  You may not use this file except in compliance with the
9 * License.  Please obtain a copy of the License at
10 * http://www.apple.com/publicsource and read it before using this file.
11 *
12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
17 * License for the specific language governing rights and limitations
18 * under the License.
19 *
20 * @APPLE_LICENSE_HEADER_END@
21 */
22
23// public
24#import <IOKit/firewire/IOFireWireController.h>
25
26// protected
27#import <IOKit/firewire/IOFWWorkLoop.h>
28
29// private
30#import "IOFWQEventSource.h"
31
32// createPendingQ
33//
34//
35
36IOReturn IOFireWireController::createPendingQ( void )
37{
38    IOFWQEventSource *q;
39    q = OSTypeAlloc( IOFWQEventSource );
40    fPendingQ.fSource = q;
41    q->init(this);
42
43	fWorkLoop->addEventSource(fPendingQ.fSource);
44
45	return kIOReturnSuccess;
46}
47
48// destroyPendingQ
49//
50//
51
52void IOFireWireController::destroyPendingQ( void )
53{
54	fWorkLoop->removeEventSource(fPendingQ.fSource);
55    fPendingQ.fSource->release();
56}
57
58// headChanged
59//
60//
61
62void IOFireWireController::pendingQ::headChanged(IOFWCommand *oldHead)
63{
64    if( fHead )
65	{
66        fSource->signalWorkAvailable();
67    }
68}
69