IOFWCmdQ.cpp   [plain text]

/*
 * Copyright (c) 1998-2003 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */

#import <IOKit/firewire/IOFireWireController.h>

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

// executeQueue
//
//

bool IOFWCmdQ::executeQueue(bool all)
{
    IOFWCommand *cmd;
    
	cmd = fHead;
    
	while( cmd ) 
	{
        IOFWCommand *newHead;
        newHead = cmd->getNext();
        
		if( newHead )
            newHead->fQueuePrev = NULL;
        else
            fTail = NULL;
        
		fHead = newHead;

        cmd->fQueue = NULL;	// Not on this queue anymore
        cmd->startExecution();
        
		if(!all)
            break;
        
		cmd = newHead;
    }
	
    return fHead != NULL;	// ie. more to do
}

// headChanged
//
//

void IOFWCmdQ::headChanged(IOFWCommand *oldHead)
{
    
}