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Annotation of XNU/iokit/Drivers/platform/drvAppleRootDomain/RootDomainUserClient.cpp, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1998-2000 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:  * Copyright (c) 1999 Apple Computer, Inc.  All rights reserved.
        !            24:  *
        !            25:  */
        !            26: 
        !            27: #include <IOKit/assert.h>
        !            28: #include <IOKit/IOLib.h>
        !            29: #include <IOKit/IOBufferMemoryDescriptor.h>
        !            30: #include "RootDomainUserClient.h"
        !            31: #include <IOKit/pwr_mgt/IOPMLibDefs.h>
        !            32: 
        !            33: #define super IOUserClient
        !            34: 
        !            35: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        !            36: 
        !            37: OSDefineMetaClassAndStructors(RootDomainUserClient, IOUserClient)
        !            38: 
        !            39: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        !            40: 
        !            41: RootDomainUserClient *RootDomainUserClient::withTask(task_t owningTask)
        !            42: {
        !            43:     RootDomainUserClient *me;
        !            44: 
        !            45:     me = new RootDomainUserClient;
        !            46:     if(me) {
        !            47:         if(!me->init()) {
        !            48:             me->release();
        !            49:             return NULL;
        !            50:         }
        !            51:         me->fTask = owningTask;
        !            52:     }
        !            53:     return me;
        !            54: }
        !            55: 
        !            56: bool RootDomainUserClient::start( IOService * provider )
        !            57: {
        !            58:     assert(OSDynamicCast(IOPMrootDomain, provider));
        !            59:     if(!super::start(provider))
        !            60:         return false;
        !            61:     fOwner = (IOPMrootDomain *)provider;
        !            62: 
        !            63:     // Got the owner, so initialize the call structures
        !            64:     fMethods[kPMSetAggressiveness].object = provider;
        !            65:     fMethods[kPMSetAggressiveness].func = (IOMethod)&IOPMrootDomain::setAggressiveness;
        !            66:     fMethods[kPMSetAggressiveness].count0 = 2;
        !            67:     fMethods[kPMSetAggressiveness].count1 = 0;
        !            68:     fMethods[kPMSetAggressiveness].flags = kIOUCScalarIScalarO;
        !            69: 
        !            70:     fMethods[kPMGetAggressiveness].object = provider;
        !            71:     fMethods[kPMGetAggressiveness].func = (IOMethod)&IOPMrootDomain::getAggressiveness;
        !            72:     fMethods[kPMGetAggressiveness].count0 = 1;
        !            73:     fMethods[kPMGetAggressiveness].count1 = 1;
        !            74:     fMethods[kPMGetAggressiveness].flags = kIOUCScalarIScalarO;
        !            75: 
        !            76:     fMethods[kPMSleepSystem].object = provider;
        !            77:     fMethods[kPMSleepSystem].func = (IOMethod)&IOPMrootDomain::sleepSystem;
        !            78:     fMethods[kPMSleepSystem].count0 = 0;
        !            79:     fMethods[kPMSleepSystem].count1 = 0;
        !            80:     fMethods[kPMSleepSystem].flags = kIOUCScalarIScalarO;
        !            81: 
        !            82:     fMethods[kPMWakeSystem].object = provider;
        !            83:     fMethods[kPMWakeSystem].func = (IOMethod)&IOPMrootDomain::wakeSystem;
        !            84:     fMethods[kPMWakeSystem].count0 = 0;
        !            85:     fMethods[kPMWakeSystem].count1 = 0;
        !            86:     fMethods[kPMWakeSystem].flags = kIOUCScalarIScalarO;
        !            87: 
        !            88:     return true;
        !            89: }
        !            90: 
        !            91: 
        !            92: IOReturn RootDomainUserClient::clientClose( void )
        !            93: {
        !            94:     detach( fOwner);
        !            95: 
        !            96:     return kIOReturnSuccess;
        !            97: }
        !            98: 
        !            99: IOReturn RootDomainUserClient::clientDied( void )
        !           100: {
        !           101:     return( clientClose());
        !           102: }
        !           103: 
        !           104: IOExternalMethod *
        !           105: RootDomainUserClient::getExternalMethodForIndex( UInt32 index )
        !           106: {
        !           107:     if(index >= kNumPMMethods)
        !           108:        return NULL;
        !           109:     else
        !           110:         return &fMethods[index];
        !           111: }
        !           112: 
        !           113: IOReturn
        !           114: RootDomainUserClient::registerNotificationPort(
        !           115:             mach_port_t port, UInt32 type )
        !           116: {
        !           117:     return kIOReturnUnsupported;
        !           118: }
        !           119: 

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