X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/55e303ae13a4cf49d70f2294092726f2fffb9ef2..5eebf7385fedb1517b66b53c28e5aa6bb0a2be50:/iokit/Kernel/IOUserClient.cpp diff --git a/iokit/Kernel/IOUserClient.cpp b/iokit/Kernel/IOUserClient.cpp index 9739846e0..bb74fff3e 100644 --- a/iokit/Kernel/IOUserClient.cpp +++ b/iokit/Kernel/IOUserClient.cpp @@ -3,22 +3,19 @@ * * @APPLE_LICENSE_HEADER_START@ * - * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. + * The contents of this file constitute Original Code as defined in and + * are subject to the Apple Public Source License Version 1.1 (the + * "License"). You may not use this file except in compliance with the + * License. Please obtain a copy of the License at + * http://www.apple.com/publicsource and read it before using this file. * - * 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 + * This 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. + * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the + * License for the specific language governing rights and limitations + * under the License. * * @APPLE_LICENSE_HEADER_END@ */ @@ -386,7 +383,7 @@ class IOServiceUserNotification : public IOUserNotification OSNotificationHeader notifyHeader; }; - enum { kMaxOutstanding = 256 }; + enum { kMaxOutstanding = 1024 }; PingMsg * pingMsg; vm_size_t msgSize; @@ -1968,6 +1965,33 @@ kern_return_t is_io_connect_map_memory( return( err ); } +IOMemoryMap * IOUserClient::removeMappingForDescriptor(IOMemoryDescriptor * mem) +{ + OSIterator * iter; + IOMemoryMap * map = 0; + + IOLockLock(gIOObjectPortLock); + + iter = OSCollectionIterator::withCollection(mappings); + if(iter) + { + while ((map = OSDynamicCast(IOMemoryMap, iter->getNextObject()))) + { + if(mem == map->getMemoryDescriptor()) + { + map->retain(); + mappings->removeObject(map); + break; + } + } + iter->release(); + } + + IOLockUnlock(gIOObjectPortLock); + + return (map); +} + kern_return_t is_io_connect_unmap_memory( io_object_t connect, int type,