X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/d7e50217d7adf6e52786a38bcaa4cd698cb9a79e..bca245acd4c03fd752d1a45f011ad495e60fe53d:/iokit/IOKit/IOCommand.h diff --git a/iokit/IOKit/IOCommand.h b/iokit/IOKit/IOCommand.h index 4f42779ce..6cfd848c9 100644 --- a/iokit/IOKit/IOCommand.h +++ b/iokit/IOKit/IOCommand.h @@ -1,17 +1,20 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2019 Apple Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * @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. - * + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * 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, @@ -19,8 +22,8 @@ * 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@ + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* @@ -53,8 +56,6 @@ #include #include -class IOCommandPool; - /*! * @class IOCommand * @abstract @@ -64,20 +65,19 @@ class IOCommandPool; * from a device driver to a controller. All controller commands (e.g. IOATACommand) * should inherit from this class. */ - + class IOCommand : public OSObject { - OSDeclareAbstractStructors(IOCommand) - -protected: - virtual bool init(void); - + OSDeclareDefaultStructors(IOCommand); + public: + virtual bool init(void) APPLE_KEXT_OVERRIDE; + /*! @var fCommandChain - This variable is used by the current 'owner' to queue the command. During the life cycle of a command it moves through a series of queues. This is the queue pointer for it. Only valid while 'ownership' is clear. For instance a IOCommandPool uses this pointer to maintain its list of free commands. May be manipulated using the kern/queue.h macros */ - queue_chain_t fCommandChain; /* used to queue commands */ + * This variable is used by the current 'owner' to queue the command. During the life cycle of a command it moves through a series of queues. This is the queue pointer for it. Only valid while 'ownership' is clear. For instance a IOCommandPool uses this pointer to maintain its list of free commands. May be manipulated using the kern/queue.h macros */ + queue_chain_t fCommandChain; /* used to queue commands */ }; #endif /* defined(KERNEL) && defined(__cplusplus) */ -#endif /* _IOKIT_IO_COMMAND_H_ */ +#endif /* _IOKIT_IO_COMMAND_H_ */