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Annotation of kernel/mach/features.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: 
                     25: /*
                     26:  * Mach Operating System
                     27:  * Copyright (c) 1987 Carnegie-Mellon University
                     28:  * All rights reserved.  The CMU software License Agreement specifies
                     29:  * the terms and conditions for use and redistribution.
                     30:  *
                     31:  */
                     32: /*
                     33:  *  This file is used to pick up the various configuration options that affect
                     34:  *  the use of kernel include files by special user mode system applications.
                     35:  *
                     36:  *  The entire file (and hence all configuration symbols which it indirectly
                     37:  *  defines) is enclosed in the (KERNEL && !KERNEL_BUILD) conditional to
                     38:  *  prevent accidental interference with normal user applications.  Only
                     39:  *  special system applications need to know the precise layout of 
                     40:  *  internal kernel structures and they will explicitly set the appropriate 
                     41:  *  flags to obtain the proper environment.
                     42:  */
                     43: 
                     44: #ifndef        _MACH_FEATURES_H_
                     45: #define        _MACH_FEATURES_H_
                     46: 
                     47: #ifdef KERNEL
                     48: 
                     49: #ifdef KERNEL_BUILD
                     50: #import <meta_features.h>
                     51: 
                     52: #else  /* KERNEL_BUILD */
                     53: #import <machdep/machine/features.h>
                     54: 
                     55: #endif /* KERNEL_BUILD */
                     56: 
                     57: #endif /* KERNEL */
                     58: 
                     59: #endif /* _MACH_FEATURES_H_ */

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