1 /* 2 * Copyright 1991-1998 by Open Software Foundation, Inc. 3 * All Rights Reserved 4 * 5 * Permission to use, copy, modify, and distribute this software and 6 * its documentation for any purpose and without fee is hereby granted, 7 * provided that the above copyright notice appears in all copies and 8 * that both the copyright notice and this permission notice appear in 9 * supporting documentation. 10 * 11 * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE 12 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 13 * FOR A PARTICULAR PURPOSE. 14 * 15 * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR 16 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 17 * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, 18 * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION 19 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 20 */ 21 /* 22 * MkLinux 23 */ 24 /* CMU_HIST */ 25 /* 26 * Revision 2.3 91/05/14 16:44:49 mrt 27 * Correcting copyright 28 * 29 * Revision 2.2 91/02/05 17:28:09 mrt 30 * Changed to new Mach copyright 31 * [91/02/01 16:15:31 mrt] 32 * 33 * Revision 2.1 89/08/03 15:53:45 rwd 34 * Created. 35 * 36 * Revision 2.2 88/10/18 03:36:20 mwyoung 37 * Added a form of return that can be used within macros that 38 * does not result in "statement not reached" noise. 39 * [88/10/17 mwyoung] 40 * 41 * Add MACRO_BEGIN, MACRO_END. 42 * [88/10/11 mwyoung] 43 * 44 * Created. 45 * [88/10/08 mwyoung] 46 * 47 */ 48 /* CMU_ENDHIST */ 49 /* 50 * Mach Operating System 51 * Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University 52 * All Rights Reserved. 53 * 54 * Permission to use, copy, modify and distribute this software and its 55 * documentation is hereby granted, provided that both the copyright 56 * notice and this permission notice appear in all copies of the 57 * software, derivative works or modified versions, and any portions 58 * thereof, and that both notices appear in supporting documentation. 59 * 60 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 61 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 62 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 63 * 64 * Carnegie Mellon requests users of this software to return to 65 * 66 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 67 * School of Computer Science 68 * Carnegie Mellon University 69 * Pittsburgh PA 15213-3890 70 * 71 * any improvements or extensions that they make and grant Carnegie Mellon 72 * the rights to redistribute these changes. 73 */ 74 /* 75 */ 76 /* 77 * File: kern/macro_help.h 78 * 79 * Provide help in making lint-free macro routines 80 * 81 */ 82 83 #ifndef _KERN_MACRO_HELP_H_ 84 #define _KERN_MACRO_HELP_H_ 85 86 #ifdef lint 87 boolean_t NEVER; 88 boolean_t ALWAYS; 89 #else /* lint */ 90 #define NEVER FALSE 91 #define ALWAYS TRUE 92 #endif /* lint */ 93 94 #define MACRO_BEGIN do { 95 #define MACRO_END } while (NEVER) 96 97 #define MACRO_RETURN if (ALWAYS) return 98 99 #endif /* _KERN_MACRO_HELP_H_ */ 100