boolean.h

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    1 /* 
    2  * Mach Operating System
    3  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
    4  * All Rights Reserved.
    5  * 
    6  * Permission to use, copy, modify and distribute this software and its
    7  * documentation is hereby granted, provided that both the copyright
    8  * notice and this permission notice appear in all copies of the
    9  * software, derivative works or modified versions, and any portions
   10  * thereof, and that both notices appear in supporting documentation.
   11  * 
   12  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
   13  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
   14  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   15  * 
   16  * Carnegie Mellon requests users of this software to return to
   17  * 
   18  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   19  *  School of Computer Science
   20  *  Carnegie Mellon University
   21  *  Pittsburgh PA 15213-3890
   22  * 
   23  * any improvements or extensions that they make and grant Carnegie Mellon
   24  * the rights to redistribute these changes.
   25  */
   26 /*
   27  * HISTORY
   28  * $Log:        boolean.h,v $
   29  * Revision 2.4  93/01/14  17:41:23  danner
   30  *      Standardized include symbol name.
   31  *      [92/06/10            pds]
   32  * 
   33  * Revision 2.3  91/05/14  16:51:06  mrt
   34  *      Correcting copyright
   35  * 
   36  * Revision 2.2  91/02/05  17:31:38  mrt
   37  *      Changed to new Mach copyright
   38  *      [91/02/01  17:16:36  mrt]
   39  * 
   40  * Revision 2.1  89/08/03  15:59:35  rwd
   41  * Created.
   42  * 
   43  * Revision 2.4  89/02/25  18:12:08  gm0w
   44  *      Changes for cleanup.
   45  * 
   46  * Revision 2.3  89/02/07  00:51:34  mwyoung
   47  * Relocated from sys/boolean.h
   48  * 
   49  * Revision 2.2  88/08/24  02:23:06  mwyoung
   50  *      Adjusted include file references.
   51  *      [88/08/17  02:09:46  mwyoung]
   52  * 
   53  *
   54  * 18-Nov-87  Avadis Tevanian (avie) at Carnegie-Mellon University
   55  *      Header file fixup, purge history.
   56  *
   57  */
   58 /*
   59  *      File:   mach/boolean.h
   60  *
   61  *      Boolean data type.
   62  *
   63  */
   64 
   65 #ifndef _MACH_BOOLEAN_H_
   66 #define _MACH_BOOLEAN_H_
   67 
   68 /*
   69  *      Pick up "boolean_t" type definition
   70  */
   71 
   72 #ifndef ASSEMBLER
   73 #include <mach/machine/boolean.h>
   74 #endif  /* ASSEMBLER */
   75 
   76 #endif  /* _MACH_BOOLEAN_H_ */
   77 
   78 /*
   79  *      Define TRUE and FALSE, only if they haven't been before,
   80  *      and not if they're explicitly refused.  Note that we're
   81  *      outside the BOOLEAN_H_ conditional, to avoid ordering
   82  *      problems.
   83  */
   84 
   85 #if     (defined(KERNEL) || defined(EXPORT_BOOLEAN)) && !defined(NOBOOL)
   86 
   87 #ifndef TRUE
   88 #define TRUE    ((boolean_t) 1)
   89 #endif  /* TRUE */
   90 
   91 #ifndef FALSE
   92 #define FALSE   ((boolean_t) 0)
   93 #endif  /* FALSE */
   94 
   95 #endif  /* (defined(KERNEL) || defined(EXPORT_BOOLEAN)) && !defined(NOBOOL) */

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FreeBSD/Linux Kernel Cross Reference sys/mach/boolean.h

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sys/mach/boolean.h