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1.1 ! root 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 [email protected] ! 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: * File: mach/boolean.h ! 28: * ! 29: * Boolean data type. ! 30: * ! 31: */ ! 32: ! 33: #ifndef _MACH_BOOLEAN_H_ ! 34: #define _MACH_BOOLEAN_H_ ! 35: ! 36: /* ! 37: * Pick up "boolean_t" type definition ! 38: */ ! 39: ! 40: #ifndef ASSEMBLER ! 41: #include <mach/machine/boolean.h> ! 42: #endif /* ASSEMBLER */ ! 43: ! 44: #endif /* _MACH_BOOLEAN_H_ */ ! 45: ! 46: /* ! 47: * Define TRUE and FALSE, only if they haven't been before, ! 48: * and not if they're explicitly refused. Note that we're ! 49: * outside the BOOLEAN_H_ conditional, to avoid ordering ! 50: * problems. ! 51: */ ! 52: ! 53: #if !defined(NOBOOL) ! 54: ! 55: #ifndef TRUE ! 56: #define TRUE ((boolean_t) 1) ! 57: #endif /* TRUE */ ! 58: ! 59: #ifndef FALSE ! 60: #define FALSE ((boolean_t) 0) ! 61: #endif /* FALSE */ ! 62: ! 63: #endif /* !defined(NOBOOL) */
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