1/* 2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28/* 29 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. 30 * 31 * HISTORY 32 * 33 */ 34 35#ifndef _OS_OSBASE_H 36#define _OS_OSBASE_H 37 38#include <sys/cdefs.h> 39 40#include <libkern/OSTypes.h> 41 42#include <stdint.h> 43 44__BEGIN_DECLS 45 46#ifdef KERNEL_PRIVATE 47 48OS_INLINE 49uint64_t 50__OSAbsoluteTime( 51 AbsoluteTime abstime) 52{ 53 return (*(uint64_t *)&abstime); 54} 55 56OS_INLINE 57uint64_t * 58__OSAbsoluteTimePtr( 59 AbsoluteTime *abstime) 60{ 61 return ((uint64_t *)abstime); 62} 63 64#define AbsoluteTime_to_scalar(x) (*(uint64_t *)(x)) 65 66/* t1 < = > t2 */ 67#define CMP_ABSOLUTETIME(t1, t2) \ 68 (AbsoluteTime_to_scalar(t1) > \ 69 AbsoluteTime_to_scalar(t2)? (int)+1 : \ 70 (AbsoluteTime_to_scalar(t1) < \ 71 AbsoluteTime_to_scalar(t2)? (int)-1 : 0)) 72 73/* t1 += t2 */ 74#define ADD_ABSOLUTETIME(t1, t2) \ 75 (AbsoluteTime_to_scalar(t1) += \ 76 AbsoluteTime_to_scalar(t2)) 77 78/* t1 -= t2 */ 79#define SUB_ABSOLUTETIME(t1, t2) \ 80 (AbsoluteTime_to_scalar(t1) -= \ 81 AbsoluteTime_to_scalar(t2)) 82 83#define ADD_ABSOLUTETIME_TICKS(t1, ticks) \ 84 (AbsoluteTime_to_scalar(t1) += \ 85 (int32_t)(ticks)) 86 87#endif /* KERNEL_PRIVATE */ 88 89__END_DECLS 90 91#endif /* _OS_OSBASE_H */ 92