+++ /dev/null
-/*
- * Copyright (c) 2007 Apple Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-
-#include <mach/kern_return.h>
-#include <mach/mach_time.h>
-#include <stdint.h>
-
-extern void spin_lock(int *);
-extern void spin_unlock(int *);
-
-/* deprecated function stub */
-kern_return_t
-MKGetTimeBaseInfo(
- uint32_t *minAbsoluteTimeDelta,
- uint32_t *theAbsoluteTimeToNanosecondNumerator,
- uint32_t *theAbsoluteTimeToNanosecondDenominator,
- uint32_t *theProcessorToAbsoluteTimeNumerator,
- uint32_t *theProcessorToAbsoluteTimeDenominator
-) {
- static struct mach_timebase_info mti = {0};
- static int MKGetTimeBaseInfo_spin_lock = 0;
-
- if(mti.numer == 0) {
- kern_return_t err;
- spin_lock(&MKGetTimeBaseInfo_spin_lock);
- err = mach_timebase_info(&mti);
- spin_unlock(&MKGetTimeBaseInfo_spin_lock);
- if(err != KERN_SUCCESS)
- return err;
- }
- if(theAbsoluteTimeToNanosecondNumerator)
- *theAbsoluteTimeToNanosecondNumerator = mti.numer;
- if(theAbsoluteTimeToNanosecondDenominator)
- *theAbsoluteTimeToNanosecondDenominator = mti.denom;
- if(minAbsoluteTimeDelta)
- *minAbsoluteTimeDelta = 1;
- if(theProcessorToAbsoluteTimeNumerator)
- *theProcessorToAbsoluteTimeNumerator = 1;
- if(theProcessorToAbsoluteTimeDenominator)
- *theProcessorToAbsoluteTimeDenominator = 1;
- return KERN_SUCCESS;
-}