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Annotation of XNU/osfmk/kern/host_statistics.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*
        !            23:  * @OSF_COPYRIGHT@
        !            24:  */
        !            25: /*
        !            26:  *     kern/host_statistics.h
        !            27:  *
        !            28:  *     Definitions for host VM/event statistics data structures.
        !            29:  *
        !            30:  */
        !            31: 
        !            32: #ifndef        _KERN_HOST_STATISTICS_H_
        !            33: #define _KERN_HOST_STATISTICS_H_
        !            34: 
        !            35: #include <mach/vm_statistics.h>
        !            36: #include <kern/cpu_number.h>
        !            37: #include <kern/sched_prim.h>
        !            38: 
        !            39: extern vm_statistics_data_t    vm_stat[];
        !            40: 
        !            41: #define        VM_STAT(event)                                                  \
        !            42: MACRO_BEGIN                                                            \
        !            43:        mp_disable_preemption();                                        \
        !            44:        vm_stat[cpu_number()].event;                                    \
        !            45:        mp_enable_preemption();                                         \
        !            46: MACRO_END
        !            47: 
        !            48: #endif /* _KERN_HOST_STATISTICS_H_ */

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