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Annotation of XNU/osfmk/kern/cpu_data.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: #ifndef        _CPU_DATA_H_
        !            27: #define        _CPU_DATA_H_
        !            28: 
        !            29: #ifdef MACH_KERNEL_PRIVATE
        !            30: #include <cpus.h>
        !            31: #include <mach/mach_types.h>
        !            32: 
        !            33: typedef struct
        !            34: {
        !            35:        thread_t        active_thread;
        !            36:        int             preemption_level;
        !            37:        int             simple_lock_count;
        !            38:        int             interrupt_level;
        !            39: #ifdef __I386__
        !            40:        int             cpu_number;             /* Logical CPU number */
        !            41:        int             cpu_phys_number;        /* Physical CPU Number */
        !            42: #endif
        !            43: } cpu_data_t;
        !            44: 
        !            45: extern cpu_data_t      cpu_data[NCPUS];
        !            46: 
        !            47: #include <machine/cpu_data.h>
        !            48: 
        !            49: #else /* !MACH_KERNEL_PRIVATE */
        !            50: 
        !            51: extern thread_t                                        current_thread(void);
        !            52: #define get_preemption_level()                 _get_preeption_level()
        !            53: #define get_simple_lock_count()                        _get_simple_lock_count()
        !            54: #define disable_preemption()                   _disable_preemption()
        !            55: #define enable_preemption()                    _enable_preemption()
        !            56: #define enable_preemption_no_check()           _enable_preemption_no_check()
        !            57: #define mp_disable_preemption()                        _mp_disable_preemption()
        !            58: #define mp_enable_preemption()                 _mp_enable_preemption()
        !            59: #define mp_enable_preemption_no_check()                _mp_enable_preemption_no_check()
        !            60: 
        !            61: #endif /* !MACH_KERNEL_PRIVATE */
        !            62: 
        !            63: #endif /* _CPU_DATA_H_ */

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