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Annotation of XNU/osfmk/kern/cpu_data.h, revision 1.1.1.1

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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