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			53 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			53 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Declarations and macros for the basic Mach things set at startup.
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|    Copyright (C) 1993-2017 Free Software Foundation, Inc.
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|    This file is part of the GNU C Library.
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| 
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|    The GNU C Library is free software; you can redistribute it and/or
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|    modify it under the terms of the GNU Lesser General Public
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|    License as published by the Free Software Foundation; either
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|    version 2.1 of the License, or (at your option) any later version.
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| 
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|    The GNU C Library is distributed in the hope that it will be useful,
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|    but WITHOUT ANY WARRANTY; without even the implied warranty of
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|    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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|    Lesser General Public License for more details.
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| 
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|    You should have received a copy of the GNU Lesser General Public
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|    License along with the GNU C Library; if not, see
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|    <http://www.gnu.org/licenses/>.  */
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| 
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| #ifndef	_MACH_INIT_H
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| 
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| #define	_MACH_INIT_H	1
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| 
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| #include <mach/mach_types.h>
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| 
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| /* Return the current task's task port.  */
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| extern mach_port_t __mach_task_self (void);
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| extern mach_port_t mach_task_self (void);
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| 
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| /* This cache is initialized at startup.  */
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| extern mach_port_t __mach_task_self_;
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| #define __mach_task_self()	(__mach_task_self_ + 0)	/* Not an lvalue.  */
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| #define mach_task_self()	(__mach_task_self ())
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| 
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| /* This cache is initialized at startup.  */
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| extern mach_port_t __mach_host_self_;
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| #define __mach_host_self()	(__mach_host_self_ + 0)	/* Not an lvalue.  */
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| #define mach_host_self()	(__mach_host_self ())
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| 
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| /* Kernel page size.  */
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| extern vm_size_t __vm_page_size;
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| extern vm_size_t vm_page_size;
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| 
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| /* Round the address X up to a page boundary.  */
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| #define round_page(x)	\
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|   ((((vm_offset_t) (x) + __vm_page_size - 1) / __vm_page_size) * \
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|    __vm_page_size)
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| 
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| /* Truncate the address X down to a page boundary.  */
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| #define trunc_page(x)	\
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|   ((((vm_offset_t) (x)) / __vm_page_size) * __vm_page_size)
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| 
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| #endif	/* mach_init.h */
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