mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-27 05:00:15 +00:00
49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
|
/* Declarations and macros for the basic Mach things set at startup.
|
||
|
|
Copyright (C) 1993, 1994 Free Software Foundation, Inc.
|
||
|
|
This file is part of the GNU C Library.
|
||
|
|
|
||
|
|
The GNU C Library is free software; you can redistribute it and/or
|
||
|
|
modify it under the terms of the GNU Library General Public License as
|
||
|
|
published by the Free Software Foundation; either version 2 of the
|
||
|
|
License, or (at your option) any later version.
|
||
|
|
|
||
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
Library General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Library General Public
|
||
|
|
License along with the GNU C Library; see the file COPYING.LIB. If
|
||
|
|
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
|
||
|
|
Cambridge, MA 02139, USA. */
|
||
|
|
|
||
|
|
#ifndef _MACH_INIT_H
|
||
|
|
|
||
|
|
#define _MACH_INIT_H 1
|
||
|
|
|
||
|
|
#include <mach/mach_types.h>
|
||
|
|
|
||
|
|
/* Return the current task's task port. */
|
||
|
|
extern mach_port_t __mach_task_self (void);
|
||
|
|
extern mach_port_t mach_task_self (void);
|
||
|
|
|
||
|
|
/* This cache is initialized at startup. */
|
||
|
|
extern mach_port_t __mach_task_self_;
|
||
|
|
#define __mach_task_self() (__mach_task_self_ + 0) /* Not an lvalue. */
|
||
|
|
#define mach_task_self() (__mach_task_self ())
|
||
|
|
|
||
|
|
/* Kernel page size. */
|
||
|
|
extern vm_size_t __vm_page_size;
|
||
|
|
extern vm_size_t vm_page_size;
|
||
|
|
|
||
|
|
/* Round the address X up to a page boundary. */
|
||
|
|
#define round_page(x) \
|
||
|
|
((((vm_offset_t) (x) + __vm_page_size - 1) / __vm_page_size) * \
|
||
|
|
__vm_page_size)
|
||
|
|
|
||
|
|
/* Truncate the address X down to a page boundary. */
|
||
|
|
#define trunc_page(x) \
|
||
|
|
((((vm_offset_t) (x)) / __vm_page_size) * __vm_page_size)
|
||
|
|
|
||
|
|
#endif /* mach_init.h */
|