| /* Declarations and macros for the basic Mach things set at startup. |
| Copyright (C) 1993-2014 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 Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #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 */ |
