diff options
Diffstat (limited to 'REORG.TODO/mach/mach_init.h')
| -rw-r--r-- | REORG.TODO/mach/mach_init.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/REORG.TODO/mach/mach_init.h b/REORG.TODO/mach/mach_init.h new file mode 100644 index 0000000000..7e1bc42c68 --- /dev/null +++ b/REORG.TODO/mach/mach_init.h @@ -0,0 +1,52 @@ +/* Declarations and macros for the basic Mach things set at startup. + Copyright (C) 1993-2017 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 ()) + +/* This cache is initialized at startup. */ +extern mach_port_t __mach_host_self_; +#define __mach_host_self() (__mach_host_self_ + 0) /* Not an lvalue. */ +#define mach_host_self() (__mach_host_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 */ |