mirror of
https://gitlab.com/sortix/sortix.git
synced 2023-02-13 20:55:38 -05:00
55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/*******************************************************************************
|
|
|
|
Copyright(C) Jonas 'Sortie' Termansen 2012.
|
|
|
|
This file is part of Sortix.
|
|
|
|
Sortix is free software: you can redistribute it and/or modify it under the
|
|
terms of the GNU General Public License as published by the Free Software
|
|
Foundation, either version 3 of the License, or (at your option) any later
|
|
version.
|
|
|
|
Sortix 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 General Public License for more
|
|
details.
|
|
|
|
You should have received a copy of the GNU General Public License along with
|
|
Sortix. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
sortix/mman.h
|
|
Memory management declarations.
|
|
|
|
*******************************************************************************/
|
|
|
|
#ifndef SORTIX_MMAN_H
|
|
#define SORTIX_MMAN_H
|
|
|
|
/* Note that not all combinations of the following may be possible on all
|
|
architectures. However, you do get at least as much access as you request. */
|
|
|
|
#define PROT_NONE (0)
|
|
|
|
/* Flags that control user-space access to memory. */
|
|
#define PROT_EXEC (1<<0)
|
|
#define PROT_WRITE (1<<1)
|
|
#define PROT_READ (1<<2)
|
|
#define PROT_USER (PROT_EXEC | PROT_WRITE | PROT_READ)
|
|
|
|
/* Flags that control kernel access to memory. */
|
|
#define PROT_KEXEC (1<<3)
|
|
#define PROT_KWRITE (1<<4)
|
|
#define PROT_KREAD (1<<5)
|
|
#define PROT_KERNEL (PROT_KEXEC | PROT_KWRITE | PROT_KREAD)
|
|
|
|
#define PROT_FORK (1<<6)
|
|
|
|
#define MAP_SHARED (1<<0)
|
|
#define MAP_PRIVATE (1<<1)
|
|
|
|
#define MAP_ANONYMOUS (1<<2)
|
|
#define MAP_FIXED (1<<3)
|
|
|
|
#define MAP_FAILED ((void*) -1)
|
|
|
|
#endif
|