Files
mckernel/kernel/include/mman.h
NAKAMURA Gou 11bb334bd4 support mremap(2)
fixes #22
2014-07-02 15:30:52 +09:00

73 lines
1.4 KiB
C

/**
* \file mman.h
* License details are found in the file LICENSE.
* \brief
* memory management declarations
* \author Gou Nakamura <go.nakamura.yw@hitachi-solutions.com> \par
* Copyright (C) 2013 Hitachi, Ltd.
*/
/*
* HISTORY:
*/
#ifndef HEADER_MMAN_H
#define HEADER_MMAN_H
/*
* memory protection
*/
#define PROT_NONE 0
#define PROT_READ 0x01
#define PROT_WRITE 0x02
#define PROT_EXEC 0x04
/* for mprotect */
#define PROT_GROWSDOWN 0x01000000
#define PROT_GROWSUP 0x02000000
/*
* mapping flags
*/
#define MAP_SHARED 0x01
#define MAP_PRIVATE 0x02
#define MAP_FIXED 0x10
#define MAP_ANONYMOUS 0x20
#define MAP_32BIT 0x40
#define MAP_GROWSDOWN 0x0100
#define MAP_DENYWRITE 0x0800
#define MAP_EXECUTABLE 0x1000
#define MAP_LOCKED 0x2000
#define MAP_NORESERVE 0x4000
#define MAP_POPULATE 0x8000
#define MAP_NONBLOCK 0x00010000
#define MAP_STACK 0x00020000
#define MAP_HUGETLB 0x00040000
/*
* memory advice
*/
#define MADV_NORMAL 0
#define MADV_RANDOM 1
#define MADV_SEQUENTIAL 2
#define MADV_WILLNEED 3
#define MADV_DONTNEED 4
#define MADV_REMOVE 9
#define MADV_DONTFORK 10
#define MADV_DOFORK 11
#define MADV_MERGEABLE 12
#define MADV_UNMERGEABLE 13
#define MADV_HUGEPAGE 14
#define MADV_NOHUGEPAGE 15
#define MADV_DONTDUMP 16
#define MADV_DODUMP 17
#define MADV_HWPOISON 100
#define MADV_SOFT_OFFLINE 101
/*
* for mremap()
*/
#define MREMAP_MAYMOVE 0x01
#define MREMAP_FIXED 0x02
#endif /* HEADER_MMAN_H */