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/* Definitions for POSIX memory map interface. OpenSolaris version.
Copyright (C) 1997, 2000, 2003, 2005, 2006, 2008
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _SYS_MMAN_H
# error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
#endif
/* Protections are chosen from these bits, OR'd together. The
implementation does not necessarily support PROT_EXEC or PROT_WRITE
without PROT_READ. The only guarantees are that no writing will be
allowed without PROT_WRITE and no access will be allowed for PROT_NONE. */
#define PROT_READ 0x1 /* Page can be read. */
#define PROT_WRITE 0x2 /* Page can be written. */
#define PROT_EXEC 0x4 /* Page can be executed. */
#define PROT_NONE 0x0 /* Page can not be accessed. */
/* Sharing types (must choose one and only one of these). */
#define MAP_SHARED 0x01 /* Share changes. */
#define MAP_PRIVATE 0x02 /* Changes are private. */
#ifdef __USE_MISC
# define MAP_TYPE 0x0f /* Mask for type of mapping. */
#endif
/* Other flags. */
#define MAP_FIXED 0x10 /* Interpret addr exactly. */
#ifdef __USE_MISC
# define MAP_FILE 0
# define MAP_ANONYMOUS 0x100 /* Don't use a file. */
# define MAP_ANON MAP_ANONYMOUS
#endif
/* These are OpenSolaris-specific. */
#ifdef __USE_MISC
# define MAP_NORESERVE 0x40 /* Don't check for reservations. */
# define MAP_ALIGN 0x200 /* Address specifies alignment. */
# define MAP_TEXT 0x200 /* Map code segment. */
# define MAP_INITDATA 0x800 /* Map data segment. */
# define MAP_RENAME 0x20 /* Rename private pages to file. */
# define _MAP_NEW 0x80000000 /* Never use this. */
#endif
/* Flags to `msync'. */
#define MS_ASYNC 1 /* Sync memory asynchronously. */
#define MS_SYNC 4 /* Synchronous memory sync. */
#define MS_INVALIDATE 2 /* Invalidate the caches. */
/* These are OpenSolaris-specific. */
#ifdef __USE_MISC
/* mctl functions */
# define MC_SYNC 1
# define MC_LOCK 2
# define MC_UNLOCK 3
# define MC_ADVISE 4
# define MC_LOCKAS 5
# define MC_UNLOCKAS 6
# define MC_HAT_ADVISE 7
/* MC_HAT_ADVISE arg */
# define MHA_MAPSIZE_VA 0x1
# define MHA_MAPSIZE_BSSBRK 0x2
# define MHA_MAPSIZE_STACK 0x3
# include <sys/types.h>
# define MISYS_MEMINFO 0x0
typedef struct meminfo
{
const uint64_t *mi_inaddr;
const unsigned int *mi_info_req;
uint64_t *mi_outdata;
unsigned int *mi_validity;
int mi_info_count;
} meminfo_t;
/* info_req field */
# define MEMINFO_SHIFT 16
# define MEMINFO_MASK (0xFF << MEMINFO_SHIFT)
# define MEMINFO_VPHYSICAL (0x01 << MEMINFO_SHIFT)
# define MEMINFO_VLGRP (0x02 << MEMINFO_SHIFT)
# define MEMINFO_VPAGESIZE (0x03 << MEMINFO_SHIFT)
# define MEMINFO_VREPLCNT (0x04 << MEMINFO_SHIFT)
# define MEMINFO_VREPL (0x05 << MEMINFO_SHIFT)
# define MEMINFO_VREPL_LGRP (0x06 << MEMINFO_SHIFT)
# define MEMINFO_PLGRP (0x07 << MEMINFO_SHIFT)
/* max address count for meminfo */
# define MAX_MEMINFO_CNT 256
/* max request types */
# define MAX_MEMINFO_REQ 31
#endif /* __USE_MISC */
/* Flags for `mlockall'. */
#define MCL_CURRENT 1 /* Lock all currently mapped pages. */
#define MCL_FUTURE 2 /* Lock all additions to address
space. */
/* Flags for `mremap'. */
#ifdef __USE_GNU
# define MREMAP_MAYMOVE 1
# define MREMAP_FIXED 2
#endif
/* Advice to `madvise'. */
#ifdef __USE_MISC
# define MADV_NORMAL 0 /* No further special treatment. */
# define MADV_RANDOM 1 /* Expect random page references. */
# define MADV_SEQUENTIAL 2 /* Expect sequential page references. */
# define MADV_WILLNEED 3 /* Will need these pages. */
# define MADV_DONTNEED 4 /* Don't need these pages. */
# define MADV_REMOVE 9 /* Remove these pages and resources. */
# define MADV_DONTFORK 10 /* Do not inherit across fork. */
# define MADV_DOFORK 11 /* Do inherit across fork. */
#endif
/* These are OpenSolaris-specific. */
#ifdef __USE_MISC
# define MADV_FREE 5
# define MADV_ACCESS_DEFAULT 6
# define MADV_ACCESS_LWP 7
# define MADV_ACCESS_MANY 8
#endif
/* The POSIX people had to invent similar names for the same things. */
#ifdef __USE_XOPEN2K
# define POSIX_MADV_NORMAL 0 /* No further special treatment. */
# define POSIX_MADV_RANDOM 1 /* Expect random page references. */
# define POSIX_MADV_SEQUENTIAL 2 /* Expect sequential page references. */
# define POSIX_MADV_WILLNEED 3 /* Will need these pages. */
# define POSIX_MADV_DONTNEED 4 /* Don't need these pages. */
#endif
#ifdef __USE_MISC
# define PROC_TEXT (PROT_EXEC | PROT_READ)
# define PROC_DATA (PROT_READ | PROT_WRITE | PROT_EXEC)
/* GNU lbc (and probably others) use SHARED internally. */
# ifndef _GNU_SOURCE
# define SHARED 0x10
# define PRIVATE 0x20
# endif
# define VALID_ATTR (PROT_READ | PROT_WRITE | PROT_EXEC | SHARED | PRIVATE)
#endif
struct memcntl_mha
{
unsigned int mha_cmd;
unsigned int mha_flags;
size_t mha_pagesize;
};
__BEGIN_DECLS
#if defined __USE_MISC
extern int getpagesizes (size_t *__pagesize, int __nelem);
extern int getpagesizes2 (size_t *__pagesize, int __nelem);
extern int meminfo (const uint64_t *__inaddr, int,
const unsigned int *__addr_count, int __info_req, uint64_t *__info_count,
unsigned int *__outdata);
extern int memcntl (__caddr_t addr, size_t len, int cmd, __caddr_t arg,
int attr, int mask);
#endif
__END_DECLS
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