2001-03-06 05:29:24 +08:00
|
|
|
/* sys/mman.h
|
|
|
|
|
|
2011-01-12 21:01:43 +08:00
|
|
|
Copyright 1996, 1997, 1998, 2000, 2001, 2003, 2005, 2007, 2011 Red Hat, Inc.
|
2001-03-06 05:29:24 +08:00
|
|
|
|
|
|
|
|
This file is part of Cygwin.
|
|
|
|
|
|
|
|
|
|
This software is a copyrighted work licensed under the terms of the
|
|
|
|
|
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
|
|
|
|
|
details. */
|
|
|
|
|
|
2000-02-18 03:38:33 +08:00
|
|
|
#ifndef _SYS_MMAN_H_
|
|
|
|
|
#define _SYS_MMAN_H_
|
|
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
|
extern "C" {
|
|
|
|
|
#endif /* __cplusplus */
|
|
|
|
|
|
|
|
|
|
#include <stddef.h>
|
|
|
|
|
#include <sys/types.h>
|
|
|
|
|
|
|
|
|
|
#define PROT_NONE 0
|
|
|
|
|
#define PROT_READ 1
|
|
|
|
|
#define PROT_WRITE 2
|
|
|
|
|
#define PROT_EXEC 4
|
|
|
|
|
|
|
|
|
|
#define MAP_FILE 0
|
|
|
|
|
#define MAP_SHARED 1
|
|
|
|
|
#define MAP_PRIVATE 2
|
|
|
|
|
#define MAP_TYPE 0xF
|
|
|
|
|
#define MAP_FIXED 0x10
|
|
|
|
|
#define MAP_ANONYMOUS 0x20
|
|
|
|
|
#define MAP_ANON MAP_ANONYMOUS
|
2005-03-08 17:18:47 +08:00
|
|
|
/* Non-standard flag */
|
2005-11-29 06:32:29 +08:00
|
|
|
#define MAP_NORESERVE 0x4000 /* Don't reserve swap space for this mapping.
|
|
|
|
|
Page protection must be set explicitely
|
2005-11-30 00:28:05 +08:00
|
|
|
to access page. Only supported for anonymous
|
|
|
|
|
private mappings. */
|
2005-03-08 17:18:47 +08:00
|
|
|
#define MAP_AUTOGROW 0x8000 /* Grow underlying object to mapping size.
|
|
|
|
|
File must be opened for writing. */
|
2000-02-18 03:38:33 +08:00
|
|
|
|
2003-10-09 19:40:16 +08:00
|
|
|
#define MAP_FAILED ((void *)-1)
|
2000-10-05 07:17:01 +08:00
|
|
|
|
2000-02-18 03:38:33 +08:00
|
|
|
/*
|
|
|
|
|
* Flags for msync.
|
|
|
|
|
*/
|
|
|
|
|
#define MS_ASYNC 1
|
|
|
|
|
#define MS_SYNC 2
|
|
|
|
|
#define MS_INVALIDATE 4
|
|
|
|
|
|
2007-02-08 01:22:40 +08:00
|
|
|
/*
|
|
|
|
|
* Flags for posix_madvise.
|
|
|
|
|
*/
|
|
|
|
|
#define POSIX_MADV_NORMAL 0
|
|
|
|
|
#define POSIX_MADV_SEQUENTIAL 1
|
|
|
|
|
#define POSIX_MADV_RANDOM 2
|
|
|
|
|
#define POSIX_MADV_WILLNEED 3
|
|
|
|
|
#define POSIX_MADV_DONTNEED 4
|
|
|
|
|
|
2011-01-12 21:01:43 +08:00
|
|
|
/*
|
|
|
|
|
* Flags for madvise. BSD/Linux-specific.
|
|
|
|
|
*/
|
|
|
|
|
#define MADV_NORMAL 0
|
|
|
|
|
#define MADV_SEQUENTIAL 1
|
|
|
|
|
#define MADV_RANDOM 2
|
|
|
|
|
#define MADV_WILLNEED 3
|
|
|
|
|
#define MADV_DONTNEED 4
|
|
|
|
|
/* Deliberately don't define these Linux-specific flags. An application
|
|
|
|
|
expecting them to behave as defined would be in for a surprise. */
|
|
|
|
|
#if 0
|
|
|
|
|
#define MADV_REMOVE 5
|
|
|
|
|
#define MADV_DONTFORK 6
|
|
|
|
|
#define MADV_DOFORK 7
|
|
|
|
|
#define MADV_HWPOISON 8
|
|
|
|
|
#define MADV_SOFT_OFFLINE 9
|
|
|
|
|
#define MADV_MERGEABLE 10
|
|
|
|
|
#define MADV_UNMERGEABLE 11
|
|
|
|
|
#endif
|
|
|
|
|
|
2003-03-10 05:51:00 +08:00
|
|
|
#ifndef __INSIDE_CYGWIN__
|
2003-09-09 17:41:18 +08:00
|
|
|
extern void *mmap (void *__addr, size_t __len, int __prot, int __flags, int __fd, off_t __off);
|
2003-03-10 05:51:00 +08:00
|
|
|
#endif
|
2003-09-09 17:41:18 +08:00
|
|
|
extern int munmap (void *__addr, size_t __len);
|
|
|
|
|
extern int mprotect (void *__addr, size_t __len, int __prot);
|
|
|
|
|
extern int msync (void *__addr, size_t __len, int __flags);
|
2005-10-19 02:51:33 +08:00
|
|
|
extern int mlock (const void *__addr, size_t __len);
|
|
|
|
|
extern int munlock (const void *__addr, size_t __len);
|
2000-02-18 03:38:33 +08:00
|
|
|
|
2007-02-08 01:22:40 +08:00
|
|
|
extern int posix_madvise (void *__addr, size_t __len, int __advice);
|
2011-01-12 21:01:43 +08:00
|
|
|
extern int madvise (void *__addr, size_t __len, int __advice);
|
2007-02-08 01:22:40 +08:00
|
|
|
|
2007-02-08 21:36:53 +08:00
|
|
|
extern int shm_open (const char *__name, int __oflag, mode_t __mode);
|
|
|
|
|
extern int shm_unlink (const char *__name);
|
|
|
|
|
|
2000-02-18 03:38:33 +08:00
|
|
|
#ifdef __cplusplus
|
|
|
|
|
};
|
|
|
|
|
#endif /* __cplusplus */
|
|
|
|
|
|
|
|
|
|
#endif /* _SYS_MMAN_H_ */
|
