freebsd-skq/sys/compat/linux/linux_mmap.h
Edward Tomasz Napierala 52c81be11a Add linux_madvise(2) instead of having Linux apps call the native
FreeBSD madvise(2) directly.  While some of the flag values match,
most don't.

PR:		kern/230160
Reported by:	markj
Reviewed by:	markj
Discussed with:	brooks, kib
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D25272
2020-06-20 18:29:22 +00:00

74 lines
2.8 KiB
C

/*-
* Copyright (c) 2004 Tim J. Robbins
* Copyright (c) 2002 Doug Rabson
* Copyright (c) 2000 Marcel Moolenaar
* Copyright (c) 1994-1995 Søren Schmidt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer
* in this position and unchanged.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _LINUX_MMAP_H_
#define _LINUX_MMAP_H_
/* mmap options */
#define LINUX_MAP_SHARED 0x0001
#define LINUX_MAP_PRIVATE 0x0002
#define LINUX_MAP_FIXED 0x0010
#define LINUX_MAP_ANON 0x0020
#define LINUX_MAP_32BIT 0x0040
#define LINUX_MAP_GROWSDOWN 0x0100
#define LINUX_PROT_GROWSDOWN 0x01000000
#define LINUX_PROT_GROWSUP 0x02000000
#define LINUX_MADV_NORMAL 0
#define LINUX_MADV_RANDOM 1
#define LINUX_MADV_SEQUENTIAL 2
#define LINUX_MADV_WILLNEED 3
#define LINUX_MADV_DONTNEED 4
#define LINUX_MADV_FREE 8
#define LINUX_MADV_REMOVE 9
#define LINUX_MADV_DONTFORK 10
#define LINUX_MADV_DOFORK 11
#define LINUX_MADV_MERGEABLE 12
#define LINUX_MADV_UNMERGEABLE 13
#define LINUX_MADV_HUGEPAGE 14
#define LINUX_MADV_NOHUGEPAGE 15
#define LINUX_MADV_DONTDUMP 16
#define LINUX_MADV_DODUMP 17
#define LINUX_MADV_WIPEONFORK 18
#define LINUX_MADV_KEEPONFORK 19
#define LINUX_MADV_HWPOISON 100
#define LINUX_MADV_SOFT_OFFLINE 101
int linux_mmap_common(struct thread *, uintptr_t, size_t, int, int,
int, off_t);
int linux_mprotect_common(struct thread *, uintptr_t, size_t, int);
int linux_madvise_common(struct thread *, uintptr_t, size_t, int);
#endif /* _LINUX_MMAP_H_ */