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Convert caddr_t --> void * for sys/mman.h functions.

Browse Source 
mlock, mmap, mprotect, msync, munlock, and munmap are defined by
POSIX as taking void *.  The const modifier has been added to
mlock, munlock, and mprotect as the standard dictates.

minherit comes from OpenBSD and has been updated to conform with
their recent change to void *.

madvise and mincore are not defined by POSIX, but their arguments
have been modified to be consistent with the POSIX-defined functions.
mincore takes a const pointer, but madvise does not due to the
MADV_FREE case.

Discussed with:	bde
This commit is contained in:
Alexander Langer 1997-12-31 01:22:01 +00:00
parent 00c5ae6b03
commit 7167d5b04c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=32131
11 changed files with 29 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
lib/libc/sys/madvise.2
View File

@ -30,7 +30,7 @@
.\" SUCH DAMAGE.
.\"
.\" @(#)madvise.2 8.1 (Berkeley) 6/9/93
.\" $Id: madvise.2,v 1.10 1997/02/22 15:04:03 peter Exp $
.\" $Id: madvise.2,v 1.11 1997/12/30 05:17:33 alex Exp $
.\"
.Dd Jul 19, 1996
.Dt MADVISE 2
@ -42,7 +42,7 @@
.Fd #include <sys/types.h>
.Fd #include <sys/mman.h>
.Ft int
.Fn madvise "caddr_t addr" "size_t len" "int behav"
.Fn madvise "void *addr" "size_t len" "int behav"
.Sh DESCRIPTION
The
.Fn madvise

4
lib/libc/sys/mincore.2
View File

@ -30,7 +30,7 @@
.\" SUCH DAMAGE.
.\"
.\" @(#)mincore.2 8.1 (Berkeley) 6/9/93
.\" $Id: mincore.2,v 1.8 1997/02/22 15:04:05 peter Exp $
.\" $Id: mincore.2,v 1.9 1997/12/30 04:05:47 alex Exp $
.\"
.Dd June 9, 1993
.Dt MINCORE 2
@ -42,7 +42,7 @@
.Fd #include <sys/types.h>
.Fd #include <sys/mman.h>
.Ft int
.Fn mincore "caddr_t addr" "size_t len" "char *vec"
.Fn mincore "const void *addr" "size_t len" "char *vec"
.Sh DESCRIPTION
The
.Fn mincore

4
lib/libc/sys/minherit.2
View File

@ -1,4 +1,4 @@
.\" $Id$
.\" $Id: minherit.2,v 1.4 1997/02/22 15:04:06 peter Exp $
.\"
.\" Copyright (c) 1991, 1993
.\" The Regents of the University of California. All rights reserved.
@ -43,7 +43,7 @@
.Fd #include <sys/types.h>
.Fd #include <sys/mman.h>
.Ft int
.Fn minherit "caddr_t addr" "size_t len" "int inherit"
.Fn minherit "void *addr" "size_t len" "int inherit"
.Sh DESCRIPTION
The
.Fn minherit

4
lib/libc/sys/mlock.2
View File

@ -42,9 +42,9 @@
.Fd #include <sys/types.h>
.Fd #include <sys/mman.h>
.Ft int
.Fn mlock "caddr_t addr" "size_t len"
.Fn mlock "const void *addr" "size_t len"
.Ft int
.Fn munlock "caddr_t addr" "size_t len"
.Fn munlock "const void *addr" "size_t len"
.Sh DESCRIPTION
The
.Fn mlock

4
lib/libc/sys/mmap.2
View File

@ -40,8 +40,8 @@
.Sh SYNOPSIS
.Fd #include <sys/types.h>
.Fd #include <sys/mman.h>
.Ft caddr_t
.Fn mmap "caddr_t addr" "size_t len" "int prot" "int flags" "int fd" "off_t offset"
.Ft void *
.Fn mmap "void * addr" "size_t len" "int prot" "int flags" "int fd" "off_t offset"
.Sh DESCRIPTION
The
.Fn mmap

6
lib/libc/sys/mmap.c
View File

@ -43,9 +43,9 @@ static char sccsid[] = "@(#)mmap.c 8.1 (Berkeley) 6/17/93";
* This function provides 64-bit offset padding that
* is not supplied by GCC 1.X but is supplied by GCC 2.X.
*/
caddr_t
void *
mmap(addr, len, prot, flags, fd, offset)
caddr_t addr;
void * addr;
size_t len;
int prot;
int flags;
@ -53,6 +53,6 @@ mmap(addr, len, prot, flags, fd, offset)
off_t offset;
{
return((caddr_t)__syscall((quad_t)SYS_mmap, addr, len, prot, flags,
return((void *)__syscall((quad_t)SYS_mmap, addr, len, prot, flags,
fd, 0, offset));
}

2
lib/libc/sys/mprotect.2
View File

@ -41,7 +41,7 @@
.Fd #include <sys/types.h>
.Fd #include <sys/mman.h>
.Ft int
.Fn mprotect "caddr_t addr" "size_t len" "int prot"
.Fn mprotect "const void *addr" "size_t len" "int prot"
.Sh DESCRIPTION
The
.Fn mprotect

2
lib/libc/sys/msync.2
View File

@ -41,7 +41,7 @@
.Fd #include <sys/types.h>
.Fd #include <sys/mman.h>
.Ft int
.Fn msync "caddr_t addr" "size_t len" "int flags"
.Fn msync "void *addr" "size_t len" "int flags"
.Sh DESCRIPTION
The
.Fn msync

2
lib/libc/sys/munmap.2
View File

@ -41,7 +41,7 @@
.Fd #include <sys/types.h>
.Fd #include <sys/mman.h>
.Ft int
.Fn munmap "caddr_t addr" "size_t len"
.Fn munmap "void *addr" "size_t len"
.Sh DESCRIPTION
The
.Fn munmap

22
sys/sys/mman.h
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)mman.h 8.2 (Berkeley) 1/9/95
* $Id: mman.h,v 1.18 1997/04/13 15:38:09 bde Exp $
* $Id: mman.h,v 1.19 1997/12/02 21:30:03 dyson Exp $
*/
#ifndef _SYS_MMAN_H_
@ -66,7 +66,7 @@
/*
* Error return from mmap()
*/
#define MAP_FAILED ((caddr_t)-1)
#define MAP_FAILED ((void *)-1)
/*
* msync() flags
@ -105,18 +105,18 @@
#include <sys/cdefs.h>
__BEGIN_DECLS
int madvise __P((void *, size_t, int));
int mincore __P((const void *, size_t, char *));
int minherit __P((void *, size_t, int));
int mlock __P((const void *, size_t));
#ifndef _MMAP_DECLARED
#define _MMAP_DECLARED
caddr_t mmap __P((caddr_t, size_t, int, int, int, off_t));
void * mmap __P((void *, size_t, int, int, int, off_t));
#endif
int mprotect __P((caddr_t, size_t, int));
int munmap __P((caddr_t, size_t));
int msync __P((caddr_t, size_t, int));
int mlock __P((caddr_t, size_t));
int munlock __P((caddr_t, size_t));
int madvise __P((caddr_t, size_t, int));
int mincore __P((caddr_t, size_t, char *));
int minherit __P((caddr_t, size_t, int));
int mprotect __P((const void *, size_t, int));
int msync __P((void *, size_t, int));
int munlock __P((const void *, size_t));
int munmap __P((void *, size_t));
__END_DECLS
#endif /* !KERNEL */

4
sys/sys/types.h
View File

@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)types.h 8.6 (Berkeley) 2/19/95
* $Id: types.h,v 1.20 1997/04/13 15:38:10 bde Exp $
* $Id: types.h,v 1.21 1997/05/08 13:50:36 peter Exp $
*/
#ifndef _SYS_TYPES_H_
@ -172,7 +172,7 @@ off_t lseek __P((int, off_t, int));
#endif
#ifndef _MMAP_DECLARED
#define _MMAP_DECLARED
caddr_t mmap __P((caddr_t, size_t, int, int, int, off_t));
void * mmap __P((void *, size_t, int, int, int, off_t));
#endif
#ifndef _TRUNCATE_DECLARED
#define _TRUNCATE_DECLARED