epoc32/include/stdapis/sys/mman.h
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:27:01 +0100
branchSymbian2
changeset 3 e1b950c65cb4
parent 0 061f57f2323e
child 4 837f303aceeb
permissions -rw-r--r--
Attempt to represent the S^2->S^3 header reorganisation as a series of "hg rename" operations
     1 /*-
     2  * Copyright (c) 1982, 1986, 1993
     3  *	The Regents of the University of California.  All rights reserved.
     4  * © Portions copyright (c) 2006 Symbian Software Ltd. All rights reserved.
     5  *
     6  * Redistribution and use in source and binary forms, with or without
     7  * modification, are permitted provided that the following conditions
     8  * are met:
     9  * 1. Redistributions of source code must retain the above copyright
    10  *    notice, this list of conditions and the following disclaimer.
    11  * 2. Redistributions in binary form must reproduce the above copyright
    12  *    notice, this list of conditions and the following disclaimer in the
    13  *    documentation and/or other materials provided with the distribution.
    14  * 4. Neither the name of the University nor the names of its contributors
    15  *    may be used to endorse or promote products derived from this software
    16  *    without specific prior written permission.
    17  *
    18  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
    19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
    22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    28  * SUCH DAMAGE.
    29  * © Portions copyright (c) 2007 Symbian Software Ltd. All rights reserved.
    30  *	@(#)mman.h	8.2 (Berkeley) 1/9/95
    31  * $FreeBSD: src/sys/sys/mman.h,v 1.40 2005/04/02 12:33:31 das Exp $
    32  */
    33 
    34 #ifndef _SYS_MMAN_H_
    35 #define _SYS_MMAN_H_
    36 #ifdef __cplusplus
    37  extern "C" 
    38  { 
    39   #endif
    40 
    41 #include <sys/cdefs.h>
    42 #include <sys/_types.h>
    43 
    44 #if __BSD_VISIBLE
    45 /*
    46  * Inheritance for minherit()
    47  */
    48 #define INHERIT_SHARE	0
    49 #define INHERIT_COPY	1
    50 #define INHERIT_NONE	2
    51 #endif
    52 
    53 /*
    54  * Protections are chosen from these bits, or-ed together
    55  */
    56 #define	PROT_NONE	0x00	/* no permissions */
    57 #define	PROT_READ	0x01	/* pages can be read */
    58 #define	PROT_WRITE	0x02	/* pages can be written */
    59 #define	PROT_EXEC	0x04	/* pages can be executed */
    60 
    61 /*
    62  * Flags contain sharing type and options.
    63  * Sharing types; choose one.
    64  */
    65 #define	MAP_SHARED	0x0001		/* share changes */
    66 #define	MAP_PRIVATE	0x0002		/* changes are private */
    67 #if __BSD_VISIBLE
    68 #define	MAP_COPY	MAP_PRIVATE	/* Obsolete */
    69 #endif
    70 
    71 /*
    72  * Other flags
    73  */
    74 #define	MAP_FIXED	 0x0010	/* map addr must be exactly as requested */
    75 
    76 /*
    77  * Error return from mmap()
    78  */
    79 #define MAP_FAILED	((void *)-1)
    80 
    81 /*
    82  * msync() flags
    83  */
    84 #define	MS_SYNC		0x0000	/* msync synchronously */
    85 #define MS_ASYNC	0x0001	/* return immediately */
    86 #define MS_INVALIDATE	0x0002	/* invalidate all cached data */
    87 
    88 #ifndef _MODE_T_DECLARED
    89 typedef	__mode_t	mode_t;
    90 #define	_MODE_T_DECLARED
    91 #endif
    92 
    93 #ifndef _OFF_T_DECLARED
    94 typedef	__off_t		off_t;
    95 #define	_OFF_T_DECLARED
    96 #endif
    97 
    98 #ifndef _SIZE_T_DECLARED
    99 typedef	__size_t	size_t;
   100 #define	_SIZE_T_DECLARED
   101 #endif
   102 
   103 #ifndef _KERNEL
   104 
   105 __BEGIN_DECLS
   106 /*
   107  * XXX not yet implemented: posix_mem_offset(), posix_typed_mem_get_info(),
   108  * posix_typed_mem_open().
   109  */
   110 #ifndef _MMAP_DECLARED
   111 #define	_MMAP_DECLARED
   112 IMPORT_C void *	mmap(void *, size_t, int, int, int, off_t);
   113 #endif
   114 IMPORT_C int	mprotect(const void *, size_t, int);
   115 IMPORT_C int	msync(void *, size_t, int);
   116 IMPORT_C int	munmap(void *, size_t);
   117 __END_DECLS
   118 
   119 #endif /* !_KERNEL */
   120 
   121 #ifdef __cplusplus
   122 }
   123 #endif	//__cplusplus
   124 
   125 #endif /* !_SYS_MMAN_H_ */