/* * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ /*- * Copyright (c) 1982, 1986, 1993 * The Regents of the University of California. 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. * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. * * @(#)mman.h 8.1 (Berkeley) 6/2/93 */ /* * Currently unsupported: * * [TYM] POSIX_TYPED_MEM_ALLOCATE * [TYM] POSIX_TYPED_MEM_ALLOCATE_CONTIG * [TYM] POSIX_TYPED_MEM_MAP_ALLOCATABLE * [TYM] struct posix_typed_mem_info * [TYM] posix_mem_offset() * [TYM] posix_typed_mem_get_info() * [TYM] posix_typed_mem_open() */ #ifndef _SYS_MMAN_H_ #define _SYS_MMAN_H_ #include <sys/appleapiopts.h> #include <sys/cdefs.h> #include <sys/_types.h> /* * [various] The mode_t, off_t, and size_t types shall be defined as * described in <sys/types.h> */ #ifndef _MODE_T typedef __darwin_mode_t mode_t; #define _MODE_T #endif #ifndef _OFF_T typedef __darwin_off_t off_t; #define _OFF_T #endif #ifndef _SIZE_T #define _SIZE_T typedef __darwin_size_t size_t; #endif /* * Protections are chosen from these bits, or-ed together */ #define PROT_NONE 0x00 /* [MC2] no permissions */ #define PROT_READ 0x01 /* [MC2] pages can be read */ #define PROT_WRITE 0x02 /* [MC2] pages can be written */ #define PROT_EXEC 0x04 /* [MC2] pages can be executed */ /* * Flags contain sharing type and options. * Sharing types; choose one. */ #define MAP_SHARED 0x0001 /* [MF|SHM] share changes */ #define MAP_PRIVATE 0x0002 /* [MF|SHM] changes are private */ #ifndef _POSIX_C_SOURCE #define MAP_COPY MAP_PRIVATE /* Obsolete */ #endif /* !_POSIX_C_SOURCE */ /* * Other flags */ #define MAP_FIXED 0x0010 /* [MF|SHM] interpret addr exactly */ #ifndef _POSIX_C_SOURCE #define MAP_RENAME 0x0020 /* Sun: rename private pages to file */ #define MAP_NORESERVE 0x0040 /* Sun: don't reserve needed swap area */ #define MAP_RESERVED0080 0x0080 /* previously unimplemented MAP_INHERIT */ #define MAP_NOEXTEND 0x0100 /* for MAP_FILE, don't change file size */ #define MAP_HASSEMAPHORE 0x0200 /* region may contain semaphores */ #endif /* !_POSIX_C_SOURCE */ /* * Process memory locking */ #define MCL_CURRENT 0x0001 /* [ML] Lock only current memory */ #define MCL_FUTURE 0x0002 /* [ML] Lock all future memory as well */ /* * Error return from mmap() */ #define MAP_FAILED ((void *)-1) /* [MF|SHM] mmap failed */ /* * msync() flags */ #define MS_ASYNC 0x0001 /* [MF|SIO] return immediately */ #define MS_INVALIDATE 0x0002 /* [MF|SIO] invalidate all cached data */ #define MS_SYNC 0x0010 /* [MF|SIO] msync synchronously */ #ifndef _POSIX_C_SOURCE #define MS_KILLPAGES 0x0004 /* invalidate pages, leave mapped */ #define MS_DEACTIVATE 0x0008 /* deactivate pages, leave mapped */ /* * Mapping type */ #define MAP_FILE 0x0000 /* map from file (default) */ #define MAP_ANON 0x1000 /* allocated from memory, swap space */ #endif /* !_POSIX_C_SOURCE */ /* * Advice to madvise */ #define POSIX_MADV_NORMAL 0 /* [MC1] no further special treatment */ #define POSIX_MADV_RANDOM 1 /* [MC1] expect random page refs */ #define POSIX_MADV_SEQUENTIAL 2 /* [MC1] expect sequential page refs */ #define POSIX_MADV_WILLNEED 3 /* [MC1] will need these pages */ #define POSIX_MADV_DONTNEED 4 /* [MC1] dont need these pages */ #ifndef _POSIX_C_SOURCE #define MADV_NORMAL POSIX_MADV_NORMAL #define MADV_RANDOM POSIX_MADV_RANDOM #define MADV_SEQUENTIAL POSIX_MADV_SEQUENTIAL #define MADV_WILLNEED POSIX_MADV_WILLNEED #define MADV_DONTNEED POSIX_MADV_DONTNEED #define MADV_FREE 5 /* pages unneeded, discard contents */ /* * Return bits from mincore */ #define MINCORE_INCORE 0x1 /* Page is incore */ #define MINCORE_REFERENCED 0x2 /* Page has been referenced by us */ #define MINCORE_MODIFIED 0x4 /* Page has been modified by us */ #define MINCORE_REFERENCED_OTHER 0x8 /* Page has been referenced */ #define MINCORE_MODIFIED_OTHER 0x10 /* Page has been modified */ #endif /* !_POSIX_C_SOURCE */ #ifndef KERNEL __BEGIN_DECLS /* [ML] */ int mlockall(int); int munlockall(void); /* [MR] */ int mlock(const void *, size_t); #ifndef _MMAP #define _MMAP /* [MC3]*/ void * mmap(void *, size_t, int, int, int, off_t) __DARWIN_ALIAS(mmap); #endif /* [MPR] */ int mprotect(void *, size_t, int) __DARWIN_ALIAS(mprotect); /* [MF|SIO] */ int msync(void *, size_t, int) __DARWIN_ALIAS(msync); /* [MR] */ int munlock(const void *, size_t); /* [MC3]*/ int munmap(void *, size_t) __DARWIN_ALIAS(munmap); /* [SHM] */ int shm_open(const char *, int, ...); int shm_unlink(const char *); /* [ADV] */ int posix_madvise(void *, size_t, int); #ifndef _POSIX_C_SOURCE int madvise(void *, size_t, int); int mincore(const void *, size_t, char *); int minherit(void *, size_t, int); #endif __END_DECLS #else /* KERNEL */ void pshm_cache_init(void); /* for bsd_init() */ /* * XXX routine exported by posix_shm.c, but never used there, only used in * XXX kern_mman.c in the implementation of mmap(). */ struct mmap_args; struct fileproc; int pshm_mmap(struct proc *p, struct mmap_args *uap, user_addr_t *retval, struct fileproc *fp, off_t pageoff); /* Really need to overhaul struct fileops to avoid this... */ struct pshmnode; int pshm_stat(struct pshmnode *pnode, struct stat *sb); struct fileproc; int pshm_truncate(struct proc *p, struct fileproc *fp, int fd, off_t length, register_t *retval); #endif /* KERNEL */ #endif /* !_SYS_MMAN_H_ */