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Cider Isn't Darwin Emulation, Really
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C
at android
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255/* * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The 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, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_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_Ttypedef __darwin_mode_t mode_t;#define _MODE_T#endif
#ifndef _OFF_Ttypedef __darwin_off_t off_t;#define _OFF_T#endif
#ifndef _SIZE_T#define _SIZE_Ttypedef __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 */#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)#define MAP_COPY MAP_PRIVATE /* Obsolete */#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
/* * Other flags */#define MAP_FIXED 0x0010 /* [MF|SHM] interpret addr exactly */#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_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 */#define MAP_NOCACHE 0x0400 /* don't cache pages for this mapping */#define MAP_JIT 0x0800 /* Allocate a region that will be used for JIT purposes */#endif /* (!_POSIX_C_SOURCE || _DARWIN_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 */
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_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 || _DARWIN_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 */
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_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 */#define MADV_ZERO_WIRED_PAGES 6 /* zero the wired pages that have not been unwired before the entry is deleted */#define MADV_FREE_REUSABLE 7 /* pages can be reused (by anyone) */#define MADV_FREE_REUSE 8 /* caller wants to reuse those pages */#define MADV_CAN_REUSE 9
/* * 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 || _DARWIN_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_C(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);
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_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 */#ifdef XNU_KERNEL_PRIVATEvoid pshm_cache_init(void) __attribute__((section("__TEXT, initcode"))); /* for bsd_init() */void pshm_lock_init(void);
/* * 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;struct stat;int pshm_stat(struct pshmnode *pnode, void *ub, int isstat64);struct fileproc;int pshm_truncate(struct proc *p, struct fileproc *fp, int fd, off_t length, int32_t *retval);
#endif /* XNU_KERNEL_PRIVATE */#endif /* KERNEL */#endif /* !_SYS_MMAN_H_ */