X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/ff6e181ae92fc6f1e89841290f461d1f2f9badd9..7ee9d059c4eecf68ae4f8b0fb99ae2471eda79af:/bsd/sys/mman.h diff --git a/bsd/sys/mman.h b/bsd/sys/mman.h index 4a7b4a3c3..109c63634 100644 --- a/bsd/sys/mman.h +++ b/bsd/sys/mman.h @@ -1,14 +1,19 @@ /* * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @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. Please obtain a copy of the License at - * http://www.opensource.apple.com/apsl/ and read it before using this - * file. + * 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 @@ -18,7 +23,7 @@ * Please see the License for the specific language governing rights and * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ /*- @@ -110,21 +115,23 @@ typedef __darwin_size_t size_t; */ #define MAP_SHARED 0x0001 /* [MF|SHM] share changes */ #define MAP_PRIVATE 0x0002 /* [MF|SHM] changes are private */ -#ifndef _POSIX_C_SOURCE +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define MAP_COPY MAP_PRIVATE /* Obsolete */ -#endif /* !_POSIX_C_SOURCE */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ /* * Other flags */ #define MAP_FIXED 0x0010 /* [MF|SHM] interpret addr exactly */ -#ifndef _POSIX_C_SOURCE +#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 */ -#endif /* !_POSIX_C_SOURCE */ +#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 @@ -144,7 +151,7 @@ typedef __darwin_size_t size_t; #define MS_INVALIDATE 0x0002 /* [MF|SIO] invalidate all cached data */ #define MS_SYNC 0x0010 /* [MF|SIO] msync synchronously */ -#ifndef _POSIX_C_SOURCE +#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 */ @@ -153,7 +160,7 @@ typedef __darwin_size_t size_t; */ #define MAP_FILE 0x0000 /* map from file (default) */ #define MAP_ANON 0x1000 /* allocated from memory, swap space */ -#endif /* !_POSIX_C_SOURCE */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ /* @@ -165,13 +172,17 @@ typedef __darwin_size_t size_t; #define POSIX_MADV_WILLNEED 3 /* [MC1] will need these pages */ #define POSIX_MADV_DONTNEED 4 /* [MC1] dont need these pages */ -#ifndef _POSIX_C_SOURCE +#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 @@ -181,7 +192,7 @@ typedef __darwin_size_t size_t; #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 */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ #ifndef KERNEL @@ -200,7 +211,7 @@ void * mmap(void *, size_t, int, int, int, off_t) __DARWIN_ALIAS(mmap); /* [MPR] */ int mprotect(void *, size_t, int) __DARWIN_ALIAS(mprotect); /* [MF|SIO] */ -int msync(void *, size_t, int) __DARWIN_ALIAS(msync); +int msync(void *, size_t, int) __DARWIN_ALIAS_C(msync); /* [MR] */ int munlock(const void *, size_t); /* [MC3]*/ @@ -211,7 +222,7 @@ int shm_unlink(const char *); /* [ADV] */ int posix_madvise(void *, size_t, int); -#ifndef _POSIX_C_SOURCE +#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); @@ -219,8 +230,9 @@ int minherit(void *, size_t, int); __END_DECLS #else /* KERNEL */ - -void pshm_cache_init(void); /* for bsd_init() */ +#ifdef XNU_KERNEL_PRIVATE +void 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 @@ -232,9 +244,11 @@ 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 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, register_t *retval); +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_ */