X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/6601e61aa18bf4f09af135ff61fc7f4771d23b06..b7266188b87f3620ec3f9f717e57194a7dd989fe:/bsd/sys/mman.h diff --git a/bsd/sys/mman.h b/bsd/sys/mman.h index aeaab5a7f..a82aec943 100644 --- a/bsd/sys/mman.h +++ b/bsd/sys/mman.h @@ -1,23 +1,29 @@ /* * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_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 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. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * 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 OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * 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_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ /*- @@ -109,21 +115,22 @@ 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 */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ /* * Process memory locking @@ -143,7 +150,7 @@ 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 */ @@ -152,7 +159,7 @@ 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) */ /* @@ -164,13 +171,17 @@ 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 @@ -180,7 +191,7 @@ 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 @@ -199,7 +210,7 @@ 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]*/ @@ -210,7 +221,7 @@ 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); @@ -218,8 +229,9 @@ 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 @@ -231,9 +243,11 @@ 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_ */