| 1 | /*␊ |
| 2 | * Copyright (c) 2000-2007 Apple Inc. All rights reserved.␊ |
| 3 | *␊ |
| 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@␊ |
| 5 | * ␊ |
| 6 | * This file contains Original Code and/or Modifications of Original Code␊ |
| 7 | * as defined in and that are subject to the Apple Public Source License␊ |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in␊ |
| 9 | * compliance with the License. The rights granted to you under the License␊ |
| 10 | * may not be used to create, or enable the creation or redistribution of,␊ |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to␊ |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any␊ |
| 13 | * terms of an Apple operating system software license agreement.␊ |
| 14 | * ␊ |
| 15 | * Please obtain a copy of the License at␊ |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file.␊ |
| 17 | * ␊ |
| 18 | * The Original Code and all software distributed under the License are␊ |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
| 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊ |
| 23 | * Please see the License for the specific language governing rights and␊ |
| 24 | * limitations under the License.␊ |
| 25 | * ␊ |
| 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@␊ |
| 27 | */␊ |
| 28 | /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */␊ |
| 29 | /*-␊ |
| 30 | * Copyright (c) 1983, 1990, 1993␊ |
| 31 | *␉The Regents of the University of California. All rights reserved.␊ |
| 32 | * (c) UNIX System Laboratories, Inc.␊ |
| 33 | * All or some portions of this file are derived from material licensed␊ |
| 34 | * to the University of California by American Telephone and Telegraph␊ |
| 35 | * Co. or Unix System Laboratories, Inc. and are reproduced herein with␊ |
| 36 | * the permission of UNIX System Laboratories, Inc.␊ |
| 37 | *␊ |
| 38 | * Redistribution and use in source and binary forms, with or without␊ |
| 39 | * modification, are permitted provided that the following conditions␊ |
| 40 | * are met:␊ |
| 41 | * 1. Redistributions of source code must retain the above copyright␊ |
| 42 | * notice, this list of conditions and the following disclaimer.␊ |
| 43 | * 2. Redistributions in binary form must reproduce the above copyright␊ |
| 44 | * notice, this list of conditions and the following disclaimer in the␊ |
| 45 | * documentation and/or other materials provided with the distribution.␊ |
| 46 | * 3. All advertising materials mentioning features or use of this software␊ |
| 47 | * must display the following acknowledgement:␊ |
| 48 | *␉This product includes software developed by the University of␊ |
| 49 | *␉California, Berkeley and its contributors.␊ |
| 50 | * 4. Neither the name of the University nor the names of its contributors␊ |
| 51 | * may be used to endorse or promote products derived from this software␊ |
| 52 | * without specific prior written permission.␊ |
| 53 | *␊ |
| 54 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND␊ |
| 55 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE␊ |
| 56 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE␊ |
| 57 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE␊ |
| 58 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL␊ |
| 59 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS␊ |
| 60 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)␊ |
| 61 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT␊ |
| 62 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY␊ |
| 63 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF␊ |
| 64 | * SUCH DAMAGE.␊ |
| 65 | *␊ |
| 66 | *␉@(#)fcntl.h␉8.3 (Berkeley) 1/21/94␊ |
| 67 | */␊ |
| 68 | ␊ |
| 69 | ␊ |
| 70 | #ifndef _SYS_FCNTL_H_␊ |
| 71 | #define␉_SYS_FCNTL_H_␊ |
| 72 | ␊ |
| 73 | /*␊ |
| 74 | * This file includes the definitions for open and fcntl␊ |
| 75 | * described by POSIX for <fcntl.h>; it also includes␊ |
| 76 | * related kernel definitions.␊ |
| 77 | */␊ |
| 78 | #include <sys/_types.h>␊ |
| 79 | #include <sys/cdefs.h>␊ |
| 80 | #include <Availability.h>␊ |
| 81 | ␊ |
| 82 | /* We should not be exporting size_t here. Temporary for gcc bootstrapping. */␊ |
| 83 | #ifndef _SIZE_T␊ |
| 84 | #define _SIZE_T␊ |
| 85 | typedef __darwin_size_t␉size_t;␊ |
| 86 | #endif␊ |
| 87 | ␊ |
| 88 | #ifndef␉_MODE_T␊ |
| 89 | typedef␉__darwin_mode_t␉mode_t;␊ |
| 90 | #define _MODE_T␊ |
| 91 | #endif␊ |
| 92 | ␊ |
| 93 | #ifndef _OFF_T␊ |
| 94 | typedef __darwin_off_t␉off_t;␊ |
| 95 | #define _OFF_T␊ |
| 96 | #endif␊ |
| 97 | ␊ |
| 98 | /*␊ |
| 99 | * File status flags: these are used by open(2), fcntl(2).␊ |
| 100 | * They are also used (indirectly) in the kernel file structure f_flags,␊ |
| 101 | * which is a superset of the open/fcntl flags. Open flags and f_flags␊ |
| 102 | * are inter-convertible using OFLAGS(fflags) and FFLAGS(oflags).␊ |
| 103 | * Open/fcntl flags begin with O_; kernel-internal flags begin with F.␊ |
| 104 | */␊ |
| 105 | /* open-only flags */␊ |
| 106 | #define␉O_RDONLY␉0x0000␉␉/* open for reading only */␊ |
| 107 | #define␉O_WRONLY␉0x0001␉␉/* open for writing only */␊ |
| 108 | #define␉O_RDWR␉␉0x0002␉␉/* open for reading and writing */␊ |
| 109 | #define␉O_ACCMODE␉0x0003␉␉/* mask for above modes */␊ |
| 110 | ␊ |
| 111 | /*␊ |
| 112 | * Kernel encoding of open mode; separate read and write bits that are␊ |
| 113 | * independently testable: 1 greater than the above.␊ |
| 114 | *␊ |
| 115 | * XXX␊ |
| 116 | * FREAD and FWRITE are excluded from the #ifdef KERNEL so that TIOCFLUSH,␊ |
| 117 | * which was documented to use FREAD/FWRITE, continues to work.␊ |
| 118 | */␊ |
| 119 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 120 | #define␉FREAD␉␉0x0001␊ |
| 121 | #define␉FWRITE␉␉0x0002␊ |
| 122 | #endif␊ |
| 123 | #define␉O_NONBLOCK␉0x0004␉␉/* no delay */␊ |
| 124 | #define␉O_APPEND␉0x0008␉␉/* set append mode */␊ |
| 125 | #ifndef O_SYNC␉␉/* allow simultaneous inclusion of <aio.h> */␊ |
| 126 | #define␉O_SYNC␉␉0x0080␉␉/* synch I/O file integrity */␊ |
| 127 | #endif␊ |
| 128 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 129 | #define␉O_SHLOCK␉0x0010␉␉/* open with shared file lock */␊ |
| 130 | #define␉O_EXLOCK␉0x0020␉␉/* open with exclusive file lock */␊ |
| 131 | #define␉O_ASYNC␉␉0x0040␉␉/* signal pgrp when data ready */␊ |
| 132 | #define␉O_FSYNC␉␉O_SYNC␉␉/* source compatibility: do not use */␊ |
| 133 | #define O_NOFOLLOW 0x0100 /* don't follow symlinks */␊ |
| 134 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */␊ |
| 135 | #define␉O_CREAT␉␉0x0200␉␉/* create if nonexistant */␊ |
| 136 | #define␉O_TRUNC␉␉0x0400␉␉/* truncate to zero length */␊ |
| 137 | #define␉O_EXCL␉␉0x0800␉␉/* error if already exists */␊ |
| 138 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 139 | #define␉O_EVTONLY␉0x8000␉␉/* descriptor requested for event notifications only */␊ |
| 140 | #endif␊ |
| 141 | ␊ |
| 142 | ␊ |
| 143 | #define␉O_NOCTTY␉0x20000␉␉/* don't assign controlling terminal */␊ |
| 144 | ␊ |
| 145 | ␊ |
| 146 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 147 | #define O_DIRECTORY␉0x100000␊ |
| 148 | #define O_SYMLINK␉0x200000␉/* allow open of a symlink */␊ |
| 149 | #endif␊ |
| 150 | ␊ |
| 151 | #ifndef O_DSYNC␉␉/* allow simultaneous inclusion of <aio.h> */␊ |
| 152 | #define␉␉O_DSYNC␉0x400000␉/* synch I/O data integrity */␊ |
| 153 | #endif␊ |
| 154 | ␊ |
| 155 | ␊ |
| 156 | #if __DARWIN_C_LEVEL >= 200809L␊ |
| 157 | #define␉O_CLOEXEC␉0x1000000␉/* implicitly set FD_CLOEXEC */␊ |
| 158 | #endif␊ |
| 159 | ␊ |
| 160 | ␊ |
| 161 | ␊ |
| 162 | /* Data Protection Flags */␊ |
| 163 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 164 | #define O_DP_GETRAWENCRYPTED␉0x0001␊ |
| 165 | #endif␊ |
| 166 | ␊ |
| 167 | ␊ |
| 168 | ␊ |
| 169 | /*␊ |
| 170 | * The O_* flags used to have only F* names, which were used in the kernel␊ |
| 171 | * and by fcntl. We retain the F* names for the kernel f_flags field␊ |
| 172 | * and for backward compatibility for fcntl.␊ |
| 173 | */␊ |
| 174 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 175 | #define␉FAPPEND␉␉O_APPEND␉/* kernel/compat */␊ |
| 176 | #define␉FASYNC␉␉O_ASYNC␉␉/* kernel/compat */␊ |
| 177 | #define␉FFSYNC␉␉O_FSYNC␉␉/* kernel */␊ |
| 178 | #define␉FFDSYNC␉␉O_DSYNC␉␉/* kernel */␊ |
| 179 | #define␉FNONBLOCK␉O_NONBLOCK␉/* kernel */␊ |
| 180 | #define␉FNDELAY␉␉O_NONBLOCK␉/* compat */␊ |
| 181 | #define␉O_NDELAY␉O_NONBLOCK␉/* compat */␊ |
| 182 | #endif␊ |
| 183 | ␊ |
| 184 | /*␊ |
| 185 | * Flags used for copyfile(2)␊ |
| 186 | */␊ |
| 187 | ␊ |
| 188 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 189 | #define CPF_OVERWRITE 1␊ |
| 190 | #define CPF_IGNORE_MODE 2␊ |
| 191 | #define CPF_MASK (CPF_OVERWRITE|CPF_IGNORE_MODE)␊ |
| 192 | #endif␊ |
| 193 | ␊ |
| 194 | /*␊ |
| 195 | * Constants used for fcntl(2)␊ |
| 196 | */␊ |
| 197 | ␊ |
| 198 | /* command values */␊ |
| 199 | #define␉F_DUPFD␉␉0␉␉/* duplicate file descriptor */␊ |
| 200 | #define␉F_GETFD␉␉1␉␉/* get file descriptor flags */␊ |
| 201 | #define␉F_SETFD␉␉2␉␉/* set file descriptor flags */␊ |
| 202 | #define␉F_GETFL␉␉3␉␉/* get file status flags */␊ |
| 203 | #define␉F_SETFL␉␉4␉␉/* set file status flags */␊ |
| 204 | #define␉F_GETOWN␉5␉␉/* get SIGIO/SIGURG proc/pgrp */␊ |
| 205 | #define F_SETOWN␉6␉␉/* set SIGIO/SIGURG proc/pgrp */␊ |
| 206 | #define␉F_GETLK␉␉7␉␉/* get record locking information */␊ |
| 207 | #define␉F_SETLK␉␉8␉␉/* set record locking information */␊ |
| 208 | #define␉F_SETLKW␉9␉␉/* F_SETLK; wait if blocked */␊ |
| 209 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 210 | #define F_FLUSH_DATA 40␊ |
| 211 | #define F_CHKCLEAN 41 /* Used for regression test */␊ |
| 212 | #define F_PREALLOCATE 42␉␉/* Preallocate storage */␊ |
| 213 | #define F_SETSIZE 43␉␉/* Truncate a file without zeroing space */␉␊ |
| 214 | #define F_RDADVISE 44 /* Issue an advisory read async with no copy to user */␊ |
| 215 | #define F_RDAHEAD 45 /* turn read ahead off/on for this fd */␊ |
| 216 | #define F_READBOOTSTRAP 46 /* Read bootstrap from disk */␊ |
| 217 | #define F_WRITEBOOTSTRAP 47 /* Write bootstrap on disk */␊ |
| 218 | #define F_NOCACHE 48 /* turn data caching off/on for this fd */␊ |
| 219 | #define F_LOG2PHYS␉49␉␉/* file offset to device offset */␊ |
| 220 | #define F_GETPATH 50 /* return the full path of the fd */␊ |
| 221 | #define F_FULLFSYNC 51␉␉/* fsync + ask the drive to flush to the media */␊ |
| 222 | #define F_PATHPKG_CHECK 52 /* find which component (if any) is a package */␊ |
| 223 | #define F_FREEZE_FS 53 /* "freeze" all fs operations */␊ |
| 224 | #define F_THAW_FS 54 /* "thaw" all fs operations */␊ |
| 225 | #define␉F_GLOBAL_NOCACHE 55␉␉/* turn data caching off/on (globally) for this file */␊ |
| 226 | ␊ |
| 227 | ␊ |
| 228 | #define F_ADDSIGS␉59␉␉/* add detached signatures */␊ |
| 229 | ␊ |
| 230 | #define F_MARKDEPENDENCY 60 /* this process hosts the device supporting the fs backing this fd */␊ |
| 231 | ␊ |
| 232 | #define F_ADDFILESIGS␉61␉␉/* add signature from same file (used by dyld for shared libs) */␊ |
| 233 | ␊ |
| 234 | #define F_NODIRECT␉62␉␉/* used in conjunction with F_NOCACHE to indicate that DIRECT, synchonous writes */␊ |
| 235 | /* should not be used (i.e. its ok to temporaily create cached pages) */␊ |
| 236 | ␊ |
| 237 | #define F_GETPROTECTIONCLASS␉63␉␉/* Get the protection class of a file from the EA, returns int */␊ |
| 238 | #define F_SETPROTECTIONCLASS␉64␉␉/* Set the protection class of a file for the EA, requires int */␊ |
| 239 | ␊ |
| 240 | #define F_LOG2PHYS_EXT 65␉␉/* file offset to device offset, extended */␊ |
| 241 | ␊ |
| 242 | #define␉F_GETLKPID␉␉66␉␉/* get record locking information, per-process */␊ |
| 243 | ␊ |
| 244 | /* See F_DUPFD_CLOEXEC below for 67 */␊ |
| 245 | ␊ |
| 246 | ␊ |
| 247 | #define F_SETBACKINGSTORE␉70␉/* Mark the file as being the backing store for another filesystem */␊ |
| 248 | #define F_GETPATH_MTMINFO␉71 ␉/* return the full path of the FD, but error in specific mtmd circumstances */␊ |
| 249 | ␊ |
| 250 | /* 72 is free. It used to be F_GETENCRYPTEDDATA, which is now removed. */␊ |
| 251 | ␊ |
| 252 | #define F_SETNOSIGPIPE␉␉73␉/* No SIGPIPE generated on EPIPE */␊ |
| 253 | #define F_GETNOSIGPIPE␉␉74␉/* Status of SIGPIPE for this fd */␊ |
| 254 | ␊ |
| 255 | #define F_TRANSCODEKEY␉␉75 ␉/* For some cases, we need to rewrap the key for AKS/MKB */␊ |
| 256 | ␊ |
| 257 | #define F_SINGLE_WRITER␉␉76␉/* file being written to a by single writer... if throttling enabled, writes */␊ |
| 258 | /* may be broken into smaller chunks with throttling in between */␊ |
| 259 | ␊ |
| 260 | #define F_GETPROTECTIONLEVEL␉77␉/* Get the protection version number for this filesystem */␊ |
| 261 | ␊ |
| 262 | ␊ |
| 263 | // FS-specific fcntl()'s numbers begin at 0x00010000 and go up␊ |
| 264 | #define FCNTL_FS_SPECIFIC_BASE 0x00010000␊ |
| 265 | ␊ |
| 266 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */␊ |
| 267 | ␊ |
| 268 | #if __DARWIN_C_LEVEL >= 200809L␊ |
| 269 | #define␉F_DUPFD_CLOEXEC␉␉67␉/* mark the dup with FD_CLOEXEC */␊ |
| 270 | #endif␊ |
| 271 | ␊ |
| 272 | /* file descriptor flags (F_GETFD, F_SETFD) */␊ |
| 273 | #define␉FD_CLOEXEC␉1␉␉/* close-on-exec flag */␊ |
| 274 | ␊ |
| 275 | /* record locking flags (F_GETLK, F_SETLK, F_SETLKW) */␊ |
| 276 | #define␉F_RDLCK␉␉1␉␉/* shared or read lock */␊ |
| 277 | #define␉F_UNLCK␉␉2␉␉/* unlock */␊ |
| 278 | #define␉F_WRLCK␉␉3␉␉/* exclusive or write lock */␊ |
| 279 | ␊ |
| 280 | /*␊ |
| 281 | * [XSI] The values used for l_whence shall be defined as described␊ |
| 282 | * in <unistd.h>␊ |
| 283 | */␊ |
| 284 | #ifndef SEEK_SET␊ |
| 285 | #define␉SEEK_SET␉0␉/* set file offset to offset */␊ |
| 286 | #define␉SEEK_CUR␉1␉/* set file offset to current plus offset */␊ |
| 287 | #define␉SEEK_END␉2␉/* set file offset to EOF plus offset */␊ |
| 288 | #endif␉/* !SEEK_SET */␊ |
| 289 | ␊ |
| 290 | /*␊ |
| 291 | * [XSI] The symbolic names for file modes for use as values of mode_t␊ |
| 292 | * shall be defined as described in <sys/stat.h>␊ |
| 293 | */␊ |
| 294 | #ifndef S_IFMT␊ |
| 295 | /* File type */␊ |
| 296 | #define␉S_IFMT␉␉0170000␉␉/* [XSI] type of file mask */␊ |
| 297 | #define␉S_IFIFO␉␉0010000␉␉/* [XSI] named pipe (fifo) */␊ |
| 298 | #define␉S_IFCHR␉␉0020000␉␉/* [XSI] character special */␊ |
| 299 | #define␉S_IFDIR␉␉0040000␉␉/* [XSI] directory */␊ |
| 300 | #define␉S_IFBLK␉␉0060000␉␉/* [XSI] block special */␊ |
| 301 | #define␉S_IFREG␉␉0100000␉␉/* [XSI] regular */␊ |
| 302 | #define␉S_IFLNK␉␉0120000␉␉/* [XSI] symbolic link */␊ |
| 303 | #define␉S_IFSOCK␉0140000␉␉/* [XSI] socket */␊ |
| 304 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 305 | #define␉S_IFWHT␉␉0160000␉␉/* OBSOLETE: whiteout */␊ |
| 306 | #endif␊ |
| 307 | ␊ |
| 308 | /* File mode */␊ |
| 309 | /* Read, write, execute/search by owner */␊ |
| 310 | #define␉S_IRWXU␉␉0000700␉␉/* [XSI] RWX mask for owner */␊ |
| 311 | #define␉S_IRUSR␉␉0000400␉␉/* [XSI] R for owner */␊ |
| 312 | #define␉S_IWUSR␉␉0000200␉␉/* [XSI] W for owner */␊ |
| 313 | #define␉S_IXUSR␉␉0000100␉␉/* [XSI] X for owner */␊ |
| 314 | /* Read, write, execute/search by group */␊ |
| 315 | #define␉S_IRWXG␉␉0000070␉␉/* [XSI] RWX mask for group */␊ |
| 316 | #define␉S_IRGRP␉␉0000040␉␉/* [XSI] R for group */␊ |
| 317 | #define␉S_IWGRP␉␉0000020␉␉/* [XSI] W for group */␊ |
| 318 | #define␉S_IXGRP␉␉0000010␉␉/* [XSI] X for group */␊ |
| 319 | /* Read, write, execute/search by others */␊ |
| 320 | #define␉S_IRWXO␉␉0000007␉␉/* [XSI] RWX mask for other */␊ |
| 321 | #define␉S_IROTH␉␉0000004␉␉/* [XSI] R for other */␊ |
| 322 | #define␉S_IWOTH␉␉0000002␉␉/* [XSI] W for other */␊ |
| 323 | #define␉S_IXOTH␉␉0000001␉␉/* [XSI] X for other */␊ |
| 324 | ␊ |
| 325 | #define␉S_ISUID␉␉0004000␉␉/* [XSI] set user id on execution */␊ |
| 326 | #define␉S_ISGID␉␉0002000␉␉/* [XSI] set group id on execution */␊ |
| 327 | #define␉S_ISVTX␉␉0001000␉␉/* [XSI] directory restrcted delete */␊ |
| 328 | ␊ |
| 329 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 330 | #define␉S_ISTXT␉␉S_ISVTX␉␉/* sticky bit: not supported */␊ |
| 331 | #define␉S_IREAD␉␉S_IRUSR␉␉/* backward compatability */␊ |
| 332 | #define␉S_IWRITE␉S_IWUSR␉␉/* backward compatability */␊ |
| 333 | #define␉S_IEXEC␉␉S_IXUSR␉␉/* backward compatability */␊ |
| 334 | #endif␊ |
| 335 | #endif␉/* !S_IFMT */␊ |
| 336 | ␊ |
| 337 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 338 | /* allocate flags (F_PREALLOCATE) */␊ |
| 339 | ␊ |
| 340 | #define F_ALLOCATECONTIG 0x00000002 /* allocate contigious space */␊ |
| 341 | #define F_ALLOCATEALL 0x00000004␉/* allocate all requested space or no space at all */␊ |
| 342 | ␊ |
| 343 | /* Position Modes (fst_posmode) for F_PREALLOCATE */␊ |
| 344 | ␊ |
| 345 | #define F_PEOFPOSMODE 3␉␉␉/* Make it past all of the SEEK pos modes so that */␊ |
| 346 | ␉␉␉␉␉/* we can keep them in sync should we desire */␉␊ |
| 347 | #define F_VOLPOSMODE␉4␉␉/* specify volume starting postion */␊ |
| 348 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */␊ |
| 349 | ␊ |
| 350 | /*␊ |
| 351 | * Advisory file segment locking data type -␊ |
| 352 | * information passed to system by user␊ |
| 353 | */␊ |
| 354 | struct flock {␊ |
| 355 | ␉off_t␉l_start;␉/* starting offset */␊ |
| 356 | ␉off_t␉l_len;␉␉/* len = 0 means until end of file */␊ |
| 357 | ␉short␉l_type;␉␉/* lock type: read/write, etc. */␊ |
| 358 | ␉short␉l_whence;␉/* type of l_start */␊ |
| 359 | };␊ |
| 360 | ␊ |
| 361 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 362 | /*␊ |
| 363 | * advisory file read data type -␊ |
| 364 | * information passed by user to system␊ |
| 365 | */␊ |
| 366 | ␊ |
| 367 | ␊ |
| 368 | struct radvisory {␊ |
| 369 | off_t ra_offset;␊ |
| 370 | int ra_count;␊ |
| 371 | };␊ |
| 372 | ␊ |
| 373 | ␊ |
| 374 | /*␊ |
| 375 | * detached code signatures data type -␊ |
| 376 | * information passed by user to system used by F_ADDSIGS and F_ADDFILESIGS.␊ |
| 377 | * F_ADDFILESIGS is a shortcut for files that contain their own signature and␊ |
| 378 | * doesn't require mapping of the file in order to load the signature.␊ |
| 379 | */␊ |
| 380 | typedef struct fsignatures {␊ |
| 381 | ␉off_t␉␉fs_file_start;␊ |
| 382 | ␉void␉␉*fs_blob_start;␊ |
| 383 | ␉size_t␉␉fs_blob_size;␊ |
| 384 | } fsignatures_t;␊ |
| 385 | ␊ |
| 386 | /* lock operations for flock(2) */␊ |
| 387 | #define␉LOCK_SH␉␉0x01␉␉/* shared file lock */␊ |
| 388 | #define␉LOCK_EX␉␉0x02␉␉/* exclusive file lock */␊ |
| 389 | #define␉LOCK_NB␉␉0x04␉␉/* don't block when locking */␊ |
| 390 | #define␉LOCK_UN␉␉0x08␉␉/* unlock file */␊ |
| 391 | ␊ |
| 392 | /* fstore_t type used by F_DEALLOCATE and F_PREALLOCATE commands */␊ |
| 393 | ␊ |
| 394 | typedef struct fstore {␊ |
| 395 | ␉unsigned int fst_flags;␉/* IN: flags word */␊ |
| 396 | ␉int ␉fst_posmode;␉/* IN: indicates use of offset field */␊ |
| 397 | ␉off_t␉fst_offset;␉/* IN: start of the region */␊ |
| 398 | ␉off_t␉fst_length;␉/* IN: size of the region */␊ |
| 399 | ␉off_t fst_bytesalloc;␉/* OUT: number of bytes allocated */␊ |
| 400 | } fstore_t;␊ |
| 401 | ␊ |
| 402 | /* fbootstraptransfer_t used by F_READBOOTSTRAP and F_WRITEBOOTSTRAP commands */␊ |
| 403 | ␊ |
| 404 | typedef struct fbootstraptransfer {␊ |
| 405 | off_t fbt_offset; /* IN: offset to start read/write */␊ |
| 406 | size_t fbt_length; /* IN: number of bytes to transfer */␊ |
| 407 | void *fbt_buffer; /* IN: buffer to be read/written */␊ |
| 408 | } fbootstraptransfer_t;␊ |
| 409 | ␊ |
| 410 | ␊ |
| 411 | /*␊ |
| 412 | * For F_LOG2PHYS this information is passed back to user␊ |
| 413 | * Currently only devoffset is returned - that is the VOP_BMAP␊ |
| 414 | * result - the disk device address corresponding to the␊ |
| 415 | * current file offset (likely set with an lseek).␊ |
| 416 | *␊ |
| 417 | * The flags could hold an indication of whether the # of ␊ |
| 418 | * contiguous bytes reflects the true extent length on disk,␊ |
| 419 | * or is an advisory value that indicates there is at least that␊ |
| 420 | * many bytes contiguous. For some filesystems it might be too␊ |
| 421 | * inefficient to provide anything beyond the advisory value.␊ |
| 422 | * Flags and contiguous bytes return values are not yet implemented.␊ |
| 423 | * For them the fcntl will nedd to switch from using BMAP to CMAP␊ |
| 424 | * and a per filesystem type flag will be needed to interpret the␊ |
| 425 | * contiguous bytes count result from CMAP.␊ |
| 426 | *␊ |
| 427 | * F_LOG2PHYS_EXT is a variant of F_LOG2PHYS that uses a passed in␊ |
| 428 | * file offset and length instead of the current file offset.␊ |
| 429 | * F_LOG2PHYS_EXT operates on the same structure as F_LOG2PHYS, but␊ |
| 430 | * treats it as an in/out.␊ |
| 431 | */␊ |
| 432 | #pragma pack(4)␊ |
| 433 | ␊ |
| 434 | struct log2phys {␊ |
| 435 | ␉unsigned int␉l2p_flags;␉ /* unused so far */␊ |
| 436 | ␉off_t␉␉l2p_contigbytes; /* F_LOG2PHYS: unused so far */␊ |
| 437 | ␉␉␉␉␉ /* F_LOG2PHYS_EXT: IN: number of bytes to be queried */␊ |
| 438 | ␉␉␉␉␉ /* OUT: number of contiguous bytes at this position */␊ |
| 439 | ␉off_t␉␉l2p_devoffset; /* F_LOG2PHYS: OUT: bytes into device */␊ |
| 440 | ␉␉␉␉␉ /* F_LOG2PHYS_EXT: IN: bytes into file */␊ |
| 441 | ␉␉␉␉␉ /* OUT: bytes into device */␊ |
| 442 | };␊ |
| 443 | ␊ |
| 444 | #pragma pack()␊ |
| 445 | ␊ |
| 446 | #define␉O_POPUP␉ 0x80000000 /* force window to popup on open */␊ |
| 447 | #define␉O_ALERT␉ 0x20000000␉/* small, clean popup window */␊ |
| 448 | ␊ |
| 449 | ␊ |
| 450 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */␊ |
| 451 | ␊ |
| 452 | ␊ |
| 453 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 454 | #ifndef _FILESEC_T␊ |
| 455 | struct _filesec;␊ |
| 456 | typedef struct _filesec␉*filesec_t;␊ |
| 457 | #define _FILESEC_T␊ |
| 458 | #endif␊ |
| 459 | typedef enum {␊ |
| 460 | ␉FILESEC_OWNER = 1,␊ |
| 461 | ␉FILESEC_GROUP = 2,␊ |
| 462 | ␉FILESEC_UUID = 3,␊ |
| 463 | ␉FILESEC_MODE = 4,␊ |
| 464 | ␉FILESEC_ACL = 5,␊ |
| 465 | ␉FILESEC_GRPUUID = 6,␊ |
| 466 | ␊ |
| 467 | /* XXX these are private to the implementation */␊ |
| 468 | ␉FILESEC_ACL_RAW = 100,␊ |
| 469 | ␉FILESEC_ACL_ALLOCSIZE = 101␊ |
| 470 | } filesec_property_t;␊ |
| 471 | ␊ |
| 472 | /* XXX backwards compatibility */␊ |
| 473 | #define FILESEC_GUID FILESEC_UUID␊ |
| 474 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */␊ |
| 475 | ␊ |
| 476 | __BEGIN_DECLS␊ |
| 477 | int␉open(const char *, int, ...) ;␊ |
| 478 | __END_DECLS␊ |
| 479 | ␊ |
| 480 | #endif /* !_SYS_FCNTL_H_ */␊ |
| 481 | |
