1 /* 2 * Copyright (c) 2000-2013 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 #include <sys/_types/_size_t.h> 84 #include <sys/_types/_mode_t.h> 85 #include <sys/_types/_off_t.h> 86 #include <sys/_types/_pid_t.h> 87 88 /* 89 * File status flags: these are used by open(2), fcntl(2). 90 * They are also used (indirectly) in the kernel file structure f_flags, 91 * which is a superset of the open/fcntl flags. Open flags and f_flags 92 * are inter-convertible using OFLAGS(fflags) and FFLAGS(oflags). 93 * Open/fcntl flags begin with O_; kernel-internal flags begin with F. 94 */ 95 /* open-only flags */ 96 #define O_RDONLY 0x0000 /* open for reading only */ 97 #define O_WRONLY 0x0001 /* open for writing only */ 98 #define O_RDWR 0x0002 /* open for reading and writing */ 99 #define O_ACCMODE 0x0003 /* mask for above modes */ 100 101 /* 102 * Kernel encoding of open mode; separate read and write bits that are 103 * independently testable: 1 greater than the above. 104 * 105 * XXX 106 * FREAD and FWRITE are excluded from the #ifdef KERNEL so that TIOCFLUSH, 107 * which was documented to use FREAD/FWRITE, continues to work. 108 */ 109 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 110 #define FREAD 0x0001 111 #define FWRITE 0x0002 112 #endif 113 #define O_NONBLOCK 0x0004 /* no delay */ 114 #define O_APPEND 0x0008 /* set append mode */ 115 116 #include <sys/_types/_o_sync.h> 117 118 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 119 #define O_SHLOCK 0x0010 /* open with shared file lock */ 120 #define O_EXLOCK 0x0020 /* open with exclusive file lock */ 121 #define O_ASYNC 0x0040 /* signal pgrp when data ready */ 122 #define O_FSYNC O_SYNC /* source compatibility: do not use */ 123 #define O_NOFOLLOW 0x0100 /* don't follow symlinks */ 124 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ 125 #define O_CREAT 0x0200 /* create if nonexistant */ 126 #define O_TRUNC 0x0400 /* truncate to zero length */ 127 #define O_EXCL 0x0800 /* error if already exists */ 128 129 #if __DARWIN_C_LEVEL >= 200809L 130 /* 131 * Descriptor value for the current working directory 132 */ 133 #define AT_FDCWD -2 134 135 /* 136 * Flags for the at functions 137 */ 138 #define AT_EACCESS 0x0010 /* Use effective ids in access check */ 139 #define AT_SYMLINK_NOFOLLOW 0x0020 /* Act on the symlink itself not the target */ 140 #define AT_SYMLINK_FOLLOW 0x0040 /* Act on target of symlink */ 141 #define AT_REMOVEDIR 0x0080 /* Path refers to directory */ 142 #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL 143 #define AT_REALDEV 0x0200 /* Return real device inodes resides on for fstatat(2) */ 144 #define AT_FDONLY 0x0400 /* Use only the fd and Ignore the path for fstatat(2) */ 145 #endif 146 #endif 147 148 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 149 #define O_EVTONLY 0x8000 /* descriptor requested for event notifications only */ 150 #endif 151 152 153 #define O_NOCTTY 0x20000 /* don't assign controlling terminal */ 154 155 156 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 157 #define O_DIRECTORY 0x100000 158 #define O_SYMLINK 0x200000 /* allow open of a symlink */ 159 #endif 160 161 #include <sys/_types/_o_dsync.h> 162 163 164 #if __DARWIN_C_LEVEL >= 200809L 165 #define O_CLOEXEC 0x1000000 /* implicitly set FD_CLOEXEC */ 166 #endif 167 168 169 170 171 172 /* Data Protection Flags */ 173 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 174 #define O_DP_GETRAWENCRYPTED 0x0001 175 #define O_DP_GETRAWUNENCRYPTED 0x0002 176 #endif 177 178 179 180 /* 181 * The O_* flags used to have only F* names, which were used in the kernel 182 * and by fcntl. We retain the F* names for the kernel f_flags field 183 * and for backward compatibility for fcntl. 184 */ 185 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 186 #define FAPPEND O_APPEND /* kernel/compat */ 187 #define FASYNC O_ASYNC /* kernel/compat */ 188 #define FFSYNC O_FSYNC /* kernel */ 189 #define FFDSYNC O_DSYNC /* kernel */ 190 #define FNONBLOCK O_NONBLOCK /* kernel */ 191 #define FNDELAY O_NONBLOCK /* compat */ 192 #define O_NDELAY O_NONBLOCK /* compat */ 193 #endif 194 195 /* 196 * Flags used for copyfile(2) 197 */ 198 199 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 200 #define CPF_OVERWRITE 0x0001 201 #define CPF_IGNORE_MODE 0x0002 202 #define CPF_MASK (CPF_OVERWRITE|CPF_IGNORE_MODE) 203 #endif 204 205 /* 206 * Constants used for fcntl(2) 207 */ 208 209 /* command values */ 210 #define F_DUPFD 0 /* duplicate file descriptor */ 211 #define F_GETFD 1 /* get file descriptor flags */ 212 #define F_SETFD 2 /* set file descriptor flags */ 213 #define F_GETFL 3 /* get file status flags */ 214 #define F_SETFL 4 /* set file status flags */ 215 #define F_GETOWN 5 /* get SIGIO/SIGURG proc/pgrp */ 216 #define F_SETOWN 6 /* set SIGIO/SIGURG proc/pgrp */ 217 #define F_GETLK 7 /* get record locking information */ 218 #define F_SETLK 8 /* set record locking information */ 219 #define F_SETLKW 9 /* F_SETLK; wait if blocked */ 220 #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL 221 #define F_SETLKWTIMEOUT 10 /* F_SETLK; wait if blocked, return on timeout */ 222 #endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */ 223 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 224 #define F_FLUSH_DATA 40 225 #define F_CHKCLEAN 41 /* Used for regression test */ 226 #define F_PREALLOCATE 42 /* Preallocate storage */ 227 #define F_SETSIZE 43 /* Truncate a file without zeroing space */ 228 #define F_RDADVISE 44 /* Issue an advisory read async with no copy to user */ 229 #define F_RDAHEAD 45 /* turn read ahead off/on for this fd */ 230 /* 231 * 46,47 used to be F_READBOOTSTRAP and F_WRITEBOOTSTRAP 232 */ 233 #define F_NOCACHE 48 /* turn data caching off/on for this fd */ 234 #define F_LOG2PHYS 49 /* file offset to device offset */ 235 #define F_GETPATH 50 /* return the full path of the fd */ 236 #define F_FULLFSYNC 51 /* fsync + ask the drive to flush to the media */ 237 #define F_PATHPKG_CHECK 52 /* find which component (if any) is a package */ 238 #define F_FREEZE_FS 53 /* "freeze" all fs operations */ 239 #define F_THAW_FS 54 /* "thaw" all fs operations */ 240 #define F_GLOBAL_NOCACHE 55 /* turn data caching off/on (globally) for this file */ 241 242 243 #define F_ADDSIGS 59 /* add detached signatures */ 244 245 246 #define F_ADDFILESIGS 61 /* add signature from same file (used by dyld for shared libs) */ 247 248 #define F_NODIRECT 62 /* used in conjunction with F_NOCACHE to indicate that DIRECT, synchonous writes */ 249 /* should not be used (i.e. its ok to temporaily create cached pages) */ 250 251 #define F_GETPROTECTIONCLASS 63 /* Get the protection class of a file from the EA, returns int */ 252 #define F_SETPROTECTIONCLASS 64 /* Set the protection class of a file for the EA, requires int */ 253 254 #define F_LOG2PHYS_EXT 65 /* file offset to device offset, extended */ 255 256 #define F_GETLKPID 66 /* get record locking information, per-process */ 257 258 /* See F_DUPFD_CLOEXEC below for 67 */ 259 260 261 #define F_SETBACKINGSTORE 70 /* Mark the file as being the backing store for another filesystem */ 262 #define F_GETPATH_MTMINFO 71 /* return the full path of the FD, but error in specific mtmd circumstances */ 263 264 #define F_GETCODEDIR 72 /* Returns the code directory, with associated hashes, to the caller */ 265 266 #define F_SETNOSIGPIPE 73 /* No SIGPIPE generated on EPIPE */ 267 #define F_GETNOSIGPIPE 74 /* Status of SIGPIPE for this fd */ 268 269 #define F_TRANSCODEKEY 75 /* For some cases, we need to rewrap the key for AKS/MKB */ 270 271 #define F_SINGLE_WRITER 76 /* file being written to a by single writer... if throttling enabled, writes */ 272 /* may be broken into smaller chunks with throttling in between */ 273 274 #define F_GETPROTECTIONLEVEL 77 /* Get the protection version number for this filesystem */ 275 276 #define F_FINDSIGS 78 /* Add detached code signatures (used by dyld for shared libs) */ 277 278 279 #define F_ADDFILESIGS_FOR_DYLD_SIM 83 /* Add signature from same file, only if it is signed by Apple (used by dyld for simulator) */ 280 281 282 #define F_BARRIERFSYNC 85 /* fsync + issue barrier to drive */ 283 284 285 #define F_ADDFILESIGS_RETURN 97 /* Add signature from same file, return end offset in structure on success */ 286 #define F_CHECK_LV 98 /* Check if Library Validation allows this Mach-O file to be mapped into the calling process */ 287 288 #define F_PUNCHHOLE 99 /* Deallocate a range of the file */ 289 290 #define F_TRIM_ACTIVE_FILE 100 /* Trim an active file */ 291 292 #define F_SPECULATIVE_READ 101 /* Synchronous advisory read fcntl for regular and compressed file */ 293 294 #define F_GETPATH_NOFIRMLINK 102 /* return the full path without firmlinks of the fd */ 295 296 // FS-specific fcntl()'s numbers begin at 0x00010000 and go up 297 #define FCNTL_FS_SPECIFIC_BASE 0x00010000 298 299 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ 300 301 #if __DARWIN_C_LEVEL >= 200809L 302 #define F_DUPFD_CLOEXEC 67 /* mark the dup with FD_CLOEXEC */ 303 #endif 304 305 /* file descriptor flags (F_GETFD, F_SETFD) */ 306 #define FD_CLOEXEC 1 /* close-on-exec flag */ 307 308 /* record locking flags (F_GETLK, F_SETLK, F_SETLKW) */ 309 #define F_RDLCK 1 /* shared or read lock */ 310 #define F_UNLCK 2 /* unlock */ 311 #define F_WRLCK 3 /* exclusive or write lock */ 312 313 314 /* 315 * [XSI] The values used for l_whence shall be defined as described 316 * in <unistd.h> 317 */ 318 #include <sys/_types/_seek_set.h> 319 320 /* 321 * [XSI] The symbolic names for file modes for use as values of mode_t 322 * shall be defined as described in <sys/stat.h> 323 */ 324 #include <sys/_types/_s_ifmt.h> 325 326 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 327 /* allocate flags (F_PREALLOCATE) */ 328 329 #define F_ALLOCATECONTIG 0x00000002 /* allocate contigious space */ 330 #define F_ALLOCATEALL 0x00000004 /* allocate all requested space or no space at all */ 331 332 /* Position Modes (fst_posmode) for F_PREALLOCATE */ 333 334 #define F_PEOFPOSMODE 3 /* Make it past all of the SEEK pos modes so that */ 335 /* we can keep them in sync should we desire */ 336 #define F_VOLPOSMODE 4 /* specify volume starting postion */ 337 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ 338 339 /* 340 * Advisory file segment locking data type - 341 * information passed to system by user 342 */ 343 struct flock { 344 off_t l_start; /* starting offset */ 345 off_t l_len; /* len = 0 means until end of file */ 346 pid_t l_pid; /* lock owner */ 347 short l_type; /* lock type: read/write, etc. */ 348 short l_whence; /* type of l_start */ 349 }; 350 351 #include <sys/_types/_timespec.h> 352 353 #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL 354 /* 355 * Advisory file segment locking with time out - 356 * Information passed to system by user for F_SETLKWTIMEOUT 357 */ 358 struct flocktimeout { 359 struct flock fl; /* flock passed for file locking */ 360 struct timespec timeout; /* timespec struct for timeout */ 361 }; 362 #endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */ 363 364 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 365 /* 366 * advisory file read data type - 367 * information passed by user to system 368 */ 369 370 371 struct radvisory { 372 off_t ra_offset; 373 int ra_count; 374 }; 375 376 377 /** Information the user passes in to get the codeblobs out of the kernel */ 378 typedef struct fcodeblobs { 379 void *f_cd_hash; 380 size_t f_hash_size; 381 void *f_cd_buffer; 382 size_t f_cd_size; 383 unsigned int *f_out_size; 384 int f_arch; 385 int __padding; 386 } fcodeblobs_t; 387 388 389 /* 390 * detached code signatures data type - 391 * information passed by user to system used by F_ADDSIGS and F_ADDFILESIGS. 392 * F_ADDFILESIGS is a shortcut for files that contain their own signature and 393 * doesn't require mapping of the file in order to load the signature. 394 */ 395 typedef struct fsignatures { 396 off_t fs_file_start; 397 void *fs_blob_start; 398 size_t fs_blob_size; 399 } fsignatures_t; 400 401 /* 402 * DYLD needs to check if the object is allowed to be combined 403 * into the main binary. This is done between the code signature 404 * is loaded and dyld is doing all the work to process the LOAD commands. 405 * 406 * While this could be done in F_ADDFILESIGS.* family the hook into 407 * the MAC module doesn't say no when LV isn't enabled and then that 408 * is cached on the vnode, and the MAC module never gets change once 409 * a process that library validation enabled. 410 */ 411 typedef struct fchecklv { 412 off_t lv_file_start; 413 size_t lv_error_message_size; 414 void *lv_error_message; 415 } fchecklv_t; 416 417 418 419 /* lock operations for flock(2) */ 420 #define LOCK_SH 0x01 /* shared file lock */ 421 #define LOCK_EX 0x02 /* exclusive file lock */ 422 #define LOCK_NB 0x04 /* don't block when locking */ 423 #define LOCK_UN 0x08 /* unlock file */ 424 425 /* fstore_t type used by F_PREALLOCATE command */ 426 427 typedef struct fstore { 428 unsigned int fst_flags; /* IN: flags word */ 429 int fst_posmode; /* IN: indicates use of offset field */ 430 off_t fst_offset; /* IN: start of the region */ 431 off_t fst_length; /* IN: size of the region */ 432 off_t fst_bytesalloc; /* OUT: number of bytes allocated */ 433 } fstore_t; 434 435 /* fpunchhole_t used by F_PUNCHHOLE */ 436 typedef struct fpunchhole { 437 unsigned int fp_flags; /* unused */ 438 unsigned int reserved; /* (to maintain 8-byte alignment) */ 439 off_t fp_offset; /* IN: start of the region */ 440 off_t fp_length; /* IN: size of the region */ 441 } fpunchhole_t; 442 443 /* factive_file_trim_t used by F_TRIM_ACTIVE_FILE */ 444 typedef struct ftrimactivefile { 445 off_t fta_offset; /* IN: start of the region */ 446 off_t fta_length; /* IN: size of the region */ 447 } ftrimactivefile_t; 448 449 /* fspecread_t used by F_SPECULATIVE_READ */ 450 typedef struct fspecread { 451 unsigned int fsr_flags; /* IN: flags word */ 452 unsigned int reserved; /* to maintain 8-byte alignment */ 453 off_t fsr_offset; /* IN: start of the region */ 454 off_t fsr_length; /* IN: size of the region */ 455 } fspecread_t; 456 457 /* fbootstraptransfer_t used by F_READBOOTSTRAP and F_WRITEBOOTSTRAP commands */ 458 459 typedef struct fbootstraptransfer { 460 off_t fbt_offset; /* IN: offset to start read/write */ 461 size_t fbt_length; /* IN: number of bytes to transfer */ 462 void *fbt_buffer; /* IN: buffer to be read/written */ 463 } fbootstraptransfer_t; 464 465 466 /* 467 * For F_LOG2PHYS this information is passed back to user 468 * Currently only devoffset is returned - that is the VOP_BMAP 469 * result - the disk device address corresponding to the 470 * current file offset (likely set with an lseek). 471 * 472 * The flags could hold an indication of whether the # of 473 * contiguous bytes reflects the true extent length on disk, 474 * or is an advisory value that indicates there is at least that 475 * many bytes contiguous. For some filesystems it might be too 476 * inefficient to provide anything beyond the advisory value. 477 * Flags and contiguous bytes return values are not yet implemented. 478 * For them the fcntl will nedd to switch from using BMAP to CMAP 479 * and a per filesystem type flag will be needed to interpret the 480 * contiguous bytes count result from CMAP. 481 * 482 * F_LOG2PHYS_EXT is a variant of F_LOG2PHYS that uses a passed in 483 * file offset and length instead of the current file offset. 484 * F_LOG2PHYS_EXT operates on the same structure as F_LOG2PHYS, but 485 * treats it as an in/out. 486 */ 487 #pragma pack(4) 488 489 struct log2phys { 490 unsigned int l2p_flags; /* unused so far */ 491 off_t l2p_contigbytes; /* F_LOG2PHYS: unused so far */ 492 /* F_LOG2PHYS_EXT: IN: number of bytes to be queried */ 493 /* OUT: number of contiguous bytes at this position */ 494 off_t l2p_devoffset; /* F_LOG2PHYS: OUT: bytes into device */ 495 /* F_LOG2PHYS_EXT: IN: bytes into file */ 496 /* OUT: bytes into device */ 497 }; 498 499 #pragma pack() 500 501 #define O_POPUP 0x80000000 /* force window to popup on open */ 502 #define O_ALERT 0x20000000 /* small, clean popup window */ 503 504 505 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ 506 507 508 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 509 510 #include <sys/_types/_filesec_t.h> 511 512 typedef enum { 513 FILESEC_OWNER = 1, 514 FILESEC_GROUP = 2, 515 FILESEC_UUID = 3, 516 FILESEC_MODE = 4, 517 FILESEC_ACL = 5, 518 FILESEC_GRPUUID = 6, 519 520 /* XXX these are private to the implementation */ 521 FILESEC_ACL_RAW = 100, 522 FILESEC_ACL_ALLOCSIZE = 101 523 } filesec_property_t; 524 525 /* XXX backwards compatibility */ 526 #define FILESEC_GUID FILESEC_UUID 527 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ 528 529 __BEGIN_DECLS 530 int open(const char *, int, ...) __DARWIN_ALIAS_C(open); 531 #if __DARWIN_C_LEVEL >= 200809L 532 int openat(int, const char *, int, ...) __DARWIN_NOCANCEL(openat) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0); 533 #endif 534 int creat(const char *, mode_t) __DARWIN_ALIAS_C(creat); 535 int fcntl(int, int, ...) __DARWIN_ALIAS_C(fcntl); 536 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 537 538 int openx_np(const char *, int, filesec_t); 539 /* 540 * data-protected non-portable open(2) : 541 * int open_dprotected_np(user_addr_t path, int flags, int class, int dpflags, int mode) 542 */ 543 int open_dprotected_np( const char *, int, int, int, ...); 544 int flock(int, int); 545 filesec_t filesec_init(void); 546 filesec_t filesec_dup(filesec_t); 547 void filesec_free(filesec_t); 548 int filesec_get_property(filesec_t, filesec_property_t, void *); 549 int filesec_query_property(filesec_t, filesec_property_t, int *); 550 int filesec_set_property(filesec_t, filesec_property_t, const void *); 551 int filesec_unset_property(filesec_t, filesec_property_t) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2); 552 #define _FILESEC_UNSET_PROPERTY ((void *)0) 553 #define _FILESEC_REMOVE_ACL ((void *)1) 554 #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ 555 __END_DECLS 556 557 #endif /* !_SYS_FCNTL_H_ */