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#ifndef KERNEL 81#include <Availability.h> 82#endif 83 84/* We should not be exporting size_t here. Temporary for gcc bootstrapping. */ 85#include <sys/_types/_size_t.h> 86#include <sys/_types/_mode_t.h> 87#include <sys/_types/_off_t.h> 88#include <sys/_types/_pid_t.h> 89 90/* 91 * File status flags: these are used by open(2), fcntl(2). 92 * They are also used (indirectly) in the kernel file structure f_flags, 93 * which is a superset of the open/fcntl flags. Open flags and f_flags 94 * are inter-convertible using OFLAGS(fflags) and FFLAGS(oflags). 95 * Open/fcntl flags begin with O_; kernel-internal flags begin with F. 96 */ 97/* open-only flags */ 98#define O_RDONLY 0x0000 /* open for reading only */ 99#define O_WRONLY 0x0001 /* open for writing only */ 100#define O_RDWR 0x0002 /* open for reading and writing */ 101#define O_ACCMODE 0x0003 /* mask for above modes */ 102 103/* 104 * Kernel encoding of open mode; separate read and write bits that are 105 * independently testable: 1 greater than the above. 106 * 107 * XXX 108 * FREAD and FWRITE are excluded from the #ifdef KERNEL so that TIOCFLUSH, 109 * which was documented to use FREAD/FWRITE, continues to work. 110 */ 111#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 112#define FREAD 0x0001 113#define FWRITE 0x0002 114#endif 115#define O_NONBLOCK 0x0004 /* no delay */ 116#define O_APPEND 0x0008 /* set append mode */ 117 118#include <sys/_types/_o_sync.h> 119 120#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 121#define O_SHLOCK 0x0010 /* open with shared file lock */ 122#define O_EXLOCK 0x0020 /* open with exclusive file lock */ 123#define O_ASYNC 0x0040 /* signal pgrp when data ready */ 124#define O_FSYNC O_SYNC /* source compatibility: do not use */ 125#define O_NOFOLLOW 0x0100 /* don't follow symlinks */ 126#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ 127#define O_CREAT 0x0200 /* create if nonexistant */ 128#define O_TRUNC 0x0400 /* truncate to zero length */ 129#define O_EXCL 0x0800 /* error if already exists */ 130#ifdef KERNEL 131#define FMARK 0x1000 /* mark during gc() */ 132#define FDEFER 0x2000 /* defer for next gc pass */ 133#define FHASLOCK 0x4000 /* descriptor holds advisory lock */ 134#endif 135#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 136#define O_EVTONLY 0x8000 /* descriptor requested for event notifications only */ 137#endif 138 139#ifdef KERNEL 140#define FWASWRITTEN 0x10000 /* descriptor was written */ 141#endif 142 143#define O_NOCTTY 0x20000 /* don't assign controlling terminal */ 144 145#ifdef KERNEL 146#define FNOCACHE 0x40000 /* fcntl(F_NOCACHE, 1) */ 147#define FNORDAHEAD 0x80000 /* fcntl(F_RDAHEAD, 0) */ 148#endif 149 150#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 151#define O_DIRECTORY 0x100000 152#define O_SYMLINK 0x200000 /* allow open of a symlink */ 153#endif 154 155#include <sys/_types/_o_dsync.h> 156 157#ifdef KERNEL 158#define FNODIRECT 0x800000 /* fcntl(F_NODIRECT, 1) */ 159#endif 160 161#if __DARWIN_C_LEVEL >= 200809L 162#define O_CLOEXEC 0x1000000 /* implicitly set FD_CLOEXEC */ 163#endif 164 165#ifdef KERNEL 166#define FENCRYPTED 0x2000000 167#endif 168 169#ifdef KERNEL 170#define FSINGLE_WRITER 0x4000000 /* fcntl(F_SINGLE_WRITER, 1) */ 171#endif 172 173#ifdef KERNEL 174#define O_CLOFORK 0x8000000 /* implicitly set FD_CLOFORK */ 175#endif 176 177/* Data Protection Flags */ 178#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 179#define O_DP_GETRAWENCRYPTED 0x0001 180#endif 181 182 183#ifdef KERNEL 184/* convert from open() flags to/from fflags; convert O_RD/WR to FREAD/FWRITE */ 185#define FFLAGS(oflags) ((oflags) + 1) 186#define OFLAGS(fflags) ((fflags) - 1) 187 188/* bits to save after open */ 189#define FMASK (FREAD|FWRITE|FAPPEND|FASYNC|FFSYNC|FFDSYNC|FNONBLOCK) 190/* bits settable by fcntl(F_SETFL, ...) */ 191#define FCNTLFLAGS (FAPPEND|FASYNC|FFSYNC|FFDSYNC|FNONBLOCK) 192#endif 193 194/* 195 * The O_* flags used to have only F* names, which were used in the kernel 196 * and by fcntl. We retain the F* names for the kernel f_flags field 197 * and for backward compatibility for fcntl. 198 */ 199#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 200#define FAPPEND O_APPEND /* kernel/compat */ 201#define FASYNC O_ASYNC /* kernel/compat */ 202#define FFSYNC O_FSYNC /* kernel */ 203#define FFDSYNC O_DSYNC /* kernel */ 204#define FNONBLOCK O_NONBLOCK /* kernel */ 205#define FNDELAY O_NONBLOCK /* compat */ 206#define O_NDELAY O_NONBLOCK /* compat */ 207#endif 208 209/* 210 * Flags used for copyfile(2) 211 */ 212 213#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 214#define CPF_OVERWRITE 1 215#define CPF_IGNORE_MODE 2 216#define CPF_MASK (CPF_OVERWRITE|CPF_IGNORE_MODE) 217#endif 218 219/* 220 * Constants used for fcntl(2) 221 */ 222 223/* command values */ 224#define F_DUPFD 0 /* duplicate file descriptor */ 225#define F_GETFD 1 /* get file descriptor flags */ 226#define F_SETFD 2 /* set file descriptor flags */ 227#define F_GETFL 3 /* get file status flags */ 228#define F_SETFL 4 /* set file status flags */ 229#define F_GETOWN 5 /* get SIGIO/SIGURG proc/pgrp */ 230#define F_SETOWN 6 /* set SIGIO/SIGURG proc/pgrp */ 231#define F_GETLK 7 /* get record locking information */ 232#define F_SETLK 8 /* set record locking information */ 233#define F_SETLKW 9 /* F_SETLK; wait if blocked */ 234#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL 235#define F_SETLKWTIMEOUT 10 /* F_SETLK; wait if blocked, return on timeout */ 236#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */ 237#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 238#define F_FLUSH_DATA 40 239#define F_CHKCLEAN 41 /* Used for regression test */ 240#define F_PREALLOCATE 42 /* Preallocate storage */ 241#define F_SETSIZE 43 /* Truncate a file without zeroing space */ 242#define F_RDADVISE 44 /* Issue an advisory read async with no copy to user */ 243#define F_RDAHEAD 45 /* turn read ahead off/on for this fd */ 244/* 245 * 46,47 used to be F_READBOOTSTRAP and F_WRITEBOOTSTRAP 246 */ 247#define F_NOCACHE 48 /* turn data caching off/on for this fd */ 248#define F_LOG2PHYS 49 /* file offset to device offset */ 249#define F_GETPATH 50 /* return the full path of the fd */ 250#define F_FULLFSYNC 51 /* fsync + ask the drive to flush to the media */ 251#define F_PATHPKG_CHECK 52 /* find which component (if any) is a package */ 252#define F_FREEZE_FS 53 /* "freeze" all fs operations */ 253#define F_THAW_FS 54 /* "thaw" all fs operations */ 254#define F_GLOBAL_NOCACHE 55 /* turn data caching off/on (globally) for this file */ 255 256#ifdef PRIVATE 257#define F_OPENFROM 56 /* SPI: open a file relative to fd (must be a dir) */ 258#define F_UNLINKFROM 57 /* SPI: open a file relative to fd (must be a dir) */ 259#define F_CHECK_OPENEVT 58 /* SPI: if a process is marked OPENEVT, or in O_EVTONLY on opens of this vnode */ 260#endif /* PRIVATE */ 261 262#define F_ADDSIGS 59 /* add detached signatures */ 263 264#ifdef PRIVATE 265/* Deprecated/Removed in 10.9 */ 266#define F_MARKDEPENDENCY 60 /* this process hosts the device supporting the fs backing this fd */ 267#endif 268 269#define F_ADDFILESIGS 61 /* add signature from same file (used by dyld for shared libs) */ 270 271#define F_NODIRECT 62 /* used in conjunction with F_NOCACHE to indicate that DIRECT, synchonous writes */ 272 /* should not be used (i.e. its ok to temporaily create cached pages) */ 273 274#define F_GETPROTECTIONCLASS 63 /* Get the protection class of a file from the EA, returns int */ 275#define F_SETPROTECTIONCLASS 64 /* Set the protection class of a file for the EA, requires int */ 276 277#define F_LOG2PHYS_EXT 65 /* file offset to device offset, extended */ 278 279#define F_GETLKPID 66 /* get record locking information, per-process */ 280 281/* See F_DUPFD_CLOEXEC below for 67 */ 282 283#ifdef PRIVATE 284#define F_SETSTATICCONTENT 68 /* 285 * indicate to the filesystem/storage driver that the content to be 286 * written is usually static. a nonzero value enables it, 0 disables it. 287 */ 288#define F_MOVEDATAEXTENTS 69 /* Swap only the data associated with two files */ 289#endif 290 291#define F_SETBACKINGSTORE 70 /* Mark the file as being the backing store for another filesystem */ 292#define F_GETPATH_MTMINFO 71 /* return the full path of the FD, but error in specific mtmd circumstances */ 293 294/* 72 is free. It used to be F_GETENCRYPTEDDATA, which is now removed. */ 295 296#define F_SETNOSIGPIPE 73 /* No SIGPIPE generated on EPIPE */ 297#define F_GETNOSIGPIPE 74 /* Status of SIGPIPE for this fd */ 298 299#define F_TRANSCODEKEY 75 /* For some cases, we need to rewrap the key for AKS/MKB */ 300 301#define F_SINGLE_WRITER 76 /* file being written to a by single writer... if throttling enabled, writes */ 302 /* may be broken into smaller chunks with throttling in between */ 303 304#define F_GETPROTECTIONLEVEL 77 /* Get the protection version number for this filesystem */ 305 306#define F_FINDSIGS 78 /* Add detached code signatures (used by dyld for shared libs) */ 307 308#ifdef PRIVATE 309#define F_GETDEFAULTPROTLEVEL 79 /* Get the default protection level for the filesystem */ 310#define F_MAKECOMPRESSED 80 /* Make the file compressed; truncate & toggle BSD bits */ 311#define F_SET_GREEDY_MODE 81 /* 312 * indicate to the filesystem/storage driver that the content to be 313 * written should be written in greedy mode for additional speed at 314 * the cost of storage efficiency. A nonzero value enables it, 0 disables it. 315 */ 316#endif 317 318 319// FS-specific fcntl()'s numbers begin at 0x00010000 and go up 320#define FCNTL_FS_SPECIFIC_BASE 0x00010000 321 322#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ 323 324#if __DARWIN_C_LEVEL >= 200809L 325#define F_DUPFD_CLOEXEC 67 /* mark the dup with FD_CLOEXEC */ 326#endif 327 328/* file descriptor flags (F_GETFD, F_SETFD) */ 329#define FD_CLOEXEC 1 /* close-on-exec flag */ 330#if PRIVATE 331#define FD_CLOFORK 2 /* close-on-fork flag */ 332#endif 333 334/* record locking flags (F_GETLK, F_SETLK, F_SETLKW) */ 335#define F_RDLCK 1 /* shared or read lock */ 336#define F_UNLCK 2 /* unlock */ 337#define F_WRLCK 3 /* exclusive or write lock */ 338#ifdef KERNEL 339#define F_WAIT 0x010 /* Wait until lock is granted */ 340#define F_FLOCK 0x020 /* Use flock(2) semantics for lock */ 341#define F_POSIX 0x040 /* Use POSIX semantics for lock */ 342#define F_PROV 0x080 /* Non-coalesced provisional lock */ 343#define F_WAKE1_SAFE 0x100 /* its safe to only wake one waiter */ 344#define F_ABORT 0x200 /* lock attempt aborted (force umount) */ 345#endif 346 347/* 348 * [XSI] The values used for l_whence shall be defined as described 349 * in <unistd.h> 350 */ 351#include <sys/_types/_seek_set.h> 352 353/* 354 * [XSI] The symbolic names for file modes for use as values of mode_t 355 * shall be defined as described in <sys/stat.h> 356 */ 357#include <sys/_types/_s_ifmt.h> 358 359#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 360/* allocate flags (F_PREALLOCATE) */ 361 362#define F_ALLOCATECONTIG 0x00000002 /* allocate contigious space */ 363#define F_ALLOCATEALL 0x00000004 /* allocate all requested space or no space at all */ 364 365/* Position Modes (fst_posmode) for F_PREALLOCATE */ 366 367#define F_PEOFPOSMODE 3 /* Make it past all of the SEEK pos modes so that */ 368 /* we can keep them in sync should we desire */ 369#define F_VOLPOSMODE 4 /* specify volume starting postion */ 370#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ 371 372/* 373 * Advisory file segment locking data type - 374 * information passed to system by user 375 */ 376struct flock { 377 off_t l_start; /* starting offset */ 378 off_t l_len; /* len = 0 means until end of file */ 379 pid_t l_pid; /* lock owner */ 380 short l_type; /* lock type: read/write, etc. */ 381 short l_whence; /* type of l_start */ 382}; 383 384#include <sys/_types/_timespec.h> 385 386#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL 387/* 388 * Advisory file segment locking with time out - 389 * Information passed to system by user for F_SETLKWTIMEOUT 390 */ 391struct flocktimeout { 392 struct flock fl; /* flock passed for file locking */ 393 struct timespec timeout; /* timespec struct for timeout */ 394}; 395#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */ 396 397#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 398/* 399 * advisory file read data type - 400 * information passed by user to system 401 */ 402 403#ifdef KERNEL 404#pragma pack(4) /* prevent structure padding in kernel */ 405#endif /* KERNEL */ 406 407struct radvisory { 408 off_t ra_offset; 409 int ra_count; 410}; 411 412#ifdef KERNEL 413#pragma pack() 414#endif /* KERNEL */ 415 416/* 417 * detached code signatures data type - 418 * information passed by user to system used by F_ADDSIGS and F_ADDFILESIGS. 419 * F_ADDFILESIGS is a shortcut for files that contain their own signature and 420 * doesn't require mapping of the file in order to load the signature. 421 */ 422typedef struct fsignatures { 423 off_t fs_file_start; 424 void *fs_blob_start; 425 size_t fs_blob_size; 426} fsignatures_t; 427#ifdef KERNEL 428/* LP64 version of fsignatures. all pointers 429 * grow when we're dealing with a 64-bit process. 430 * WARNING - keep in sync with fsignatures 431 */ 432 433typedef struct user32_fsignatures { 434 off_t fs_file_start; 435 user32_addr_t fs_blob_start; 436 user32_size_t fs_blob_size; 437} user32_fsignatures_t; 438 439typedef struct user_fsignatures { 440 off_t fs_file_start; /* offset of Mach-O image in FAT file */ 441 user_addr_t fs_blob_start; /* F_ADDSIGS: mem address of signature*/ 442 /* F_ADDFILESIGS: offset of signature */ 443 /* in Mach-O image */ 444 user_size_t fs_blob_size; /* size of signature blob */ 445} user_fsignatures_t; 446#endif /* KERNEL */ 447 448/* lock operations for flock(2) */ 449#define LOCK_SH 0x01 /* shared file lock */ 450#define LOCK_EX 0x02 /* exclusive file lock */ 451#define LOCK_NB 0x04 /* don't block when locking */ 452#define LOCK_UN 0x08 /* unlock file */ 453 454/* fstore_t type used by F_DEALLOCATE and F_PREALLOCATE commands */ 455 456typedef struct fstore { 457 unsigned int fst_flags; /* IN: flags word */ 458 int fst_posmode; /* IN: indicates use of offset field */ 459 off_t fst_offset; /* IN: start of the region */ 460 off_t fst_length; /* IN: size of the region */ 461 off_t fst_bytesalloc; /* OUT: number of bytes allocated */ 462} fstore_t; 463 464/* fbootstraptransfer_t used by F_READBOOTSTRAP and F_WRITEBOOTSTRAP commands */ 465 466typedef struct fbootstraptransfer { 467 off_t fbt_offset; /* IN: offset to start read/write */ 468 size_t fbt_length; /* IN: number of bytes to transfer */ 469 void *fbt_buffer; /* IN: buffer to be read/written */ 470} fbootstraptransfer_t; 471 472#ifdef KERNEL 473/* LP64 version of fbootstraptransfer. all pointers 474 * grow when we're dealing with a 64-bit process. 475 * WARNING - keep in sync with fbootstraptransfer 476 */ 477 478typedef struct user32_fbootstraptransfer { 479 off_t fbt_offset; /* IN: offset to start read/write */ 480 user32_size_t fbt_length; /* IN: number of bytes to transfer */ 481 user32_addr_t fbt_buffer; /* IN: buffer to be read/written */ 482} user32_fbootstraptransfer_t; 483 484typedef struct user_fbootstraptransfer { 485 off_t fbt_offset; /* IN: offset to start read/write */ 486 user_size_t fbt_length; /* IN: number of bytes to transfer */ 487 user_addr_t fbt_buffer; /* IN: buffer to be read/written */ 488} user_fbootstraptransfer_t; 489 490#endif // KERNEL 491 492/* 493 * For F_LOG2PHYS this information is passed back to user 494 * Currently only devoffset is returned - that is the VOP_BMAP 495 * result - the disk device address corresponding to the 496 * current file offset (likely set with an lseek). 497 * 498 * The flags could hold an indication of whether the # of 499 * contiguous bytes reflects the true extent length on disk, 500 * or is an advisory value that indicates there is at least that 501 * many bytes contiguous. For some filesystems it might be too 502 * inefficient to provide anything beyond the advisory value. 503 * Flags and contiguous bytes return values are not yet implemented. 504 * For them the fcntl will nedd to switch from using BMAP to CMAP 505 * and a per filesystem type flag will be needed to interpret the 506 * contiguous bytes count result from CMAP. 507 * 508 * F_LOG2PHYS_EXT is a variant of F_LOG2PHYS that uses a passed in 509 * file offset and length instead of the current file offset. 510 * F_LOG2PHYS_EXT operates on the same structure as F_LOG2PHYS, but 511 * treats it as an in/out. 512 */ 513#pragma pack(4) 514 515struct log2phys { 516 unsigned int l2p_flags; /* unused so far */ 517 off_t l2p_contigbytes; /* F_LOG2PHYS: unused so far */ 518 /* F_LOG2PHYS_EXT: IN: number of bytes to be queried */ 519 /* OUT: number of contiguous bytes at this position */ 520 off_t l2p_devoffset; /* F_LOG2PHYS: OUT: bytes into device */ 521 /* F_LOG2PHYS_EXT: IN: bytes into file */ 522 /* OUT: bytes into device */ 523}; 524 525#pragma pack() 526 527#define O_POPUP 0x80000000 /* force window to popup on open */ 528#define O_ALERT 0x20000000 /* small, clean popup window */ 529 530#ifdef PRIVATE 531/* 532 * SPI: Argument data for F_OPENFROM 533 */ 534struct fopenfrom { 535 unsigned int o_flags; /* same as open(2) */ 536 mode_t o_mode; /* same as open(2) */ 537 char * o_pathname; /* relative pathname */ 538}; 539 540#ifdef KERNEL 541/* 542 * LP64 version of fopenfrom. Memory pointers 543 * grow when we're dealing with a 64-bit process. 544 * 545 * WARNING - keep in sync with fopenfrom (above) 546 */ 547struct user32_fopenfrom { 548 unsigned int o_flags; 549 mode_t o_mode; 550 user32_addr_t o_pathname; 551}; 552 553struct user_fopenfrom { 554 unsigned int o_flags; 555 mode_t o_mode; 556 user_addr_t o_pathname; 557}; 558#endif /* KERNEL */ 559 560#endif /* PRIVATE */ 561 562#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ 563 564#ifndef KERNEL 565 566#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 567 568#include <sys/_types/_filesec_t.h> 569 570typedef enum { 571 FILESEC_OWNER = 1, 572 FILESEC_GROUP = 2, 573 FILESEC_UUID = 3, 574 FILESEC_MODE = 4, 575 FILESEC_ACL = 5, 576 FILESEC_GRPUUID = 6, 577 578/* XXX these are private to the implementation */ 579 FILESEC_ACL_RAW = 100, 580 FILESEC_ACL_ALLOCSIZE = 101 581} filesec_property_t; 582 583/* XXX backwards compatibility */ 584#define FILESEC_GUID FILESEC_UUID 585#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ 586 587__BEGIN_DECLS 588int open(const char *, int, ...) __DARWIN_ALIAS_C(open); 589int creat(const char *, mode_t) __DARWIN_ALIAS_C(creat); 590int fcntl(int, int, ...) __DARWIN_ALIAS_C(fcntl); 591#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 592 593#ifdef PRIVATE 594/* 595 * These definitions are retained temporarily for compatibility. 596 * If you want to use fileports, please use 597 * #include <sys/fileport.h> 598 * or 599 * #include <System/sys/fileport.h> 600 */ 601#ifndef _FILEPORT_T 602#define _FILEPORT_T 603typedef __darwin_mach_port_t fileport_t; 604#define FILEPORT_NULL ((fileport_t)0) 605#endif /* _FILEPORT_T */ 606 607int fileport_makeport(int, fileport_t*); 608int fileport_makefd(fileport_t); 609#endif /* PRIVATE */ 610int openx_np(const char *, int, filesec_t); 611/* data-protected non-portable open(2) */ 612int open_dprotected_np ( const char *, int, int, int, ...); 613int flock(int, int); 614filesec_t filesec_init(void); 615filesec_t filesec_dup(filesec_t); 616void filesec_free(filesec_t); 617int filesec_get_property(filesec_t, filesec_property_t, void *); 618int filesec_query_property(filesec_t, filesec_property_t, int *); 619int filesec_set_property(filesec_t, filesec_property_t, const void *); 620int filesec_unset_property(filesec_t, filesec_property_t) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2); 621#define _FILESEC_UNSET_PROPERTY ((void *)0) 622#define _FILESEC_REMOVE_ACL ((void *)1) 623#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ 624__END_DECLS 625#endif 626 627#endif /* !_SYS_FCNTL_H_ */ 628