/* * Copyright (c) 2000-2013 Apple Inc. All rights reserved. * * @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. 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 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * 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_OSREFERENCE_LICENSE_HEADER_END@ */ /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ /*- * Copyright (c) 1983, 1990, 1993 * The Regents of the University of California. All rights reserved. * (c) UNIX System Laboratories, Inc. * All or some portions of this file are derived from material licensed * to the University of California by American Telephone and Telegraph * Co. or Unix System Laboratories, Inc. and are reproduced herein with * the permission of UNIX System Laboratories, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)fcntl.h 8.3 (Berkeley) 1/21/94 */ #ifndef _SYS_FCNTL_H_ #define _SYS_FCNTL_H_ /* * This file includes the definitions for open and fcntl * described by POSIX for <fcntl.h>; it also includes * related kernel definitions. */ #include <sys/_types.h> #include <sys/cdefs.h> #ifndef KERNEL #include <Availability.h> #endif /* We should not be exporting size_t here. Temporary for gcc bootstrapping. */ #include <sys/_types/_size_t.h> #include <sys/_types/_mode_t.h> #include <sys/_types/_off_t.h> #include <sys/_types/_pid_t.h> /* * File status flags: these are used by open(2), fcntl(2). * They are also used (indirectly) in the kernel file structure f_flags, * which is a superset of the open/fcntl flags. Open flags and f_flags * are inter-convertible using OFLAGS(fflags) and FFLAGS(oflags). * Open/fcntl flags begin with O_; kernel-internal flags begin with F. */ /* open-only flags */ #define O_RDONLY 0x0000 /* open for reading only */ #define O_WRONLY 0x0001 /* open for writing only */ #define O_RDWR 0x0002 /* open for reading and writing */ #define O_ACCMODE 0x0003 /* mask for above modes */ /* * Kernel encoding of open mode; separate read and write bits that are * independently testable: 1 greater than the above. * * XXX * FREAD and FWRITE are excluded from the #ifdef KERNEL so that TIOCFLUSH, * which was documented to use FREAD/FWRITE, continues to work. */ #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define FREAD 0x00000001 #define FWRITE 0x00000002 #endif #define O_NONBLOCK 0x00000004 /* no delay */ #define O_APPEND 0x00000008 /* set append mode */ #include <sys/_types/_o_sync.h> #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define O_SHLOCK 0x00000010 /* open with shared file lock */ #define O_EXLOCK 0x00000020 /* open with exclusive file lock */ #define O_ASYNC 0x00000040 /* signal pgrp when data ready */ #define O_FSYNC O_SYNC /* source compatibility: do not use */ #define O_NOFOLLOW 0x00000100 /* don't follow symlinks */ #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ #define O_CREAT 0x00000200 /* create if nonexistant */ #define O_TRUNC 0x00000400 /* truncate to zero length */ #define O_EXCL 0x00000800 /* error if already exists */ #ifdef KERNEL #define FMARK 0x00001000 /* mark during gc() */ #define FDEFER 0x00002000 /* defer for next gc pass */ #define FWASLOCKED 0x00004000 /* has or has had an advisory fcntl lock */ #define FHASLOCK FWASLOCKED /* obsolete compatibility name */ #endif #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define O_EVTONLY 0x00008000 /* descriptor requested for event notifications only */ #endif #ifdef KERNEL #define FWASWRITTEN 0x00010000 /* descriptor was written */ #endif #define O_NOCTTY 0x00020000 /* don't assign controlling terminal */ #ifdef KERNEL #define FNOCACHE 0x00040000 /* fcntl(F_NOCACHE, 1) */ #define FNORDAHEAD 0x00080000 /* fcntl(F_RDAHEAD, 0) */ #endif #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define O_DIRECTORY 0x00100000 #define O_SYMLINK 0x00200000 /* allow open of a symlink */ #endif // O_DSYNC 0x00400000 /* synch I/O data integrity */ #include <sys/_types/_o_dsync.h> #ifdef KERNEL #define FNODIRECT 0x00800000 /* fcntl(F_NODIRECT, 1) */ #endif #if __DARWIN_C_LEVEL >= 200809L #define O_CLOEXEC 0x01000000 /* implicitly set FD_CLOEXEC */ #endif #ifdef KERNEL #define FENCRYPTED 0x02000000 #define FSINGLE_WRITER 0x04000000 /* fcntl(F_SINGLE_WRITER, 1) */ #define O_CLOFORK 0x08000000 /* implicitly set FD_CLOFORK */ #define FUNENCRYPTED 0x10000000 #endif #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL #define O_NOFOLLOW_ANY 0x20000000 /* no symlinks allowed in path */ #endif #ifdef KERNEL /* End of File status flags (fileglob::fg_flag) */ #endif #if __DARWIN_C_LEVEL >= 200809L /* * Descriptor value for the current working directory */ #define AT_FDCWD -2 /* * Flags for the at functions */ #define AT_EACCESS 0x0010 /* Use effective ids in access check */ #define AT_SYMLINK_NOFOLLOW 0x0020 /* Act on the symlink itself not the target */ #define AT_SYMLINK_FOLLOW 0x0040 /* Act on target of symlink */ #define AT_REMOVEDIR 0x0080 /* Path refers to directory */ #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL #ifdef PRIVATE #define AT_REMOVEDIR_DATALESS 0x0100 /* Remove a dataless directory without materializing first */ #endif #define AT_REALDEV 0x0200 /* Return real device inodes resides on for fstatat(2) */ #define AT_FDONLY 0x0400 /* Use only the fd and Ignore the path for fstatat(2) */ #endif #endif /* Data Protection Flags */ #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define O_DP_GETRAWENCRYPTED 0x0001 #define O_DP_GETRAWUNENCRYPTED 0x0002 #endif #ifdef KERNEL /* convert from open() flags to/from fflags; convert O_RD/WR to FREAD/FWRITE */ #define FFLAGS(oflags) ((oflags) + 1) #define OFLAGS(fflags) ((fflags) - 1) /* bits to save after open */ #define FMASK (FREAD|FWRITE|FAPPEND|FASYNC|FFSYNC|FFDSYNC|FNONBLOCK) /* bits settable by fcntl(F_SETFL, ...) */ #define FCNTLFLAGS (FAPPEND|FASYNC|FFSYNC|FFDSYNC|FNONBLOCK) #endif /* * The O_* flags used to have only F* names, which were used in the kernel * and by fcntl. We retain the F* names for the kernel f_flags field * and for backward compatibility for fcntl. */ #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define FAPPEND O_APPEND /* kernel/compat */ #define FASYNC O_ASYNC /* kernel/compat */ #define FFSYNC O_FSYNC /* kernel */ #define FFDSYNC O_DSYNC /* kernel */ #define FNONBLOCK O_NONBLOCK /* kernel */ #define FNDELAY O_NONBLOCK /* compat */ #define O_NDELAY O_NONBLOCK /* compat */ #endif /* * Flags used for copyfile(2) */ #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define CPF_OVERWRITE 0x0001 #define CPF_IGNORE_MODE 0x0002 #define CPF_MASK (CPF_OVERWRITE|CPF_IGNORE_MODE) #endif /* * Constants used for fcntl(2) */ /* command values */ #define F_DUPFD 0 /* duplicate file descriptor */ #define F_GETFD 1 /* get file descriptor flags */ #define F_SETFD 2 /* set file descriptor flags */ #define F_GETFL 3 /* get file status flags */ #define F_SETFL 4 /* set file status flags */ #define F_GETOWN 5 /* get SIGIO/SIGURG proc/pgrp */ #define F_SETOWN 6 /* set SIGIO/SIGURG proc/pgrp */ #define F_GETLK 7 /* get record locking information */ #define F_SETLK 8 /* set record locking information */ #define F_SETLKW 9 /* F_SETLK; wait if blocked */ #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL #define F_SETLKWTIMEOUT 10 /* F_SETLK; wait if blocked, return on timeout */ #endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */ #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define F_FLUSH_DATA 40 #define F_CHKCLEAN 41 /* Used for regression test */ #define F_PREALLOCATE 42 /* Preallocate storage */ #define F_SETSIZE 43 /* Truncate a file. Equivalent to calling truncate(2) */ #define F_RDADVISE 44 /* Issue an advisory read async with no copy to user */ #define F_RDAHEAD 45 /* turn read ahead off/on for this fd */ /* * 46,47 used to be F_READBOOTSTRAP and F_WRITEBOOTSTRAP */ #define F_NOCACHE 48 /* turn data caching off/on for this fd */ #define F_LOG2PHYS 49 /* file offset to device offset */ #define F_GETPATH 50 /* return the full path of the fd */ #define F_FULLFSYNC 51 /* fsync + ask the drive to flush to the media */ #define F_PATHPKG_CHECK 52 /* find which component (if any) is a package */ #define F_FREEZE_FS 53 /* "freeze" all fs operations */ #define F_THAW_FS 54 /* "thaw" all fs operations */ #define F_GLOBAL_NOCACHE 55 /* turn data caching off/on (globally) for this file */ #ifdef PRIVATE #define F_OPENFROM 56 /* SPI: open a file relative to fd (must be a dir) */ #define F_UNLINKFROM 57 /* SPI: open a file relative to fd (must be a dir) */ #define F_CHECK_OPENEVT 58 /* SPI: if a process is marked OPENEVT, or in O_EVTONLY on opens of this vnode */ #endif /* PRIVATE */ #define F_ADDSIGS 59 /* add detached signatures */ #ifdef PRIVATE /* Deprecated/Removed in 10.9 */ #define F_MARKDEPENDENCY 60 /* this process hosts the device supporting the fs backing this fd */ #endif #define F_ADDFILESIGS 61 /* add signature from same file (used by dyld for shared libs) */ #define F_NODIRECT 62 /* used in conjunction with F_NOCACHE to indicate that DIRECT, synchonous writes */ /* should not be used (i.e. its ok to temporaily create cached pages) */ #define F_GETPROTECTIONCLASS 63 /* Get the protection class of a file from the EA, returns int */ #define F_SETPROTECTIONCLASS 64 /* Set the protection class of a file for the EA, requires int */ #define F_LOG2PHYS_EXT 65 /* file offset to device offset, extended */ #define F_GETLKPID 66 /* get record locking information, per-process */ /* See F_DUPFD_CLOEXEC below for 67 */ #ifdef PRIVATE #define F_SETSTATICCONTENT 68 /* * indicate to the filesystem/storage driver that the content to be * written is usually static. a nonzero value enables it, 0 disables it. */ #define F_MOVEDATAEXTENTS 69 /* Swap only the data associated with two files */ #endif #define F_SETBACKINGSTORE 70 /* Mark the file as being the backing store for another filesystem */ #define F_GETPATH_MTMINFO 71 /* return the full path of the FD, but error in specific mtmd circumstances */ #define F_GETCODEDIR 72 /* Returns the code directory, with associated hashes, to the caller */ #define F_SETNOSIGPIPE 73 /* No SIGPIPE generated on EPIPE */ #define F_GETNOSIGPIPE 74 /* Status of SIGPIPE for this fd */ #define F_TRANSCODEKEY 75 /* For some cases, we need to rewrap the key for AKS/MKB */ #define F_SINGLE_WRITER 76 /* file being written to a by single writer... if throttling enabled, writes */ /* may be broken into smaller chunks with throttling in between */ #define F_GETPROTECTIONLEVEL 77 /* Get the protection version number for this filesystem */ #define F_FINDSIGS 78 /* Add detached code signatures (used by dyld for shared libs) */ #ifdef PRIVATE #define F_GETDEFAULTPROTLEVEL 79 /* Get the default protection level for the filesystem */ #define F_MAKECOMPRESSED 80 /* Make the file compressed; truncate & toggle BSD bits */ #define F_SET_GREEDY_MODE 81 /* * indicate to the filesystem/storage driver that the content to be * written should be written in greedy mode for additional speed at * the cost of storage efficiency. A nonzero value enables it, 0 disables it. */ #define F_SETIOTYPE 82 /* * Use parameters to describe content being written to the FD. See * flag definitions below for argument bits. */ #endif #define F_ADDFILESIGS_FOR_DYLD_SIM 83 /* Add signature from same file, only if it is signed by Apple (used by dyld for simulator) */ #ifdef PRIVATE #define F_RECYCLE 84 /* Recycle vnode; debug/development builds only */ #endif #define F_BARRIERFSYNC 85 /* fsync + issue barrier to drive */ #ifdef PRIVATE #define F_OFD_SETLK 90 /* Acquire or release open file description lock */ #define F_OFD_SETLKW 91 /* (as F_OFD_SETLK but blocking if conflicting lock) */ #define F_OFD_GETLK 92 /* Examine OFD lock */ #define F_OFD_SETLKWTIMEOUT 93 /* (as F_OFD_SETLKW but return if timeout) */ #define F_OFD_GETLKPID 94 /* get record locking information */ #define F_SETCONFINED 95 /* "confine" OFD to process */ #define F_GETCONFINED 96 /* is-fd-confined? */ #endif #define F_ADDFILESIGS_RETURN 97 /* Add signature from same file, return end offset in structure on success */ #define F_CHECK_LV 98 /* Check if Library Validation allows this Mach-O file to be mapped into the calling process */ #define F_PUNCHHOLE 99 /* Deallocate a range of the file */ #define F_TRIM_ACTIVE_FILE 100 /* Trim an active file */ #define F_SPECULATIVE_READ 101 /* Synchronous advisory read fcntl for regular and compressed file */ #define F_GETPATH_NOFIRMLINK 102 /* return the full path without firmlinks of the fd */ #define F_ADDFILESIGS_INFO 103 /* Add signature from same file, return information */ #define F_ADDFILESUPPL 104 /* Add supplemental signature from same file with fd reference to original */ #define F_GETSIGSINFO 105 /* Look up code signature information attached to a file or slice */ // FS-specific fcntl()'s numbers begin at 0x00010000 and go up #define FCNTL_FS_SPECIFIC_BASE 0x00010000 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ #if __DARWIN_C_LEVEL >= 200809L #define F_DUPFD_CLOEXEC 67 /* mark the dup with FD_CLOEXEC */ #endif /* file descriptor flags (F_GETFD, F_SETFD) */ #define FD_CLOEXEC 1 /* close-on-exec flag */ #if PRIVATE #define FD_CLOFORK 2 /* close-on-fork flag */ #endif /* record locking flags (F_GETLK, F_SETLK, F_SETLKW) */ #define F_RDLCK 1 /* shared or read lock */ #define F_UNLCK 2 /* unlock */ #define F_WRLCK 3 /* exclusive or write lock */ #ifdef KERNEL #define F_WAIT 0x010 /* Wait until lock is granted */ #define F_FLOCK 0x020 /* Use flock(2) semantics for lock */ #define F_POSIX 0x040 /* Use POSIX semantics for lock */ #define F_PROV 0x080 /* Non-coalesced provisional lock */ #define F_WAKE1_SAFE 0x100 /* its safe to only wake one waiter */ #define F_ABORT 0x200 /* lock attempt aborted (force umount) */ #define F_OFD_LOCK 0x400 /* Use "OFD" semantics for lock */ #endif #if PRIVATE /* * ISOCHRONOUS attempts to sustain a minimum platform-dependent throughput * for the duration of the I/O delivered to the driver. */ #define F_IOTYPE_ISOCHRONOUS 0x0001 #endif /* * [XSI] The values used for l_whence shall be defined as described * in <unistd.h> */ #include <sys/_types/_seek_set.h> /* * [XSI] The symbolic names for file modes for use as values of mode_t * shall be defined as described in <sys/stat.h> */ #include <sys/_types/_s_ifmt.h> #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) /* allocate flags (F_PREALLOCATE) */ #define F_ALLOCATECONTIG 0x00000002 /* allocate contigious space */ #define F_ALLOCATEALL 0x00000004 /* allocate all requested space or no space at all */ /* Position Modes (fst_posmode) for F_PREALLOCATE */ #define F_PEOFPOSMODE 3 /* Make it past all of the SEEK pos modes so that */ /* we can keep them in sync should we desire */ #define F_VOLPOSMODE 4 /* specify volume starting postion */ #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ /* * Advisory file segment locking data type - * information passed to system by user */ struct flock { off_t l_start; /* starting offset */ off_t l_len; /* len = 0 means until end of file */ pid_t l_pid; /* lock owner */ short l_type; /* lock type: read/write, etc. */ short l_whence; /* type of l_start */ }; #include <sys/_types/_timespec.h> #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL /* * Advisory file segment locking with time out - * Information passed to system by user for F_SETLKWTIMEOUT */ struct flocktimeout { struct flock fl; /* flock passed for file locking */ struct timespec timeout; /* timespec struct for timeout */ }; #endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */ #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) /* * advisory file read data type - * information passed by user to system */ #ifdef KERNEL #pragma pack(4) /* prevent structure padding in kernel */ #endif /* KERNEL */ struct radvisory { off_t ra_offset; int ra_count; }; #ifdef KERNEL #pragma pack() #endif /* KERNEL */ /* * detached code signatures data type - * information passed by user to system used by F_ADDSIGS and F_ADDFILESIGS. * F_ADDFILESIGS is a shortcut for files that contain their own signature and * doesn't require mapping of the file in order to load the signature. */ #define USER_FSIGNATURES_CDHASH_LEN 20 typedef struct fsignatures { off_t fs_file_start; void *fs_blob_start; size_t fs_blob_size; /* The following fields are only applicable to F_ADDFILESIGS_INFO (64bit only). */ /* Prior to F_ADDFILESIGS_INFO, this struct ended after fs_blob_size. */ size_t fs_fsignatures_size;// input: size of this struct (for compatibility) char fs_cdhash[USER_FSIGNATURES_CDHASH_LEN]; // output: cdhash int fs_hash_type;// output: hash algorithm type for cdhash } fsignatures_t; #ifdef KERNEL /* LP64 version of fsignatures. all pointers * grow when we're dealing with a 64-bit process. * WARNING - keep in sync with fsignatures */ typedef struct user32_fsignatures { off_t fs_file_start; user32_addr_t fs_blob_start; user32_size_t fs_blob_size; } user32_fsignatures_t; typedef struct user_fsignatures { off_t fs_file_start; /* offset of Mach-O image in FAT file */ user_addr_t fs_blob_start; /* F_ADDSIGS: mem address of signature*/ /* F_ADDFILESIGS: offset of signature */ /* in Mach-O image */ user_size_t fs_blob_size; /* size of signature blob */ /* The following fields are only applicable to F_ADDFILESIGS_INFO. */ /* Prior to F_ADDFILESIGS_INFO, this struct ended after fs_blob_size. */ user_size_t fs_fsignatures_size;// input: size of this struct (for compatibility) char fs_cdhash[USER_FSIGNATURES_CDHASH_LEN]; // output: cdhash int fs_hash_type;//output: hash algorithm type for cdhash } user_fsignatures_t; #endif /* KERNEL */ typedef struct fsupplement { off_t fs_file_start; /* offset of Mach-O image in FAT file */ off_t fs_blob_start; /* offset of signature in Mach-O image */ size_t fs_blob_size; /* signature blob size */ int fs_orig_fd; /* address of original image */ } fsupplement_t; #ifdef KERNEL /* LP64 version of fsupplement. * Supplements are not supported for 32 bit. * WARNING - keep in sync with fsupplement. */ typedef struct user_fsupplement { off_t fs_file_start; /* offset of Mach-O image in FAT file */ off_t fs_blob_start; /* offset of signature in Mach-O image */ size_t fs_blob_size; /* signature blob size */ int fs_orig_fd; /* file descriptor to original image */ } user_fsupplement_t; #endif /* KERNEL */ /* * DYLD needs to check if the object is allowed to be combined * into the main binary. This is done between the code signature * is loaded and dyld is doing all the work to process the LOAD commands. * * While this could be done in F_ADDFILESIGS.* family the hook into * the MAC module doesn't say no when LV isn't enabled and then that * is cached on the vnode, and the MAC module never gets change once * a process that library validation enabled. */ typedef struct fchecklv { off_t lv_file_start; size_t lv_error_message_size; void *lv_error_message; } fchecklv_t; #ifdef KERNEL /* LP64 version of fchecklv. all pointers * grow when we're dealing with a 64-bit process. * WARNING - keep in sync with fsignatures */ typedef struct user32_fchecklv { user32_off_t lv_file_start; user32_size_t lv_error_message_size; user32_addr_t lv_error_message; } user32_fchecklv_t; typedef struct user_fchecklv { off_t lv_file_start; user_size_t lv_error_message_size; user_addr_t lv_error_message; } user_fchecklv_t; #endif /* KERNEL */ /* At this time F_GETSIGSINFO can only indicate platformness. * As additional requestable information is defined, new keys will be added and the * fgetsigsinfo_t structure will be lengthened to add space for the additional information */ #define GETSIGSINFO_PLATFORM_BINARY 1 /* fgetsigsinfo_t used by F_GETSIGSINFO command */ typedef struct fgetsigsinfo { off_t fg_file_start; /* IN: Offset in the file to look for a signature, -1 for any signature */ int fg_info_request; /* IN: Key indicating the info requested */ int fg_sig_is_platform; /* OUT: 1 if the signature is a plat form binary, 0 if not */ } fgetsigsinfo_t; /* lock operations for flock(2) */ #define LOCK_SH 0x01 /* shared file lock */ #define LOCK_EX 0x02 /* exclusive file lock */ #define LOCK_NB 0x04 /* don't block when locking */ #define LOCK_UN 0x08 /* unlock file */ /* fstore_t type used by F_PREALLOCATE command */ typedef struct fstore { unsigned int fst_flags; /* IN: flags word */ int fst_posmode; /* IN: indicates use of offset field */ off_t fst_offset; /* IN: start of the region */ off_t fst_length; /* IN: size of the region */ off_t fst_bytesalloc; /* OUT: number of bytes allocated */ } fstore_t; /* fpunchhole_t used by F_PUNCHHOLE */ typedef struct fpunchhole { unsigned int fp_flags; /* unused */ unsigned int reserved; /* (to maintain 8-byte alignment) */ off_t fp_offset; /* IN: start of the region */ off_t fp_length; /* IN: size of the region */ } fpunchhole_t; /* factive_file_trim_t used by F_TRIM_ACTIVE_FILE */ typedef struct ftrimactivefile { off_t fta_offset; /* IN: start of the region */ off_t fta_length; /* IN: size of the region */ } ftrimactivefile_t; /* fspecread_t used by F_SPECULATIVE_READ */ typedef struct fspecread { unsigned int fsr_flags; /* IN: flags word */ unsigned int reserved; /* to maintain 8-byte alignment */ off_t fsr_offset; /* IN: start of the region */ off_t fsr_length; /* IN: size of the region */ } fspecread_t; /* fbootstraptransfer_t used by F_READBOOTSTRAP and F_WRITEBOOTSTRAP commands */ typedef struct fbootstraptransfer { off_t fbt_offset; /* IN: offset to start read/write */ size_t fbt_length; /* IN: number of bytes to transfer */ void *fbt_buffer; /* IN: buffer to be read/written */ } fbootstraptransfer_t; #ifdef KERNEL /* LP64 version of fbootstraptransfer. all pointers * grow when we're dealing with a 64-bit process. * WARNING - keep in sync with fbootstraptransfer */ typedef struct user32_fbootstraptransfer { off_t fbt_offset; /* IN: offset to start read/write */ user32_size_t fbt_length; /* IN: number of bytes to transfer */ user32_addr_t fbt_buffer; /* IN: buffer to be read/written */ } user32_fbootstraptransfer_t; typedef struct user_fbootstraptransfer { off_t fbt_offset; /* IN: offset to start read/write */ user_size_t fbt_length; /* IN: number of bytes to transfer */ user_addr_t fbt_buffer; /* IN: buffer to be read/written */ } user_fbootstraptransfer_t; #endif // KERNEL /* * For F_LOG2PHYS this information is passed back to user * Currently only devoffset is returned - that is the VOP_BMAP * result - the disk device address corresponding to the * current file offset (likely set with an lseek). * * The flags could hold an indication of whether the # of * contiguous bytes reflects the true extent length on disk, * or is an advisory value that indicates there is at least that * many bytes contiguous. For some filesystems it might be too * inefficient to provide anything beyond the advisory value. * Flags and contiguous bytes return values are not yet implemented. * For them the fcntl will nedd to switch from using BMAP to CMAP * and a per filesystem type flag will be needed to interpret the * contiguous bytes count result from CMAP. * * F_LOG2PHYS_EXT is a variant of F_LOG2PHYS that uses a passed in * file offset and length instead of the current file offset. * F_LOG2PHYS_EXT operates on the same structure as F_LOG2PHYS, but * treats it as an in/out. */ #pragma pack(4) struct log2phys { unsigned int l2p_flags; /* unused so far */ off_t l2p_contigbytes; /* F_LOG2PHYS: unused so far */ /* F_LOG2PHYS_EXT: IN: number of bytes to be queried */ /* OUT: number of contiguous bytes at this position */ off_t l2p_devoffset; /* F_LOG2PHYS: OUT: bytes into device */ /* F_LOG2PHYS_EXT: IN: bytes into file */ /* OUT: bytes into device */ }; #pragma pack() #define O_POPUP 0x80000000 /* force window to popup on open */ #define O_ALERT 0x20000000 /* small, clean popup window */ #ifdef PRIVATE /* * SPI: Argument data for F_OPENFROM */ struct fopenfrom { unsigned int o_flags; /* same as open(2) */ mode_t o_mode; /* same as open(2) */ char * o_pathname; /* relative pathname */ }; #ifdef KERNEL /* * LP64 version of fopenfrom. Memory pointers * grow when we're dealing with a 64-bit process. * * WARNING - keep in sync with fopenfrom (above) */ struct user32_fopenfrom { unsigned int o_flags; mode_t o_mode; user32_addr_t o_pathname; }; struct user_fopenfrom { unsigned int o_flags; mode_t o_mode; user_addr_t o_pathname; }; #endif /* KERNEL */ #endif /* PRIVATE */ #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ #ifndef KERNEL #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #include <sys/_types/_filesec_t.h> typedef enum { FILESEC_OWNER = 1, FILESEC_GROUP = 2, FILESEC_UUID = 3, FILESEC_MODE = 4, FILESEC_ACL = 5, FILESEC_GRPUUID = 6, /* XXX these are private to the implementation */ FILESEC_ACL_RAW = 100, FILESEC_ACL_ALLOCSIZE = 101 } filesec_property_t; /* XXX backwards compatibility */ #define FILESEC_GUID FILESEC_UUID #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ __BEGIN_DECLS int open(const char *, int, ...) __DARWIN_ALIAS_C(open); #if __DARWIN_C_LEVEL >= 200809L int openat(int, const char *, int, ...) __DARWIN_NOCANCEL(openat) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0); #endif int creat(const char *, mode_t) __DARWIN_ALIAS_C(creat); int fcntl(int, int, ...) __DARWIN_ALIAS_C(fcntl); #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #ifdef PRIVATE /* * These definitions are retained temporarily for compatibility. * If you want to use fileports, please use * #include <sys/fileport.h> * or * #include <System/sys/fileport.h> */ #ifndef _FILEPORT_T #define _FILEPORT_T typedef __darwin_mach_port_t fileport_t; #define FILEPORT_NULL ((fileport_t)0) #endif /* _FILEPORT_T */ int fileport_makeport(int, fileport_t*); int fileport_makefd(fileport_t); #endif /* PRIVATE */ int openx_np(const char *, int, filesec_t); /* * data-protected non-portable open(2) : * int open_dprotected_np(user_addr_t path, int flags, int class, int dpflags, int mode) */ int open_dprotected_np( const char *, int, int, int, ...); int flock(int, int); filesec_t filesec_init(void); filesec_t filesec_dup(filesec_t); void filesec_free(filesec_t); int filesec_get_property(filesec_t, filesec_property_t, void *); int filesec_query_property(filesec_t, filesec_property_t, int *); int filesec_set_property(filesec_t, filesec_property_t, const void *); int filesec_unset_property(filesec_t, filesec_property_t) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2); #define _FILESEC_UNSET_PROPERTY ((void *)0) #define _FILESEC_REMOVE_ACL ((void *)1) #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ __END_DECLS #endif #endif /* !_SYS_FCNTL_H_ */