17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5a5f69788Scraigm * Common Development and Distribution License (the "License"). 6a5f69788Scraigm * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 21019c3c43Sraf 227c478bd9Sstevel@tonic-gate /* 23794f0adbSRoger A. Faulkner * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 27b4203d75SMarcel Telka /* All Rights Reserved */ 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate /* 307c478bd9Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988 317c478bd9Sstevel@tonic-gate * The Regents of the University of California 327c478bd9Sstevel@tonic-gate * All Rights Reserved 337c478bd9Sstevel@tonic-gate * 347c478bd9Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from 357c478bd9Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its 367c478bd9Sstevel@tonic-gate * contributors. 377c478bd9Sstevel@tonic-gate */ 387c478bd9Sstevel@tonic-gate 39b075ad5bSTheo Schlossnagle /* Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved. */ 407a5aac98SJerry Jelinek /* Copyright 2015, Joyent, Inc. */ 41b075ad5bSTheo Schlossnagle 427c478bd9Sstevel@tonic-gate #ifndef _SYS_FCNTL_H 437c478bd9Sstevel@tonic-gate #define _SYS_FCNTL_H 447c478bd9Sstevel@tonic-gate 457c478bd9Sstevel@tonic-gate #include <sys/feature_tests.h> 467c478bd9Sstevel@tonic-gate 477c478bd9Sstevel@tonic-gate #include <sys/types.h> 487c478bd9Sstevel@tonic-gate 497c478bd9Sstevel@tonic-gate #ifdef __cplusplus 507c478bd9Sstevel@tonic-gate extern "C" { 517c478bd9Sstevel@tonic-gate #endif 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate /* 547c478bd9Sstevel@tonic-gate * Flag values accessible to open(2) and fcntl(2) 55794f0adbSRoger A. Faulkner * The first five can only be set (exclusively) by open(2). 567c478bd9Sstevel@tonic-gate */ 577c478bd9Sstevel@tonic-gate #define O_RDONLY 0 587c478bd9Sstevel@tonic-gate #define O_WRONLY 1 597c478bd9Sstevel@tonic-gate #define O_RDWR 2 60794f0adbSRoger A. Faulkner #define O_SEARCH 0x200000 61794f0adbSRoger A. Faulkner #define O_EXEC 0x400000 627c478bd9Sstevel@tonic-gate #if defined(__EXTENSIONS__) || !defined(_POSIX_C_SOURCE) 637c478bd9Sstevel@tonic-gate #define O_NDELAY 0x04 /* non-blocking I/O */ 647c478bd9Sstevel@tonic-gate #endif /* defined(__EXTENSIONS__) || !defined(_POSIX_C_SOURCE) */ 657c478bd9Sstevel@tonic-gate #define O_APPEND 0x08 /* append (writes guaranteed at the end) */ 667c478bd9Sstevel@tonic-gate #if defined(__EXTENSIONS__) || !defined(_POSIX_C_SOURCE) || \ 677c478bd9Sstevel@tonic-gate (_POSIX_C_SOURCE > 2) || defined(_XOPEN_SOURCE) 687c478bd9Sstevel@tonic-gate #define O_SYNC 0x10 /* synchronized file update option */ 697c478bd9Sstevel@tonic-gate #define O_DSYNC 0x40 /* synchronized data update option */ 707c478bd9Sstevel@tonic-gate #define O_RSYNC 0x8000 /* synchronized file update option */ 717c478bd9Sstevel@tonic-gate /* defines read/write file integrity */ 727c478bd9Sstevel@tonic-gate #endif /* defined(__EXTENSIONS__) || !defined(_POSIX_C_SOURCE) ... */ 737c478bd9Sstevel@tonic-gate #define O_NONBLOCK 0x80 /* non-blocking I/O (POSIX) */ 747c478bd9Sstevel@tonic-gate #ifdef _LARGEFILE_SOURCE 757c478bd9Sstevel@tonic-gate #define O_LARGEFILE 0x2000 767c478bd9Sstevel@tonic-gate #endif 777c478bd9Sstevel@tonic-gate 787c478bd9Sstevel@tonic-gate /* 797c478bd9Sstevel@tonic-gate * Flag values accessible only to open(2). 807c478bd9Sstevel@tonic-gate */ 817c478bd9Sstevel@tonic-gate #define O_CREAT 0x100 /* open with file create (uses third arg) */ 827c478bd9Sstevel@tonic-gate #define O_TRUNC 0x200 /* open with truncation */ 837c478bd9Sstevel@tonic-gate #define O_EXCL 0x400 /* exclusive open */ 847c478bd9Sstevel@tonic-gate #define O_NOCTTY 0x800 /* don't allocate controlling tty (POSIX) */ 857c478bd9Sstevel@tonic-gate #define O_XATTR 0x4000 /* extended attribute */ 867c478bd9Sstevel@tonic-gate #define O_NOFOLLOW 0x20000 /* don't follow symlinks */ 877c478bd9Sstevel@tonic-gate #define O_NOLINKS 0x40000 /* don't allow multiple hard links */ 88b075ad5bSTheo Schlossnagle #define O_CLOEXEC 0x800000 /* set the close-on-exec flag */ 89*69c811abSRobert Mustacchi #if !defined(_STRICT_SYMBOLS) || defined(_XPG7) 90*69c811abSRobert Mustacchi #define O_DIRECTORY 0x1000000 /* fail if not a directory */ 91*69c811abSRobert Mustacchi #endif 927c478bd9Sstevel@tonic-gate 937c478bd9Sstevel@tonic-gate /* 947c478bd9Sstevel@tonic-gate * fcntl(2) requests 957c478bd9Sstevel@tonic-gate * 967c478bd9Sstevel@tonic-gate * N.B.: values are not necessarily assigned sequentially below. 977c478bd9Sstevel@tonic-gate */ 987c478bd9Sstevel@tonic-gate #define F_DUPFD 0 /* Duplicate fildes */ 997c478bd9Sstevel@tonic-gate #define F_GETFD 1 /* Get fildes flags */ 1007c478bd9Sstevel@tonic-gate #define F_SETFD 2 /* Set fildes flags */ 1017c478bd9Sstevel@tonic-gate #define F_GETFL 3 /* Get file flags */ 1027c478bd9Sstevel@tonic-gate #define F_GETXFL 45 /* Get file flags including open-only flags */ 1037c478bd9Sstevel@tonic-gate #define F_SETFL 4 /* Set file flags */ 1047c478bd9Sstevel@tonic-gate 1057c478bd9Sstevel@tonic-gate /* 1067c478bd9Sstevel@tonic-gate * Applications that read /dev/mem must be built like the kernel. A 1077c478bd9Sstevel@tonic-gate * new symbol "_KMEMUSER" is defined for this purpose. 1087c478bd9Sstevel@tonic-gate */ 1097c478bd9Sstevel@tonic-gate #if defined(_KERNEL) || defined(_KMEMUSER) 1107c478bd9Sstevel@tonic-gate #define F_O_GETLK 5 /* SVR3 Get file lock (need for rfs, across */ 1117c478bd9Sstevel@tonic-gate /* the wire compatibility */ 1127c478bd9Sstevel@tonic-gate /* clustering: lock id contains both per-node sysid and node id */ 1137c478bd9Sstevel@tonic-gate #define SYSIDMASK 0x0000ffff 1147c478bd9Sstevel@tonic-gate #define GETSYSID(id) (id & SYSIDMASK) 1157c478bd9Sstevel@tonic-gate #define NODEIDMASK 0xffff0000 1167c478bd9Sstevel@tonic-gate #define BITS_IN_SYSID 16 1177c478bd9Sstevel@tonic-gate #define GETNLMID(sysid) ((int)(((uint_t)(sysid) & NODEIDMASK) >> \ 1187c478bd9Sstevel@tonic-gate BITS_IN_SYSID)) 1197c478bd9Sstevel@tonic-gate 1207c478bd9Sstevel@tonic-gate /* Clustering: Macro used for PXFS locks */ 1217c478bd9Sstevel@tonic-gate #define GETPXFSID(sysid) ((int)(((uint_t)(sysid) & NODEIDMASK) >> \ 1227c478bd9Sstevel@tonic-gate BITS_IN_SYSID)) 1237c478bd9Sstevel@tonic-gate #endif /* defined(_KERNEL) */ 1247c478bd9Sstevel@tonic-gate 1257c478bd9Sstevel@tonic-gate #define F_CHKFL 8 /* Unused */ 1267c478bd9Sstevel@tonic-gate #define F_DUP2FD 9 /* Duplicate fildes at third arg */ 1275dbfd19aSTheo Schlossnagle #define F_DUP2FD_CLOEXEC 36 /* Like F_DUP2FD with O_CLOEXEC set */ 1285dbfd19aSTheo Schlossnagle /* EINVAL is fildes matches arg1 */ 1295dbfd19aSTheo Schlossnagle #define F_DUPFD_CLOEXEC 37 /* Like F_DUPFD with O_CLOEXEC set */ 1307c478bd9Sstevel@tonic-gate 1317c478bd9Sstevel@tonic-gate #define F_ISSTREAM 13 /* Is the file desc. a stream ? */ 1327c478bd9Sstevel@tonic-gate #define F_PRIV 15 /* Turn on private access to file */ 1337c478bd9Sstevel@tonic-gate #define F_NPRIV 16 /* Turn off private access to file */ 1347c478bd9Sstevel@tonic-gate #define F_QUOTACTL 17 /* UFS quota call */ 1357c478bd9Sstevel@tonic-gate #define F_BLOCKS 18 /* Get number of BLKSIZE blocks allocated */ 1367c478bd9Sstevel@tonic-gate #define F_BLKSIZE 19 /* Get optimal I/O block size */ 1377c478bd9Sstevel@tonic-gate /* 1387c478bd9Sstevel@tonic-gate * Numbers 20-22 have been removed and should not be reused. 1397c478bd9Sstevel@tonic-gate */ 1407c478bd9Sstevel@tonic-gate #define F_GETOWN 23 /* Get owner (socket emulation) */ 1417c478bd9Sstevel@tonic-gate #define F_SETOWN 24 /* Set owner (socket emulation) */ 142d3e55dcdSgww #define F_REVOKE 25 /* Object reuse revoke access to file desc. */ 1437c478bd9Sstevel@tonic-gate 1447c478bd9Sstevel@tonic-gate #define F_HASREMOTELOCKS 26 /* Does vp have NFS locks; private to lock */ 1457c478bd9Sstevel@tonic-gate /* manager */ 1467c478bd9Sstevel@tonic-gate 1477c478bd9Sstevel@tonic-gate /* 1487c478bd9Sstevel@tonic-gate * Commands that refer to flock structures. The argument types differ between 1497c478bd9Sstevel@tonic-gate * the large and small file environments; therefore, the #defined values must 1507c478bd9Sstevel@tonic-gate * as well. 1517c478bd9Sstevel@tonic-gate * The NBMAND forms are private and should not be used. 1527a5aac98SJerry Jelinek * The FLOCK forms are also private and should not be used. 1537c478bd9Sstevel@tonic-gate */ 1547c478bd9Sstevel@tonic-gate 1557c478bd9Sstevel@tonic-gate #if defined(_LP64) || _FILE_OFFSET_BITS == 32 1567c478bd9Sstevel@tonic-gate /* "Native" application compilation environment */ 1577c478bd9Sstevel@tonic-gate #define F_SETLK 6 /* Set file lock */ 1587c478bd9Sstevel@tonic-gate #define F_SETLKW 7 /* Set file lock and wait */ 159303bf60bSsdebnath #define F_ALLOCSP 10 /* Allocate file space */ 1607c478bd9Sstevel@tonic-gate #define F_FREESP 11 /* Free file space */ 1617c478bd9Sstevel@tonic-gate #define F_GETLK 14 /* Get file lock */ 1627c478bd9Sstevel@tonic-gate #define F_SETLK_NBMAND 42 /* private */ 1637a5aac98SJerry Jelinek #if !defined(_STRICT_SYMBOLS) 1647a5aac98SJerry Jelinek #define F_OFD_GETLK 47 /* Get file lock owned by file */ 1657a5aac98SJerry Jelinek #define F_OFD_SETLK 48 /* Set file lock owned by file */ 1667a5aac98SJerry Jelinek #define F_OFD_SETLKW 49 /* Set file lock owned by file and wait */ 1677a5aac98SJerry Jelinek #define F_FLOCK 53 /* private - set flock owned by file */ 1687a5aac98SJerry Jelinek #define F_FLOCKW 54 /* private - set flock owned by file and wait */ 1697a5aac98SJerry Jelinek #endif /* _STRICT_SYMBOLS */ 1707c478bd9Sstevel@tonic-gate #else 1717c478bd9Sstevel@tonic-gate /* ILP32 large file application compilation environment version */ 1727c478bd9Sstevel@tonic-gate #define F_SETLK 34 /* Set file lock */ 1737c478bd9Sstevel@tonic-gate #define F_SETLKW 35 /* Set file lock and wait */ 174303bf60bSsdebnath #define F_ALLOCSP 28 /* Alllocate file space */ 1757c478bd9Sstevel@tonic-gate #define F_FREESP 27 /* Free file space */ 1767c478bd9Sstevel@tonic-gate #define F_GETLK 33 /* Get file lock */ 1777c478bd9Sstevel@tonic-gate #define F_SETLK_NBMAND 44 /* private */ 1787a5aac98SJerry Jelinek #if !defined(_STRICT_SYMBOLS) 1797a5aac98SJerry Jelinek #define F_OFD_GETLK 50 /* Get file lock owned by file */ 1807a5aac98SJerry Jelinek #define F_OFD_SETLK 51 /* Set file lock owned by file */ 1817a5aac98SJerry Jelinek #define F_OFD_SETLKW 52 /* Set file lock owned by file and wait */ 1827a5aac98SJerry Jelinek #define F_FLOCK 55 /* private - set flock owned by file */ 1837a5aac98SJerry Jelinek #define F_FLOCKW 56 /* private - set flock owned by file and wait */ 1847a5aac98SJerry Jelinek #endif /* _STRICT_SYMBOLS */ 1857c478bd9Sstevel@tonic-gate #endif /* _LP64 || _FILE_OFFSET_BITS == 32 */ 1867c478bd9Sstevel@tonic-gate 187*69c811abSRobert Mustacchi #if defined(_LARGEFILE64_SOURCE) 1887c478bd9Sstevel@tonic-gate 1897c478bd9Sstevel@tonic-gate #if !defined(_LP64) || defined(_KERNEL) 1907c478bd9Sstevel@tonic-gate /* 1917c478bd9Sstevel@tonic-gate * transitional large file interface version 1927c478bd9Sstevel@tonic-gate * These are only valid in a 32 bit application compiled with large files 1937c478bd9Sstevel@tonic-gate * option, for source compatibility, the 64-bit versions are mapped back 1947c478bd9Sstevel@tonic-gate * to the native versions. 1957c478bd9Sstevel@tonic-gate */ 1967c478bd9Sstevel@tonic-gate #define F_SETLK64 34 /* Set file lock */ 1977c478bd9Sstevel@tonic-gate #define F_SETLKW64 35 /* Set file lock and wait */ 198303bf60bSsdebnath #define F_ALLOCSP64 28 /* Allocate file space */ 1997c478bd9Sstevel@tonic-gate #define F_FREESP64 27 /* Free file space */ 2007c478bd9Sstevel@tonic-gate #define F_GETLK64 33 /* Get file lock */ 2017c478bd9Sstevel@tonic-gate #define F_SETLK64_NBMAND 44 /* private */ 2027a5aac98SJerry Jelinek #if !defined(_STRICT_SYMBOLS) 2037a5aac98SJerry Jelinek #define F_OFD_GETLK64 50 /* Get file lock owned by file */ 2047a5aac98SJerry Jelinek #define F_OFD_SETLK64 51 /* Set file lock owned by file */ 2057a5aac98SJerry Jelinek #define F_OFD_SETLKW64 52 /* Set file lock owned by file and wait */ 2067a5aac98SJerry Jelinek #define F_FLOCK64 55 /* private - set flock owned by file */ 2077a5aac98SJerry Jelinek #define F_FLOCKW64 56 /* private - set flock owned by file and wait */ 2087a5aac98SJerry Jelinek #endif /* _STRICT_SYMBOLS */ 2097c478bd9Sstevel@tonic-gate #else 2107c478bd9Sstevel@tonic-gate #define F_SETLK64 6 /* Set file lock */ 2117c478bd9Sstevel@tonic-gate #define F_SETLKW64 7 /* Set file lock and wait */ 212303bf60bSsdebnath #define F_ALLOCSP64 10 /* Allocate file space */ 2137c478bd9Sstevel@tonic-gate #define F_FREESP64 11 /* Free file space */ 2147c478bd9Sstevel@tonic-gate #define F_GETLK64 14 /* Get file lock */ 2157c478bd9Sstevel@tonic-gate #define F_SETLK64_NBMAND 42 /* private */ 2167a5aac98SJerry Jelinek #if !defined(_STRICT_SYMBOLS) 2177a5aac98SJerry Jelinek #define F_OFD_GETLK64 47 /* Get file lock owned by file */ 2187a5aac98SJerry Jelinek #define F_OFD_SETLK64 48 /* Set file lock owned by file */ 2197a5aac98SJerry Jelinek #define F_OFD_SETLKW64 49 /* Set file lock owned by file and wait */ 2207a5aac98SJerry Jelinek #define F_FLOCK64 53 /* private - set flock owned by file */ 2217a5aac98SJerry Jelinek #define F_FLOCKW64 54 /* private - set flock owned by file and wait */ 2227a5aac98SJerry Jelinek #endif /* _STRICT_SYMBOLS */ 2237c478bd9Sstevel@tonic-gate #endif /* !_LP64 || _KERNEL */ 2247c478bd9Sstevel@tonic-gate 2257c478bd9Sstevel@tonic-gate #endif /* _LARGEFILE64_SOURCE */ 2267c478bd9Sstevel@tonic-gate 2277c478bd9Sstevel@tonic-gate #define F_SHARE 40 /* Set a file share reservation */ 2287c478bd9Sstevel@tonic-gate #define F_UNSHARE 41 /* Remove a file share reservation */ 2297c478bd9Sstevel@tonic-gate #define F_SHARE_NBMAND 43 /* private */ 2307c478bd9Sstevel@tonic-gate 231a5f69788Scraigm #define F_BADFD 46 /* Create Poison FD */ 232a5f69788Scraigm 2337c478bd9Sstevel@tonic-gate /* 2347c478bd9Sstevel@tonic-gate * File segment locking set data type - information passed to system by user. 2357c478bd9Sstevel@tonic-gate */ 2367c478bd9Sstevel@tonic-gate 2377c478bd9Sstevel@tonic-gate /* regular version, for both small and large file compilation environment */ 2387c478bd9Sstevel@tonic-gate typedef struct flock { 2397c478bd9Sstevel@tonic-gate short l_type; 2407c478bd9Sstevel@tonic-gate short l_whence; 2417c478bd9Sstevel@tonic-gate off_t l_start; 2427c478bd9Sstevel@tonic-gate off_t l_len; /* len == 0 means until end of file */ 2437c478bd9Sstevel@tonic-gate int l_sysid; 2447c478bd9Sstevel@tonic-gate pid_t l_pid; 2457c478bd9Sstevel@tonic-gate long l_pad[4]; /* reserve area */ 2467c478bd9Sstevel@tonic-gate } flock_t; 2477c478bd9Sstevel@tonic-gate 2487c478bd9Sstevel@tonic-gate #if defined(_SYSCALL32) 2497c478bd9Sstevel@tonic-gate 2507c478bd9Sstevel@tonic-gate /* Kernel's view of ILP32 flock structure */ 2517c478bd9Sstevel@tonic-gate 2527c478bd9Sstevel@tonic-gate typedef struct flock32 { 2537c478bd9Sstevel@tonic-gate int16_t l_type; 2547c478bd9Sstevel@tonic-gate int16_t l_whence; 2557c478bd9Sstevel@tonic-gate off32_t l_start; 2567c478bd9Sstevel@tonic-gate off32_t l_len; /* len == 0 means until end of file */ 2577c478bd9Sstevel@tonic-gate int32_t l_sysid; 2587c478bd9Sstevel@tonic-gate pid32_t l_pid; 2597c478bd9Sstevel@tonic-gate int32_t l_pad[4]; /* reserve area */ 2607c478bd9Sstevel@tonic-gate } flock32_t; 2617c478bd9Sstevel@tonic-gate 2627c478bd9Sstevel@tonic-gate #endif /* _SYSCALL32 */ 2637c478bd9Sstevel@tonic-gate 2647c478bd9Sstevel@tonic-gate /* transitional large file interface version */ 2657c478bd9Sstevel@tonic-gate 266*69c811abSRobert Mustacchi #if defined(_LARGEFILE64_SOURCE) 2677c478bd9Sstevel@tonic-gate 2687c478bd9Sstevel@tonic-gate typedef struct flock64 { 2697c478bd9Sstevel@tonic-gate short l_type; 2707c478bd9Sstevel@tonic-gate short l_whence; 2717c478bd9Sstevel@tonic-gate off64_t l_start; 2727c478bd9Sstevel@tonic-gate off64_t l_len; /* len == 0 means until end of file */ 2737c478bd9Sstevel@tonic-gate int l_sysid; 2747c478bd9Sstevel@tonic-gate pid_t l_pid; 2757c478bd9Sstevel@tonic-gate long l_pad[4]; /* reserve area */ 2767c478bd9Sstevel@tonic-gate } flock64_t; 2777c478bd9Sstevel@tonic-gate 2787c478bd9Sstevel@tonic-gate #if defined(_SYSCALL32) 2797c478bd9Sstevel@tonic-gate 2807c478bd9Sstevel@tonic-gate /* Kernel's view of ILP32 flock64 */ 2817c478bd9Sstevel@tonic-gate 2827c478bd9Sstevel@tonic-gate #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 2837c478bd9Sstevel@tonic-gate #pragma pack(4) 2847c478bd9Sstevel@tonic-gate #endif 2857c478bd9Sstevel@tonic-gate 2867c478bd9Sstevel@tonic-gate typedef struct flock64_32 { 2877c478bd9Sstevel@tonic-gate int16_t l_type; 2887c478bd9Sstevel@tonic-gate int16_t l_whence; 2897c478bd9Sstevel@tonic-gate off64_t l_start; 2907c478bd9Sstevel@tonic-gate off64_t l_len; /* len == 0 means until end of file */ 2917c478bd9Sstevel@tonic-gate int32_t l_sysid; 2927c478bd9Sstevel@tonic-gate pid32_t l_pid; 2937c478bd9Sstevel@tonic-gate int32_t l_pad[4]; /* reserve area */ 2947c478bd9Sstevel@tonic-gate } flock64_32_t; 2957c478bd9Sstevel@tonic-gate 2967c478bd9Sstevel@tonic-gate #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 2977c478bd9Sstevel@tonic-gate #pragma pack() 2987c478bd9Sstevel@tonic-gate #endif 2997c478bd9Sstevel@tonic-gate 3007c478bd9Sstevel@tonic-gate /* Kernel's view of LP64 flock64 */ 3017c478bd9Sstevel@tonic-gate 3027c478bd9Sstevel@tonic-gate typedef struct flock64_64 { 3037c478bd9Sstevel@tonic-gate int16_t l_type; 3047c478bd9Sstevel@tonic-gate int16_t l_whence; 3057c478bd9Sstevel@tonic-gate off64_t l_start; 3067c478bd9Sstevel@tonic-gate off64_t l_len; /* len == 0 means until end of file */ 3077c478bd9Sstevel@tonic-gate int32_t l_sysid; 3087c478bd9Sstevel@tonic-gate pid32_t l_pid; 3097c478bd9Sstevel@tonic-gate int64_t l_pad[4]; /* reserve area */ 3107c478bd9Sstevel@tonic-gate } flock64_64_t; 3117c478bd9Sstevel@tonic-gate 3127c478bd9Sstevel@tonic-gate #endif /* _SYSCALL32 */ 3137c478bd9Sstevel@tonic-gate 3147c478bd9Sstevel@tonic-gate #endif /* _LARGEFILE64_SOURCE */ 3157c478bd9Sstevel@tonic-gate 3167c478bd9Sstevel@tonic-gate #if defined(_KERNEL) || defined(_KMEMUSER) 3177c478bd9Sstevel@tonic-gate /* SVr3 flock type; needed for rfs across the wire compatibility */ 3187c478bd9Sstevel@tonic-gate typedef struct o_flock { 3197c478bd9Sstevel@tonic-gate int16_t l_type; 3207c478bd9Sstevel@tonic-gate int16_t l_whence; 3217c478bd9Sstevel@tonic-gate int32_t l_start; 3227c478bd9Sstevel@tonic-gate int32_t l_len; /* len == 0 means until end of file */ 3237c478bd9Sstevel@tonic-gate int16_t l_sysid; 3247c478bd9Sstevel@tonic-gate int16_t l_pid; 3257c478bd9Sstevel@tonic-gate } o_flock_t; 3267c478bd9Sstevel@tonic-gate #endif /* defined(_KERNEL) */ 3277c478bd9Sstevel@tonic-gate 3287c478bd9Sstevel@tonic-gate /* 3297c478bd9Sstevel@tonic-gate * File segment locking types. 3307c478bd9Sstevel@tonic-gate */ 3317c478bd9Sstevel@tonic-gate #define F_RDLCK 01 /* Read lock */ 3327c478bd9Sstevel@tonic-gate #define F_WRLCK 02 /* Write lock */ 3337c478bd9Sstevel@tonic-gate #define F_UNLCK 03 /* Remove lock(s) */ 3347c478bd9Sstevel@tonic-gate #define F_UNLKSYS 04 /* remove remote locks for a given system */ 3357c478bd9Sstevel@tonic-gate 3367c478bd9Sstevel@tonic-gate /* 3377c478bd9Sstevel@tonic-gate * POSIX constants 3387c478bd9Sstevel@tonic-gate */ 3397c478bd9Sstevel@tonic-gate 340794f0adbSRoger A. Faulkner /* Mask for file access modes */ 341794f0adbSRoger A. Faulkner #define O_ACCMODE (O_SEARCH | O_EXEC | 0x3) 3427c478bd9Sstevel@tonic-gate #define FD_CLOEXEC 1 /* close on exec flag */ 3437c478bd9Sstevel@tonic-gate 3447c478bd9Sstevel@tonic-gate /* 3457c478bd9Sstevel@tonic-gate * DIRECTIO 3467c478bd9Sstevel@tonic-gate */ 3477c478bd9Sstevel@tonic-gate #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) 3487c478bd9Sstevel@tonic-gate #define DIRECTIO_OFF (0) 3497c478bd9Sstevel@tonic-gate #define DIRECTIO_ON (1) 3507c478bd9Sstevel@tonic-gate 3517c478bd9Sstevel@tonic-gate /* 3527c478bd9Sstevel@tonic-gate * File share reservation type 3537c478bd9Sstevel@tonic-gate */ 3547c478bd9Sstevel@tonic-gate typedef struct fshare { 3557c478bd9Sstevel@tonic-gate short f_access; 3567c478bd9Sstevel@tonic-gate short f_deny; 3577c478bd9Sstevel@tonic-gate int f_id; 3587c478bd9Sstevel@tonic-gate } fshare_t; 3597c478bd9Sstevel@tonic-gate 3607c478bd9Sstevel@tonic-gate /* 3617c478bd9Sstevel@tonic-gate * f_access values 3627c478bd9Sstevel@tonic-gate */ 3637c478bd9Sstevel@tonic-gate #define F_RDACC 0x1 /* Read-only share access */ 3647c478bd9Sstevel@tonic-gate #define F_WRACC 0x2 /* Write-only share access */ 3657c478bd9Sstevel@tonic-gate #define F_RWACC 0x3 /* Read-Write share access */ 366da6c28aaSamw #define F_RMACC 0x4 /* private flag: Delete share access */ 367da6c28aaSamw #define F_MDACC 0x20 /* private flag: Metadata share access */ 3687c478bd9Sstevel@tonic-gate 3697c478bd9Sstevel@tonic-gate /* 3707c478bd9Sstevel@tonic-gate * f_deny values 3717c478bd9Sstevel@tonic-gate */ 3727c478bd9Sstevel@tonic-gate #define F_NODNY 0x0 /* Don't deny others access */ 3737c478bd9Sstevel@tonic-gate #define F_RDDNY 0x1 /* Deny others read share access */ 3747c478bd9Sstevel@tonic-gate #define F_WRDNY 0x2 /* Deny others write share access */ 3757c478bd9Sstevel@tonic-gate #define F_RWDNY 0x3 /* Deny others read or write share access */ 376da6c28aaSamw #define F_RMDNY 0x4 /* private flag: Deny delete share access */ 3777c478bd9Sstevel@tonic-gate #define F_COMPAT 0x8 /* Set share to old DOS compatibility mode */ 3787c478bd9Sstevel@tonic-gate #define F_MANDDNY 0x10 /* private flag: mandatory enforcement */ 3797c478bd9Sstevel@tonic-gate #endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) */ 3807c478bd9Sstevel@tonic-gate 3817c478bd9Sstevel@tonic-gate /* 3827c478bd9Sstevel@tonic-gate * Special flags for functions such as openat(), fstatat().... 3837c478bd9Sstevel@tonic-gate */ 3847c478bd9Sstevel@tonic-gate #if !defined(__XOPEN_OR_POSIX) || defined(_ATFILE_SOURCE) || \ 3857c478bd9Sstevel@tonic-gate defined(__EXTENSIONS__) 386794f0adbSRoger A. Faulkner /* || defined(_XPG7) */ 3877c478bd9Sstevel@tonic-gate #define AT_FDCWD 0xffd19553 3887c478bd9Sstevel@tonic-gate #define AT_SYMLINK_NOFOLLOW 0x1000 389794f0adbSRoger A. Faulkner #define AT_SYMLINK_FOLLOW 0x2000 /* only for linkat() */ 3907c478bd9Sstevel@tonic-gate #define AT_REMOVEDIR 0x1 391b9238976Sth #define _AT_TRIGGER 0x2 392b2b3ca14SSumanth Naropanth #define AT_EACCESS 0x4 /* use EUID/EGID for access */ 3937c478bd9Sstevel@tonic-gate #endif 3947c478bd9Sstevel@tonic-gate 395019c3c43Sraf #if !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || defined(__EXTENSIONS__) 396019c3c43Sraf /* advice for posix_fadvise */ 397019c3c43Sraf #define POSIX_FADV_NORMAL 0 398019c3c43Sraf #define POSIX_FADV_RANDOM 1 399019c3c43Sraf #define POSIX_FADV_SEQUENTIAL 2 400019c3c43Sraf #define POSIX_FADV_WILLNEED 3 401019c3c43Sraf #define POSIX_FADV_DONTNEED 4 402019c3c43Sraf #define POSIX_FADV_NOREUSE 5 403019c3c43Sraf #endif 404019c3c43Sraf 4057c478bd9Sstevel@tonic-gate #ifdef __cplusplus 4067c478bd9Sstevel@tonic-gate } 4077c478bd9Sstevel@tonic-gate #endif 4087c478bd9Sstevel@tonic-gate 4097c478bd9Sstevel@tonic-gate #endif /* _SYS_FCNTL_H */ 410