1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28*7c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 29*7c478bd9Sstevel@tonic-gate 30*7c478bd9Sstevel@tonic-gate /* 31*7c478bd9Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988 32*7c478bd9Sstevel@tonic-gate * The Regents of the University of California 33*7c478bd9Sstevel@tonic-gate * All Rights Reserved 34*7c478bd9Sstevel@tonic-gate * 35*7c478bd9Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from 36*7c478bd9Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its 37*7c478bd9Sstevel@tonic-gate * contributors. 38*7c478bd9Sstevel@tonic-gate */ 39*7c478bd9Sstevel@tonic-gate 40*7c478bd9Sstevel@tonic-gate #ifndef _SYS_FCNTL_H 41*7c478bd9Sstevel@tonic-gate #define _SYS_FCNTL_H 42*7c478bd9Sstevel@tonic-gate 43*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 44*7c478bd9Sstevel@tonic-gate 45*7c478bd9Sstevel@tonic-gate #include <sys/feature_tests.h> 46*7c478bd9Sstevel@tonic-gate 47*7c478bd9Sstevel@tonic-gate #include <sys/types.h> 48*7c478bd9Sstevel@tonic-gate 49*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 50*7c478bd9Sstevel@tonic-gate extern "C" { 51*7c478bd9Sstevel@tonic-gate #endif 52*7c478bd9Sstevel@tonic-gate 53*7c478bd9Sstevel@tonic-gate /* 54*7c478bd9Sstevel@tonic-gate * Flag values accessible to open(2) and fcntl(2) 55*7c478bd9Sstevel@tonic-gate * (the first three can only be set by open(2)). 56*7c478bd9Sstevel@tonic-gate */ 57*7c478bd9Sstevel@tonic-gate #define O_RDONLY 0 58*7c478bd9Sstevel@tonic-gate #define O_WRONLY 1 59*7c478bd9Sstevel@tonic-gate #define O_RDWR 2 60*7c478bd9Sstevel@tonic-gate #if defined(__EXTENSIONS__) || !defined(_POSIX_C_SOURCE) 61*7c478bd9Sstevel@tonic-gate #define O_NDELAY 0x04 /* non-blocking I/O */ 62*7c478bd9Sstevel@tonic-gate #endif /* defined(__EXTENSIONS__) || !defined(_POSIX_C_SOURCE) */ 63*7c478bd9Sstevel@tonic-gate #define O_APPEND 0x08 /* append (writes guaranteed at the end) */ 64*7c478bd9Sstevel@tonic-gate #if defined(__EXTENSIONS__) || !defined(_POSIX_C_SOURCE) || \ 65*7c478bd9Sstevel@tonic-gate (_POSIX_C_SOURCE > 2) || defined(_XOPEN_SOURCE) 66*7c478bd9Sstevel@tonic-gate #define O_SYNC 0x10 /* synchronized file update option */ 67*7c478bd9Sstevel@tonic-gate #define O_DSYNC 0x40 /* synchronized data update option */ 68*7c478bd9Sstevel@tonic-gate #define O_RSYNC 0x8000 /* synchronized file update option */ 69*7c478bd9Sstevel@tonic-gate /* defines read/write file integrity */ 70*7c478bd9Sstevel@tonic-gate #endif /* defined(__EXTENSIONS__) || !defined(_POSIX_C_SOURCE) ... */ 71*7c478bd9Sstevel@tonic-gate #define O_NONBLOCK 0x80 /* non-blocking I/O (POSIX) */ 72*7c478bd9Sstevel@tonic-gate #ifdef SUN_SRC_COMPAT 73*7c478bd9Sstevel@tonic-gate #define O_PRIV 0x1000 /* Private access to file */ 74*7c478bd9Sstevel@tonic-gate #endif /* SUN_SRC_COMPAT */ 75*7c478bd9Sstevel@tonic-gate #ifdef _LARGEFILE_SOURCE 76*7c478bd9Sstevel@tonic-gate #define O_LARGEFILE 0x2000 77*7c478bd9Sstevel@tonic-gate #endif 78*7c478bd9Sstevel@tonic-gate 79*7c478bd9Sstevel@tonic-gate /* 80*7c478bd9Sstevel@tonic-gate * Flag values accessible only to open(2). 81*7c478bd9Sstevel@tonic-gate */ 82*7c478bd9Sstevel@tonic-gate #define O_CREAT 0x100 /* open with file create (uses third arg) */ 83*7c478bd9Sstevel@tonic-gate #define O_TRUNC 0x200 /* open with truncation */ 84*7c478bd9Sstevel@tonic-gate #define O_EXCL 0x400 /* exclusive open */ 85*7c478bd9Sstevel@tonic-gate #define O_NOCTTY 0x800 /* don't allocate controlling tty (POSIX) */ 86*7c478bd9Sstevel@tonic-gate #define O_XATTR 0x4000 /* extended attribute */ 87*7c478bd9Sstevel@tonic-gate #define O_NOFOLLOW 0x20000 /* don't follow symlinks */ 88*7c478bd9Sstevel@tonic-gate #define O_NOLINKS 0x40000 /* don't allow multiple hard links */ 89*7c478bd9Sstevel@tonic-gate 90*7c478bd9Sstevel@tonic-gate /* 91*7c478bd9Sstevel@tonic-gate * fcntl(2) requests 92*7c478bd9Sstevel@tonic-gate * 93*7c478bd9Sstevel@tonic-gate * N.B.: values are not necessarily assigned sequentially below. 94*7c478bd9Sstevel@tonic-gate */ 95*7c478bd9Sstevel@tonic-gate #define F_DUPFD 0 /* Duplicate fildes */ 96*7c478bd9Sstevel@tonic-gate #define F_GETFD 1 /* Get fildes flags */ 97*7c478bd9Sstevel@tonic-gate #define F_SETFD 2 /* Set fildes flags */ 98*7c478bd9Sstevel@tonic-gate #define F_GETFL 3 /* Get file flags */ 99*7c478bd9Sstevel@tonic-gate #define F_GETXFL 45 /* Get file flags including open-only flags */ 100*7c478bd9Sstevel@tonic-gate #define F_SETFL 4 /* Set file flags */ 101*7c478bd9Sstevel@tonic-gate 102*7c478bd9Sstevel@tonic-gate /* 103*7c478bd9Sstevel@tonic-gate * Applications that read /dev/mem must be built like the kernel. A 104*7c478bd9Sstevel@tonic-gate * new symbol "_KMEMUSER" is defined for this purpose. 105*7c478bd9Sstevel@tonic-gate */ 106*7c478bd9Sstevel@tonic-gate #if defined(_KERNEL) || defined(_KMEMUSER) 107*7c478bd9Sstevel@tonic-gate #define F_O_GETLK 5 /* SVR3 Get file lock (need for rfs, across */ 108*7c478bd9Sstevel@tonic-gate /* the wire compatibility */ 109*7c478bd9Sstevel@tonic-gate /* clustering: lock id contains both per-node sysid and node id */ 110*7c478bd9Sstevel@tonic-gate #define SYSIDMASK 0x0000ffff 111*7c478bd9Sstevel@tonic-gate #define GETSYSID(id) (id & SYSIDMASK) 112*7c478bd9Sstevel@tonic-gate #define NODEIDMASK 0xffff0000 113*7c478bd9Sstevel@tonic-gate #define BITS_IN_SYSID 16 114*7c478bd9Sstevel@tonic-gate #define GETNLMID(sysid) ((int)(((uint_t)(sysid) & NODEIDMASK) >> \ 115*7c478bd9Sstevel@tonic-gate BITS_IN_SYSID)) 116*7c478bd9Sstevel@tonic-gate 117*7c478bd9Sstevel@tonic-gate /* Clustering: Macro used for PXFS locks */ 118*7c478bd9Sstevel@tonic-gate #define GETPXFSID(sysid) ((int)(((uint_t)(sysid) & NODEIDMASK) >> \ 119*7c478bd9Sstevel@tonic-gate BITS_IN_SYSID)) 120*7c478bd9Sstevel@tonic-gate #endif /* defined(_KERNEL) */ 121*7c478bd9Sstevel@tonic-gate 122*7c478bd9Sstevel@tonic-gate #define F_CHKFL 8 /* Unused */ 123*7c478bd9Sstevel@tonic-gate #define F_DUP2FD 9 /* Duplicate fildes at third arg */ 124*7c478bd9Sstevel@tonic-gate 125*7c478bd9Sstevel@tonic-gate #define F_ALLOCSP 10 /* Reserved */ 126*7c478bd9Sstevel@tonic-gate #define F_ISSTREAM 13 /* Is the file desc. a stream ? */ 127*7c478bd9Sstevel@tonic-gate #define F_PRIV 15 /* Turn on private access to file */ 128*7c478bd9Sstevel@tonic-gate #define F_NPRIV 16 /* Turn off private access to file */ 129*7c478bd9Sstevel@tonic-gate #define F_QUOTACTL 17 /* UFS quota call */ 130*7c478bd9Sstevel@tonic-gate #define F_BLOCKS 18 /* Get number of BLKSIZE blocks allocated */ 131*7c478bd9Sstevel@tonic-gate #define F_BLKSIZE 19 /* Get optimal I/O block size */ 132*7c478bd9Sstevel@tonic-gate /* 133*7c478bd9Sstevel@tonic-gate * Numbers 20-22 have been removed and should not be reused. 134*7c478bd9Sstevel@tonic-gate */ 135*7c478bd9Sstevel@tonic-gate #define F_GETOWN 23 /* Get owner (socket emulation) */ 136*7c478bd9Sstevel@tonic-gate #define F_SETOWN 24 /* Set owner (socket emulation) */ 137*7c478bd9Sstevel@tonic-gate 138*7c478bd9Sstevel@tonic-gate #ifdef C2_AUDIT 139*7c478bd9Sstevel@tonic-gate #define F_REVOKE 25 /* C2 Security. Revoke access to file desc. */ 140*7c478bd9Sstevel@tonic-gate #endif 141*7c478bd9Sstevel@tonic-gate 142*7c478bd9Sstevel@tonic-gate #define F_HASREMOTELOCKS 26 /* Does vp have NFS locks; private to lock */ 143*7c478bd9Sstevel@tonic-gate /* manager */ 144*7c478bd9Sstevel@tonic-gate 145*7c478bd9Sstevel@tonic-gate /* 146*7c478bd9Sstevel@tonic-gate * Commands that refer to flock structures. The argument types differ between 147*7c478bd9Sstevel@tonic-gate * the large and small file environments; therefore, the #defined values must 148*7c478bd9Sstevel@tonic-gate * as well. 149*7c478bd9Sstevel@tonic-gate * The NBMAND forms are private and should not be used. 150*7c478bd9Sstevel@tonic-gate */ 151*7c478bd9Sstevel@tonic-gate 152*7c478bd9Sstevel@tonic-gate #if defined(_LP64) || _FILE_OFFSET_BITS == 32 153*7c478bd9Sstevel@tonic-gate /* "Native" application compilation environment */ 154*7c478bd9Sstevel@tonic-gate #define F_SETLK 6 /* Set file lock */ 155*7c478bd9Sstevel@tonic-gate #define F_SETLKW 7 /* Set file lock and wait */ 156*7c478bd9Sstevel@tonic-gate #define F_FREESP 11 /* Free file space */ 157*7c478bd9Sstevel@tonic-gate #define F_GETLK 14 /* Get file lock */ 158*7c478bd9Sstevel@tonic-gate #define F_SETLK_NBMAND 42 /* private */ 159*7c478bd9Sstevel@tonic-gate #else 160*7c478bd9Sstevel@tonic-gate /* ILP32 large file application compilation environment version */ 161*7c478bd9Sstevel@tonic-gate #define F_SETLK 34 /* Set file lock */ 162*7c478bd9Sstevel@tonic-gate #define F_SETLKW 35 /* Set file lock and wait */ 163*7c478bd9Sstevel@tonic-gate #define F_FREESP 27 /* Free file space */ 164*7c478bd9Sstevel@tonic-gate #define F_GETLK 33 /* Get file lock */ 165*7c478bd9Sstevel@tonic-gate #define F_SETLK_NBMAND 44 /* private */ 166*7c478bd9Sstevel@tonic-gate #endif /* _LP64 || _FILE_OFFSET_BITS == 32 */ 167*7c478bd9Sstevel@tonic-gate 168*7c478bd9Sstevel@tonic-gate #if defined(_LARGEFILE64_SOURCE) 169*7c478bd9Sstevel@tonic-gate 170*7c478bd9Sstevel@tonic-gate #if !defined(_LP64) || defined(_KERNEL) 171*7c478bd9Sstevel@tonic-gate /* 172*7c478bd9Sstevel@tonic-gate * transitional large file interface version 173*7c478bd9Sstevel@tonic-gate * These are only valid in a 32 bit application compiled with large files 174*7c478bd9Sstevel@tonic-gate * option, for source compatibility, the 64-bit versions are mapped back 175*7c478bd9Sstevel@tonic-gate * to the native versions. 176*7c478bd9Sstevel@tonic-gate */ 177*7c478bd9Sstevel@tonic-gate #define F_SETLK64 34 /* Set file lock */ 178*7c478bd9Sstevel@tonic-gate #define F_SETLKW64 35 /* Set file lock and wait */ 179*7c478bd9Sstevel@tonic-gate #define F_FREESP64 27 /* Free file space */ 180*7c478bd9Sstevel@tonic-gate #define F_GETLK64 33 /* Get file lock */ 181*7c478bd9Sstevel@tonic-gate #define F_SETLK64_NBMAND 44 /* private */ 182*7c478bd9Sstevel@tonic-gate #else 183*7c478bd9Sstevel@tonic-gate #define F_SETLK64 6 /* Set file lock */ 184*7c478bd9Sstevel@tonic-gate #define F_SETLKW64 7 /* Set file lock and wait */ 185*7c478bd9Sstevel@tonic-gate #define F_FREESP64 11 /* Free file space */ 186*7c478bd9Sstevel@tonic-gate #define F_GETLK64 14 /* Get file lock */ 187*7c478bd9Sstevel@tonic-gate #define F_SETLK64_NBMAND 42 /* private */ 188*7c478bd9Sstevel@tonic-gate #endif /* !_LP64 || _KERNEL */ 189*7c478bd9Sstevel@tonic-gate 190*7c478bd9Sstevel@tonic-gate #endif /* _LARGEFILE64_SOURCE */ 191*7c478bd9Sstevel@tonic-gate 192*7c478bd9Sstevel@tonic-gate #define F_SHARE 40 /* Set a file share reservation */ 193*7c478bd9Sstevel@tonic-gate #define F_UNSHARE 41 /* Remove a file share reservation */ 194*7c478bd9Sstevel@tonic-gate #define F_SHARE_NBMAND 43 /* private */ 195*7c478bd9Sstevel@tonic-gate 196*7c478bd9Sstevel@tonic-gate /* 197*7c478bd9Sstevel@tonic-gate * File segment locking set data type - information passed to system by user. 198*7c478bd9Sstevel@tonic-gate */ 199*7c478bd9Sstevel@tonic-gate 200*7c478bd9Sstevel@tonic-gate /* regular version, for both small and large file compilation environment */ 201*7c478bd9Sstevel@tonic-gate typedef struct flock { 202*7c478bd9Sstevel@tonic-gate short l_type; 203*7c478bd9Sstevel@tonic-gate short l_whence; 204*7c478bd9Sstevel@tonic-gate off_t l_start; 205*7c478bd9Sstevel@tonic-gate off_t l_len; /* len == 0 means until end of file */ 206*7c478bd9Sstevel@tonic-gate int l_sysid; 207*7c478bd9Sstevel@tonic-gate pid_t l_pid; 208*7c478bd9Sstevel@tonic-gate long l_pad[4]; /* reserve area */ 209*7c478bd9Sstevel@tonic-gate } flock_t; 210*7c478bd9Sstevel@tonic-gate 211*7c478bd9Sstevel@tonic-gate #if defined(_SYSCALL32) 212*7c478bd9Sstevel@tonic-gate 213*7c478bd9Sstevel@tonic-gate /* Kernel's view of ILP32 flock structure */ 214*7c478bd9Sstevel@tonic-gate 215*7c478bd9Sstevel@tonic-gate typedef struct flock32 { 216*7c478bd9Sstevel@tonic-gate int16_t l_type; 217*7c478bd9Sstevel@tonic-gate int16_t l_whence; 218*7c478bd9Sstevel@tonic-gate off32_t l_start; 219*7c478bd9Sstevel@tonic-gate off32_t l_len; /* len == 0 means until end of file */ 220*7c478bd9Sstevel@tonic-gate int32_t l_sysid; 221*7c478bd9Sstevel@tonic-gate pid32_t l_pid; 222*7c478bd9Sstevel@tonic-gate int32_t l_pad[4]; /* reserve area */ 223*7c478bd9Sstevel@tonic-gate } flock32_t; 224*7c478bd9Sstevel@tonic-gate 225*7c478bd9Sstevel@tonic-gate #endif /* _SYSCALL32 */ 226*7c478bd9Sstevel@tonic-gate 227*7c478bd9Sstevel@tonic-gate /* transitional large file interface version */ 228*7c478bd9Sstevel@tonic-gate 229*7c478bd9Sstevel@tonic-gate #if defined(_LARGEFILE64_SOURCE) 230*7c478bd9Sstevel@tonic-gate 231*7c478bd9Sstevel@tonic-gate typedef struct flock64 { 232*7c478bd9Sstevel@tonic-gate short l_type; 233*7c478bd9Sstevel@tonic-gate short l_whence; 234*7c478bd9Sstevel@tonic-gate off64_t l_start; 235*7c478bd9Sstevel@tonic-gate off64_t l_len; /* len == 0 means until end of file */ 236*7c478bd9Sstevel@tonic-gate int l_sysid; 237*7c478bd9Sstevel@tonic-gate pid_t l_pid; 238*7c478bd9Sstevel@tonic-gate long l_pad[4]; /* reserve area */ 239*7c478bd9Sstevel@tonic-gate } flock64_t; 240*7c478bd9Sstevel@tonic-gate 241*7c478bd9Sstevel@tonic-gate #if defined(_SYSCALL32) 242*7c478bd9Sstevel@tonic-gate 243*7c478bd9Sstevel@tonic-gate /* Kernel's view of ILP32 flock64 */ 244*7c478bd9Sstevel@tonic-gate 245*7c478bd9Sstevel@tonic-gate #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 246*7c478bd9Sstevel@tonic-gate #pragma pack(4) 247*7c478bd9Sstevel@tonic-gate #endif 248*7c478bd9Sstevel@tonic-gate 249*7c478bd9Sstevel@tonic-gate typedef struct flock64_32 { 250*7c478bd9Sstevel@tonic-gate int16_t l_type; 251*7c478bd9Sstevel@tonic-gate int16_t l_whence; 252*7c478bd9Sstevel@tonic-gate off64_t l_start; 253*7c478bd9Sstevel@tonic-gate off64_t l_len; /* len == 0 means until end of file */ 254*7c478bd9Sstevel@tonic-gate int32_t l_sysid; 255*7c478bd9Sstevel@tonic-gate pid32_t l_pid; 256*7c478bd9Sstevel@tonic-gate int32_t l_pad[4]; /* reserve area */ 257*7c478bd9Sstevel@tonic-gate } flock64_32_t; 258*7c478bd9Sstevel@tonic-gate 259*7c478bd9Sstevel@tonic-gate #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 260*7c478bd9Sstevel@tonic-gate #pragma pack() 261*7c478bd9Sstevel@tonic-gate #endif 262*7c478bd9Sstevel@tonic-gate 263*7c478bd9Sstevel@tonic-gate /* Kernel's view of LP64 flock64 */ 264*7c478bd9Sstevel@tonic-gate 265*7c478bd9Sstevel@tonic-gate typedef struct flock64_64 { 266*7c478bd9Sstevel@tonic-gate int16_t l_type; 267*7c478bd9Sstevel@tonic-gate int16_t l_whence; 268*7c478bd9Sstevel@tonic-gate off64_t l_start; 269*7c478bd9Sstevel@tonic-gate off64_t l_len; /* len == 0 means until end of file */ 270*7c478bd9Sstevel@tonic-gate int32_t l_sysid; 271*7c478bd9Sstevel@tonic-gate pid32_t l_pid; 272*7c478bd9Sstevel@tonic-gate int64_t l_pad[4]; /* reserve area */ 273*7c478bd9Sstevel@tonic-gate } flock64_64_t; 274*7c478bd9Sstevel@tonic-gate 275*7c478bd9Sstevel@tonic-gate #endif /* _SYSCALL32 */ 276*7c478bd9Sstevel@tonic-gate 277*7c478bd9Sstevel@tonic-gate #endif /* _LARGEFILE64_SOURCE */ 278*7c478bd9Sstevel@tonic-gate 279*7c478bd9Sstevel@tonic-gate #if defined(_KERNEL) || defined(_KMEMUSER) 280*7c478bd9Sstevel@tonic-gate /* SVr3 flock type; needed for rfs across the wire compatibility */ 281*7c478bd9Sstevel@tonic-gate typedef struct o_flock { 282*7c478bd9Sstevel@tonic-gate int16_t l_type; 283*7c478bd9Sstevel@tonic-gate int16_t l_whence; 284*7c478bd9Sstevel@tonic-gate int32_t l_start; 285*7c478bd9Sstevel@tonic-gate int32_t l_len; /* len == 0 means until end of file */ 286*7c478bd9Sstevel@tonic-gate int16_t l_sysid; 287*7c478bd9Sstevel@tonic-gate int16_t l_pid; 288*7c478bd9Sstevel@tonic-gate } o_flock_t; 289*7c478bd9Sstevel@tonic-gate #endif /* defined(_KERNEL) */ 290*7c478bd9Sstevel@tonic-gate 291*7c478bd9Sstevel@tonic-gate /* 292*7c478bd9Sstevel@tonic-gate * File segment locking types. 293*7c478bd9Sstevel@tonic-gate */ 294*7c478bd9Sstevel@tonic-gate #define F_RDLCK 01 /* Read lock */ 295*7c478bd9Sstevel@tonic-gate #define F_WRLCK 02 /* Write lock */ 296*7c478bd9Sstevel@tonic-gate #define F_UNLCK 03 /* Remove lock(s) */ 297*7c478bd9Sstevel@tonic-gate #define F_UNLKSYS 04 /* remove remote locks for a given system */ 298*7c478bd9Sstevel@tonic-gate 299*7c478bd9Sstevel@tonic-gate /* 300*7c478bd9Sstevel@tonic-gate * POSIX constants 301*7c478bd9Sstevel@tonic-gate */ 302*7c478bd9Sstevel@tonic-gate 303*7c478bd9Sstevel@tonic-gate #define O_ACCMODE 3 /* Mask for file access modes */ 304*7c478bd9Sstevel@tonic-gate #define FD_CLOEXEC 1 /* close on exec flag */ 305*7c478bd9Sstevel@tonic-gate 306*7c478bd9Sstevel@tonic-gate /* 307*7c478bd9Sstevel@tonic-gate * DIRECTIO 308*7c478bd9Sstevel@tonic-gate */ 309*7c478bd9Sstevel@tonic-gate #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) 310*7c478bd9Sstevel@tonic-gate #define DIRECTIO_OFF (0) 311*7c478bd9Sstevel@tonic-gate #define DIRECTIO_ON (1) 312*7c478bd9Sstevel@tonic-gate 313*7c478bd9Sstevel@tonic-gate /* 314*7c478bd9Sstevel@tonic-gate * File share reservation type 315*7c478bd9Sstevel@tonic-gate */ 316*7c478bd9Sstevel@tonic-gate typedef struct fshare { 317*7c478bd9Sstevel@tonic-gate short f_access; 318*7c478bd9Sstevel@tonic-gate short f_deny; 319*7c478bd9Sstevel@tonic-gate int f_id; 320*7c478bd9Sstevel@tonic-gate } fshare_t; 321*7c478bd9Sstevel@tonic-gate 322*7c478bd9Sstevel@tonic-gate /* 323*7c478bd9Sstevel@tonic-gate * f_access values 324*7c478bd9Sstevel@tonic-gate */ 325*7c478bd9Sstevel@tonic-gate #define F_RDACC 0x1 /* Read-only share access */ 326*7c478bd9Sstevel@tonic-gate #define F_WRACC 0x2 /* Write-only share access */ 327*7c478bd9Sstevel@tonic-gate #define F_RWACC 0x3 /* Read-Write share access */ 328*7c478bd9Sstevel@tonic-gate 329*7c478bd9Sstevel@tonic-gate /* 330*7c478bd9Sstevel@tonic-gate * f_deny values 331*7c478bd9Sstevel@tonic-gate */ 332*7c478bd9Sstevel@tonic-gate #define F_NODNY 0x0 /* Don't deny others access */ 333*7c478bd9Sstevel@tonic-gate #define F_RDDNY 0x1 /* Deny others read share access */ 334*7c478bd9Sstevel@tonic-gate #define F_WRDNY 0x2 /* Deny others write share access */ 335*7c478bd9Sstevel@tonic-gate #define F_RWDNY 0x3 /* Deny others read or write share access */ 336*7c478bd9Sstevel@tonic-gate #define F_COMPAT 0x8 /* Set share to old DOS compatibility mode */ 337*7c478bd9Sstevel@tonic-gate #define F_MANDDNY 0x10 /* private flag: mandatory enforcement */ 338*7c478bd9Sstevel@tonic-gate #endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) */ 339*7c478bd9Sstevel@tonic-gate 340*7c478bd9Sstevel@tonic-gate /* 341*7c478bd9Sstevel@tonic-gate * Special flags for functions such as openat(), fstatat().... 342*7c478bd9Sstevel@tonic-gate */ 343*7c478bd9Sstevel@tonic-gate #if !defined(__XOPEN_OR_POSIX) || defined(_ATFILE_SOURCE) || \ 344*7c478bd9Sstevel@tonic-gate defined(__EXTENSIONS__) 345*7c478bd9Sstevel@tonic-gate #define AT_FDCWD 0xffd19553 346*7c478bd9Sstevel@tonic-gate #define AT_SYMLINK_NOFOLLOW 0x1000 347*7c478bd9Sstevel@tonic-gate #define AT_REMOVEDIR 0x1 348*7c478bd9Sstevel@tonic-gate #endif 349*7c478bd9Sstevel@tonic-gate 350*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 351*7c478bd9Sstevel@tonic-gate } 352*7c478bd9Sstevel@tonic-gate #endif 353*7c478bd9Sstevel@tonic-gate 354*7c478bd9Sstevel@tonic-gate #endif /* _SYS_FCNTL_H */ 355