1 /* O_*, F_*, FD_* bit values for Linux/HPPA. 2 Copyright (C) 1995,1996,1997,1998,1999,2000,2002,2004 3 Free Software Foundation, Inc. 4 This file is part of the GNU C Library. 5 6 The GNU C Library is free software; you can redistribute it and/or 7 modify it under the terms of the GNU Lesser General Public 8 License as published by the Free Software Foundation; either 9 version 2.1 of the License, or (at your option) any later version. 10 11 The GNU C Library is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 Lesser General Public License for more details. 15 16 You should have received a copy of the GNU Lesser General Public 17 License along with the GNU C Library; if not, see 18 <http://www.gnu.org/licenses/>. */ 19 20 #ifndef _FCNTL_H 21 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead." 22 #endif 23 24 #include <sys/types.h> 25 #ifdef __USE_GNU 26 # include <bits/uio.h> 27 #endif 28 29 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files 30 located on an ext2 file system */ 31 #define O_RDONLY 00000000 32 #define O_WRONLY 00000001 33 #define O_RDWR 00000002 34 #define O_ACCMODE 00000003 35 #define O_APPEND 00000010 36 #define O_BLKSEEK 00000100 /* HPUX only */ 37 #define O_CREAT 00000400 /* not fcntl */ 38 #define O_TRUNC 00001000 /* not fcntl */ 39 #define O_EXCL 00002000 /* not fcntl */ 40 #define O_ASYNC 00020000 41 #define O_SYNC 00100000 42 #define O_NONBLOCK 00200004 /* HPUX has separate NDELAY & NONBLOCK */ 43 #define O_NDELAY O_NONBLOCK 44 #define O_NOCTTY 00400000 /* not fcntl */ 45 46 #ifdef __USE_XOPEN2K8 47 # define O_DIRECTORY 00010000 /* Must be a directory. */ 48 # define O_NOFOLLOW 00000200 /* Do not follow links. */ 49 # define O_CLOEXEC 010000000 /* set close_on_exec */ 50 #endif 51 52 #ifdef __USE_GNU 53 # define O_DIRECT 00040000 /* Direct disk access. */ 54 # define O_NOATIME 04000000 /* Do not set atime. */ 55 # define O_PATH 020000000 /* Resolve pathname but do not open file. */ 56 # define O_TMPFILE 040010000 /* Atomically create nameless file. */ 57 #endif 58 59 #ifdef __USE_LARGEFILE64 60 # define O_LARGEFILE 00004000 61 #endif 62 63 #if defined __USE_POSIX199309 || defined __USE_UNIX98 64 # define O_DSYNC 01000000 /* HPUX only */ 65 # define O_RSYNC 02000000 /* HPUX only */ 66 #endif 67 68 /* Values for the second argument to `fcntl'. */ 69 #define F_DUPFD 0 /* Duplicate file descriptor. */ 70 #define F_GETFD 1 /* Get file descriptor flags. */ 71 #define F_SETFD 2 /* Set file descriptor flags. */ 72 #define F_GETFL 3 /* Get file status flags. */ 73 #define F_SETFL 4 /* Set file status flags. */ 74 #ifndef __USE_FILE_OFFSET64 75 # define F_GETLK 5 /* Get record locking info. */ 76 # define F_SETLK 6 /* Set record locking info (non-blocking). */ 77 # define F_SETLKW 7 /* Set record locking info (blocking). */ 78 #else 79 # define F_GETLK F_GETLK64 /* Get record locking info. */ 80 # define F_SETLK F_SETLK64 /* Set record locking info (non-blocking). */ 81 # define F_SETLKW F_SETLKW64 /* Set record locking info (blocking). */ 82 #endif 83 #define F_GETLK64 8 /* Get record locking info. */ 84 #define F_SETLK64 9 /* Set record locking info (non-blocking). */ 85 #define F_SETLKW64 10 /* Set record locking info (blocking). */ 86 87 #if defined __USE_BSD || defined __USE_UNIX98 88 # define F_GETOWN 11 /* Get owner of socket (receiver of SIGIO). */ 89 # define F_SETOWN 12 /* Set owner of socket (receiver of SIGIO). */ 90 #endif 91 92 #ifdef __USE_GNU 93 # define F_SETSIG 13 /* Set number of signal to be sent. */ 94 # define F_GETSIG 14 /* Get number of signal to be sent. */ 95 #endif 96 97 #ifdef __USE_GNU 98 # define F_SETLEASE 1024 /* Set a lease. */ 99 # define F_GETLEASE 1025 /* Enquire what lease is active. */ 100 # define F_NOTIFY 1026 /* Request notfications on a directory. */ 101 # define F_SETPIPE_SZ 1031 /* Set pipe page size array. */ 102 # define F_GETPIPE_SZ 1032 /* Get pipe page size array. */ 103 #endif 104 #if defined __USE_XOPEN2K8 || defined __USE_GNU 105 # define F_DUPFD_CLOEXEC 1030 /* Duplicate file descriptor with 106 close-on-exit set on new fd. */ 107 #endif 108 109 /* for F_[GET|SET]FL */ 110 #define FD_CLOEXEC 1 /* actually anything with low bit set goes */ 111 112 /* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */ 113 #define F_RDLCK 1 /* Read lock. */ 114 #define F_WRLCK 2 /* Write lock. */ 115 #define F_UNLCK 3 /* Remove lock. */ 116 117 /* for old implementation of bsd flock () */ 118 #define F_EXLCK 4 /* or 3 */ 119 #define F_SHLCK 8 /* or 4 */ 120 121 #ifdef __USE_BSD 122 /* operations for bsd flock(), also used by the kernel implementation */ 123 # define LOCK_SH 1 /* shared lock */ 124 # define LOCK_EX 2 /* exclusive lock */ 125 # define LOCK_NB 4 /* or'd with one of the above to prevent 126 blocking */ 127 # define LOCK_UN 8 /* remove lock */ 128 #endif 129 130 #ifdef __USE_GNU 131 /* Types of directory notifications that may be requested with F_NOTIFY. */ 132 # define DN_ACCESS 0x00000001 /* File accessed. */ 133 # define DN_MODIFY 0x00000002 /* File modified. */ 134 # define DN_CREATE 0x00000004 /* File created. */ 135 # define DN_DELETE 0x00000008 /* File removed. */ 136 # define DN_RENAME 0x00000010 /* File renamed. */ 137 # define DN_ATTRIB 0x00000020 /* File changed attibutes. */ 138 # define DN_MULTISHOT 0x80000000 /* Don't remove notifier. */ 139 #endif 140 141 struct flock 142 { 143 short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */ 144 short int l_whence; /* Where `l_start' is relative to (like `lseek'). */ 145 #ifndef __USE_FILE_OFFSET64 146 __off_t l_start; /* Offset where the lock begins. */ 147 __off_t l_len; /* Size of the locked area; zero means until EOF. */ 148 #else 149 __off64_t l_start; /* Offset where the lock begins. */ 150 __off64_t l_len; /* Size of the locked area; zero means until EOF. */ 151 #endif 152 __pid_t l_pid; /* Process holding the lock. */ 153 }; 154 155 #ifdef __USE_LARGEFILE64 156 struct flock64 157 { 158 short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */ 159 short int l_whence; /* Where `l_start' is relative to (like `lseek'). */ 160 __off64_t l_start; /* Offset where the lock begins. */ 161 __off64_t l_len; /* Size of the locked area; zero means until EOF. */ 162 __pid_t l_pid; /* Process holding the lock. */ 163 }; 164 #endif 165 166 /* Define some more compatibility macros to be backward compatible with 167 BSD systems which did not managed to hide these kernel macros. */ 168 #ifdef __USE_BSD 169 # define FAPPEND O_APPEND 170 # define FFSYNC O_FSYNC 171 # define FASYNC O_ASYNC 172 # define FNONBLOCK O_NONBLOCK 173 # define FNDELAY O_NDELAY 174 #endif /* Use BSD. */ 175 176 /* Advise to `posix_fadvise'. */ 177 #ifdef __USE_XOPEN2K 178 # define POSIX_FADV_NORMAL 0 /* No further special treatment. */ 179 # define POSIX_FADV_RANDOM 1 /* Expect random page references. */ 180 # define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */ 181 # define POSIX_FADV_WILLNEED 3 /* Will need these pages. */ 182 # define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */ 183 # define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */ 184 #endif 185 186 187 #if defined __USE_GNU && defined __UCLIBC_LINUX_SPECIFIC__ 188 /* Flags for SYNC_FILE_RANGE. */ 189 # define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages 190 in the range before performing the 191 write. */ 192 # define SYNC_FILE_RANGE_WRITE 2 /* Initiate writeout of all those 193 dirty pages in the range which are 194 not presently under writeback. */ 195 # define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in 196 the range after performing the 197 write. */ 198 199 /* Flags for SPLICE and VMSPLICE. */ 200 # define SPLICE_F_MOVE 1 /* Move pages instead of copying. */ 201 # define SPLICE_F_NONBLOCK 2 /* Don't block on the pipe splicing 202 (but we may still block on the fd 203 we splice from/to). */ 204 # define SPLICE_F_MORE 4 /* Expect more data. */ 205 # define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */ 206 #endif 207 208 __BEGIN_DECLS 209 210 #if defined __USE_GNU && defined __UCLIBC_LINUX_SPECIFIC__ 211 212 /* Provide kernel hint to read ahead. */ 213 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count) 214 __THROW; 215 216 217 /* Selective file content synch'ing. */ 218 extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to, 219 unsigned int __flags); 220 221 /* Splice address range into a pipe. */ 222 extern ssize_t vmsplice (int __fdout, const struct iovec *__iov, 223 size_t __count, unsigned int __flags); 224 225 /* Splice two files together. */ 226 extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout, 227 __off64_t *__offout, size_t __len, 228 unsigned int __flags); 229 230 /* In-kernel implementation of tee for pipe buffers. */ 231 extern ssize_t tee (int __fdin, int __fdout, size_t __len, 232 unsigned int __flags); 233 234 #endif 235 __END_DECLS 236 237 /* Include generic Linux declarations. */ 238 #include <bits/fcntl-linux.h> 239