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.
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.
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.
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/>. */
21 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
24 #include <sys/types.h>
26 # include <bits/uio.h>
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 */
48 # define O_DIRECT 00040000 /* Direct disk access. */
49 # define O_DIRECTORY 00010000 /* Must be a directory. */
50 # define O_NOFOLLOW 00000200 /* Do not follow links. */
51 # define O_NOATIME 04000000 /* Do not set atime. */
52 # define O_CLOEXEC 010000000 /* set close_on_exec */
55 #ifdef __USE_LARGEFILE64
56 # define O_LARGEFILE 00004000
59 #if defined __USE_POSIX199309 || defined __USE_UNIX98
60 # define O_DSYNC 01000000 /* HPUX only */
61 # define O_RSYNC 02000000 /* HPUX only */
64 /* Values for the second argument to `fcntl'. */
65 #define F_DUPFD 0 /* Duplicate file descriptor. */
66 #define F_GETFD 1 /* Get file descriptor flags. */
67 #define F_SETFD 2 /* Set file descriptor flags. */
68 #define F_GETFL 3 /* Get file status flags. */
69 #define F_SETFL 4 /* Set file status flags. */
70 #ifndef __USE_FILE_OFFSET64
71 # define F_GETLK 5 /* Get record locking info. */
72 # define F_SETLK 6 /* Set record locking info (non-blocking). */
73 # define F_SETLKW 7 /* Set record locking info (blocking). */
75 # define F_GETLK F_GETLK64 /* Get record locking info. */
76 # define F_SETLK F_SETLK64 /* Set record locking info (non-blocking). */
77 # define F_SETLKW F_SETLKW64 /* Set record locking info (blocking). */
79 #define F_GETLK64 8 /* Get record locking info. */
80 #define F_SETLK64 9 /* Set record locking info (non-blocking). */
81 #define F_SETLKW64 10 /* Set record locking info (blocking). */
83 #if defined __USE_BSD || defined __USE_UNIX98
84 # define F_GETOWN 11 /* Get owner of socket (receiver of SIGIO). */
85 # define F_SETOWN 12 /* Set owner of socket (receiver of SIGIO). */
89 # define F_SETSIG 13 /* Set number of signal to be sent. */
90 # define F_GETSIG 14 /* Get number of signal to be sent. */
94 # define F_SETLEASE 1024 /* Set a lease. */
95 # define F_GETLEASE 1025 /* Enquire what lease is active. */
96 # define F_NOTIFY 1026 /* Request notfications on a directory. */
97 # define F_DUPFD_CLOEXEC 1030 /* Duplicate file descriptor with
98 close-on-exit set on new fd. */
101 /* for F_[GET|SET]FL */
102 #define FD_CLOEXEC 1 /* actually anything with low bit set goes */
104 /* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */
105 #define F_RDLCK 1 /* Read lock. */
106 #define F_WRLCK 2 /* Write lock. */
107 #define F_UNLCK 3 /* Remove lock. */
109 /* for old implementation of bsd flock () */
110 #define F_EXLCK 4 /* or 3 */
111 #define F_SHLCK 8 /* or 4 */
114 /* operations for bsd flock(), also used by the kernel implementation */
115 # define LOCK_SH 1 /* shared lock */
116 # define LOCK_EX 2 /* exclusive lock */
117 # define LOCK_NB 4 /* or'd with one of the above to prevent
119 # define LOCK_UN 8 /* remove lock */
123 /* Types of directory notifications that may be requested with F_NOTIFY. */
124 # define DN_ACCESS 0x00000001 /* File accessed. */
125 # define DN_MODIFY 0x00000002 /* File modified. */
126 # define DN_CREATE 0x00000004 /* File created. */
127 # define DN_DELETE 0x00000008 /* File removed. */
128 # define DN_RENAME 0x00000010 /* File renamed. */
129 # define DN_ATTRIB 0x00000020 /* File changed attibutes. */
130 # define DN_MULTISHOT 0x80000000 /* Don't remove notifier. */
135 short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
136 short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
137 #ifndef __USE_FILE_OFFSET64
138 __off_t l_start; /* Offset where the lock begins. */
139 __off_t l_len; /* Size of the locked area; zero means until EOF. */
141 __off64_t l_start; /* Offset where the lock begins. */
142 __off64_t l_len; /* Size of the locked area; zero means until EOF. */
144 __pid_t l_pid; /* Process holding the lock. */
147 #ifdef __USE_LARGEFILE64
150 short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
151 short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
152 __off64_t l_start; /* Offset where the lock begins. */
153 __off64_t l_len; /* Size of the locked area; zero means until EOF. */
154 __pid_t l_pid; /* Process holding the lock. */
158 /* Define some more compatibility macros to be backward compatible with
159 BSD systems which did not managed to hide these kernel macros. */
161 # define FAPPEND O_APPEND
162 # define FFSYNC O_FSYNC
163 # define FASYNC O_ASYNC
164 # define FNONBLOCK O_NONBLOCK
165 # define FNDELAY O_NDELAY
166 #endif /* Use BSD. */
168 /* Advise to `posix_fadvise'. */
170 # define POSIX_FADV_NORMAL 0 /* No further special treatment. */
171 # define POSIX_FADV_RANDOM 1 /* Expect random page references. */
172 # define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
173 # define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
174 # define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */
175 # define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
179 #if defined __USE_GNU && defined __UCLIBC_LINUX_SPECIFIC__
180 /* Flags for SYNC_FILE_RANGE. */
181 # define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages
182 in the range before performing the
184 # define SYNC_FILE_RANGE_WRITE 2 /* Initiate writeout of all those
185 dirty pages in the range which are
186 not presently under writeback. */
187 # define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in
188 the range after performing the
191 /* Flags for SPLICE and VMSPLICE. */
192 # define SPLICE_F_MOVE 1 /* Move pages instead of copying. */
193 # define SPLICE_F_NONBLOCK 2 /* Don't block on the pipe splicing
194 (but we may still block on the fd
195 we splice from/to). */
196 # define SPLICE_F_MORE 4 /* Expect more data. */
197 # define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */
202 #if defined __USE_GNU && defined __UCLIBC_LINUX_SPECIFIC__
204 /* Provide kernel hint to read ahead. */
205 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
209 /* Selective file content synch'ing. */
210 extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
211 unsigned int __flags);
213 /* Splice address range into a pipe. */
214 extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
215 size_t __count, unsigned int __flags);
217 /* Splice two files together. */
218 extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
219 __off64_t *__offout, size_t __len,
220 unsigned int __flags);
222 /* In-kernel implementation of tee for pipe buffers. */
223 extern ssize_t tee (int __fdin, int __fdout, size_t __len,
224 unsigned int __flags);