--- /dev/null
+/* O_*, F_*, FD_* bit values for Linux.
+ Copyright (C) 2001-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _FCNTL_H
+# error "Never use <bits/fcntl-linux.h> directly; include <fcntl.h> instead."
+#endif
+
+/* This file contains shared definitions between Linux architectures
+ and is included by <bits/fcntl.h> to declare them. The various
+ #ifndef cases allow the architecture specific file to define those
+ values with different values.
+
+ A minimal <bits/fcntl.h> contains just:
+
+ struct flock {...}
+ #ifdef __USE_LARGEFILE64
+ struct flock64 {...}
+ #endif
+ #include <bits/fcntl-linux.h>
+*/
+
+#ifdef __USE_GNU
+# include <bits/types/struct_iovec.h>
+#endif
+
+/* open/fcntl. */
+#define O_ACCMODE 0003
+#define O_RDONLY 00
+#define O_WRONLY 01
+#define O_RDWR 02
+#ifndef O_CREAT
+# define O_CREAT 0100 /* Not fcntl. */
+#endif
+#ifndef O_EXCL
+# define O_EXCL 0200 /* Not fcntl. */
+#endif
+#ifndef O_NOCTTY
+# define O_NOCTTY 0400 /* Not fcntl. */
+#endif
+#ifndef O_TRUNC
+# define O_TRUNC 01000 /* Not fcntl. */
+#endif
+#ifndef O_APPEND
+# define O_APPEND 02000
+#endif
+#ifndef O_NONBLOCK
+# define O_NONBLOCK 04000
+#endif
+#ifndef O_NDELAY
+# define O_NDELAY O_NONBLOCK
+#endif
+#ifndef O_SYNC
+# define O_SYNC 04010000
+#endif
+#define O_FSYNC O_SYNC
+#ifndef O_ASYNC
+# define O_ASYNC 020000
+#endif
+#ifndef __O_LARGEFILE
+# define __O_LARGEFILE 0100000
+#endif
+
+#ifndef __O_DIRECTORY
+# define __O_DIRECTORY 0200000
+#endif
+#ifndef __O_NOFOLLOW
+# define __O_NOFOLLOW 0400000
+#endif
+#ifndef __O_CLOEXEC
+# define __O_CLOEXEC 02000000
+#endif
+#ifndef __O_DIRECT
+# define __O_DIRECT 040000
+#endif
+#ifndef __O_NOATIME
+# define __O_NOATIME 01000000
+#endif
+#ifndef __O_PATH
+# define __O_PATH 010000000
+#endif
+#ifndef __O_DSYNC
+# define __O_DSYNC 010000
+#endif
+#ifndef __O_TMPFILE
+# define __O_TMPFILE (020000000 | __O_DIRECTORY)
+#endif
+
+#ifndef F_GETLK
+# ifndef __USE_FILE_OFFSET64
+# define F_GETLK 5 /* Get record locking info. */
+# define F_SETLK 6 /* Set record locking info (non-blocking). */
+# define F_SETLKW 7 /* Set record locking info (blocking). */
+# else
+# define F_GETLK F_GETLK64 /* Get record locking info. */
+# define F_SETLK F_SETLK64 /* Set record locking info (non-blocking).*/
+# define F_SETLKW F_SETLKW64 /* Set record locking info (blocking). */
+# endif
+#endif
+#ifndef F_GETLK64
+# define F_GETLK64 12 /* Get record locking info. */
+# define F_SETLK64 13 /* Set record locking info (non-blocking). */
+# define F_SETLKW64 14 /* Set record locking info (blocking). */
+#endif
+
+/* open file description locks.
+
+ Usually record locks held by a process are released on *any* close and are
+ not inherited across a fork.
+
+ These cmd values will set locks that conflict with process-associated record
+ locks, but are "owned" by the opened file description, not the process.
+ This means that they are inherited across fork or clone with CLONE_FILES
+ like BSD (flock) locks, and they are only released automatically when the
+ last reference to the the file description against which they were acquired
+ is put. */
+#ifdef __USE_GNU
+# define F_OFD_GETLK 36
+# define F_OFD_SETLK 37
+# define F_OFD_SETLKW 38
+#endif
+
+#ifdef __USE_LARGEFILE64
+# define O_LARGEFILE __O_LARGEFILE
+#endif
+
+#ifdef __USE_XOPEN2K8
+# define O_DIRECTORY __O_DIRECTORY /* Must be a directory. */
+# define O_NOFOLLOW __O_NOFOLLOW /* Do not follow links. */
+# define O_CLOEXEC __O_CLOEXEC /* Set close_on_exec. */
+#endif
+
+#ifdef __USE_GNU
+# define O_DIRECT __O_DIRECT /* Direct disk access. */
+# define O_NOATIME __O_NOATIME /* Do not set atime. */
+# define O_PATH __O_PATH /* Resolve pathname but do not open file. */
+# define O_TMPFILE __O_TMPFILE /* Atomically create nameless file. */
+#endif
+
+/* For now, Linux has no separate synchronicity options for read
+ operations. We define O_RSYNC therefore as the same as O_SYNC
+ since this is a superset. */
+#if defined __USE_POSIX199309 || defined __USE_UNIX98
+# define O_DSYNC __O_DSYNC /* Synchronize data. */
+# if defined __O_RSYNC
+# define O_RSYNC __O_RSYNC /* Synchronize read operations. */
+# else
+# define O_RSYNC O_SYNC /* Synchronize read operations. */
+# endif
+#endif
+
+/* Values for the second argument to `fcntl'. */
+#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. */
+
+#ifndef __F_SETOWN
+# define __F_SETOWN 8
+# define __F_GETOWN 9
+#endif
+
+#if defined __USE_UNIX98 || defined __USE_XOPEN2K8
+# define F_SETOWN __F_SETOWN /* Get owner (process receiving SIGIO). */
+# define F_GETOWN __F_GETOWN /* Set owner (process receiving SIGIO). */
+#endif
+
+#ifndef __F_SETSIG
+# define __F_SETSIG 10 /* Set number of signal to be sent. */
+# define __F_GETSIG 11 /* Get number of signal to be sent. */
+#endif
+#ifndef __F_SETOWN_EX
+# define __F_SETOWN_EX 15 /* Get owner (thread receiving SIGIO). */
+# define __F_GETOWN_EX 16 /* Set owner (thread receiving SIGIO). */
+#endif
+
+#ifdef __USE_GNU
+# define F_SETSIG __F_SETSIG /* Set number of signal to be sent. */
+# define F_GETSIG __F_GETSIG /* Get number of signal to be sent. */
+# define F_SETOWN_EX __F_SETOWN_EX /* Get owner (thread receiving SIGIO). */
+# define F_GETOWN_EX __F_GETOWN_EX /* Set owner (thread receiving SIGIO). */
+#endif
+
+#ifdef __USE_GNU
+# define F_SETLEASE 1024 /* Set a lease. */
+# define F_GETLEASE 1025 /* Enquire what lease is active. */
+# define F_NOTIFY 1026 /* Request notifications on a directory. */
+# define F_SETPIPE_SZ 1031 /* Set pipe page size array. */
+# define F_GETPIPE_SZ 1032 /* Set pipe page size array. */
+# define F_ADD_SEALS 1033 /* Add seals to file. */
+# define F_GET_SEALS 1034 /* Get seals for file. */
+/* Set / get write life time hints. */
+# define F_GET_RW_HINT 1035
+# define F_SET_RW_HINT 1036
+# define F_GET_FILE_RW_HINT 1037
+# define F_SET_FILE_RW_HINT 1038
+#endif
+#ifdef __USE_XOPEN2K8
+# define F_DUPFD_CLOEXEC 1030 /* Duplicate file descriptor with
+ close-on-exit set. */
+#endif
+
+/* For F_[GET|SET]FD. */
+#define FD_CLOEXEC 1 /* Actually anything with low bit set goes */
+
+#ifndef F_RDLCK
+/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */
+# define F_RDLCK 0 /* Read lock. */
+# define F_WRLCK 1 /* Write lock. */
+# define F_UNLCK 2 /* Remove lock. */
+#endif
+
+
+/* For old implementation of BSD flock. */
+#ifndef F_EXLCK
+# define F_EXLCK 4 /* or 3 */
+# define F_SHLCK 8 /* or 4 */
+#endif
+
+#ifdef __USE_MISC
+/* Operations for BSD flock, also used by the kernel implementation. */
+# define LOCK_SH 1 /* Shared lock. */
+# define LOCK_EX 2 /* Exclusive lock. */
+# define LOCK_NB 4 /* Or'd with one of the above to prevent
+ blocking. */
+# define LOCK_UN 8 /* Remove lock. */
+#endif
+
+#ifdef __USE_GNU
+# define LOCK_MAND 32 /* This is a mandatory flock: */
+# define LOCK_READ 64 /* ... which allows concurrent read operations. */
+# define LOCK_WRITE 128 /* ... which allows concurrent write operations. */
+# define LOCK_RW 192 /* ... Which allows concurrent read & write operations. */
+#endif
+
+#ifdef __USE_GNU
+/* Types of directory notifications that may be requested with F_NOTIFY. */
+# define DN_ACCESS 0x00000001 /* File accessed. */
+# define DN_MODIFY 0x00000002 /* File modified. */
+# define DN_CREATE 0x00000004 /* File created. */
+# define DN_DELETE 0x00000008 /* File removed. */
+# define DN_RENAME 0x00000010 /* File renamed. */
+# define DN_ATTRIB 0x00000020 /* File changed attributes. */
+# define DN_MULTISHOT 0x80000000 /* Don't remove notifier. */
+#endif
+
+
+#ifdef __USE_GNU
+/* Owner types. */
+enum __pid_type
+ {
+ F_OWNER_TID = 0, /* Kernel thread. */
+ F_OWNER_PID, /* Process. */
+ F_OWNER_PGRP, /* Process group. */
+ F_OWNER_GID = F_OWNER_PGRP /* Alternative, obsolete name. */
+ };
+
+/* Structure to use with F_GETOWN_EX and F_SETOWN_EX. */
+struct f_owner_ex
+ {
+ enum __pid_type type; /* Owner type of ID. */
+ __pid_t pid; /* ID of owner. */
+ };
+#endif
+
+#ifdef __USE_GNU
+/* Types of seals. */
+# define F_SEAL_SEAL 0x0001 /* Prevent further seals from being set. */
+# define F_SEAL_SHRINK 0x0002 /* Prevent file from shrinking. */
+# define F_SEAL_GROW 0x0004 /* Prevent file from growing. */
+# define F_SEAL_WRITE 0x0008 /* Prevent writes. */
+#endif
+
+#ifdef __USE_GNU
+/* Hint values for F_{GET,SET}_RW_HINT. */
+# define RWF_WRITE_LIFE_NOT_SET 0
+# define RWH_WRITE_LIFE_NONE 1
+# define RWH_WRITE_LIFE_SHORT 2
+# define RWH_WRITE_LIFE_MEDIUM 3
+# define RWH_WRITE_LIFE_LONG 4
+# define RWH_WRITE_LIFE_EXTREME 5
+#endif
+
+/* Define some more compatibility macros to be backward compatible with
+ BSD systems which did not managed to hide these kernel macros. */
+#ifdef __USE_MISC
+# define FAPPEND O_APPEND
+# define FFSYNC O_FSYNC
+# define FASYNC O_ASYNC
+# define FNONBLOCK O_NONBLOCK
+# define FNDELAY O_NDELAY
+#endif /* Use misc. */
+
+#ifndef __POSIX_FADV_DONTNEED
+# define __POSIX_FADV_DONTNEED 4
+# define __POSIX_FADV_NOREUSE 5
+#endif
+/* Advise to `posix_fadvise'. */
+#ifdef __USE_XOPEN2K
+# define POSIX_FADV_NORMAL 0 /* No further special treatment. */
+# define POSIX_FADV_RANDOM 1 /* Expect random page references. */
+# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
+# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
+# define POSIX_FADV_DONTNEED __POSIX_FADV_DONTNEED /* Don't need these pages. */
+# define POSIX_FADV_NOREUSE __POSIX_FADV_NOREUSE /* Data will be accessed once. */
+#endif
+
+
+#ifdef __USE_GNU
+/* Flags for SYNC_FILE_RANGE. */
+# define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages
+ in the range before performing the
+ write. */
+# define SYNC_FILE_RANGE_WRITE 2 /* Initiate writeout of all those
+ dirty pages in the range which are
+ not presently under writeback. */
+# define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in
+ the range after performing the
+ write. */
+
+/* Flags for SPLICE and VMSPLICE. */
+# define SPLICE_F_MOVE 1 /* Move pages instead of copying. */
+# define SPLICE_F_NONBLOCK 2 /* Don't block on the pipe splicing
+ (but we may still block on the fd
+ we splice from/to). */
+# define SPLICE_F_MORE 4 /* Expect more data. */
+# define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */
+
+
+/* Flags for fallocate. */
+# include <linux/falloc.h>
+
+
+/* File handle structure. */
+struct file_handle
+{
+ unsigned int handle_bytes;
+ int handle_type;
+ /* File identifier. */
+ unsigned char f_handle[0];
+};
+
+/* Maximum handle size (for now). */
+# define MAX_HANDLE_SZ 128
+#endif
+
+/* Values for `*at' functions. */
+#ifdef __USE_ATFILE
+# define AT_FDCWD -100 /* Special value used to indicate
+ the *at functions should use the
+ current working directory. */
+# define AT_SYMLINK_NOFOLLOW 0x100 /* Do not follow symbolic links. */
+# define AT_REMOVEDIR 0x200 /* Remove directory instead of
+ unlinking file. */
+# define AT_SYMLINK_FOLLOW 0x400 /* Follow symbolic links. */
+# ifdef __USE_GNU
+# define AT_NO_AUTOMOUNT 0x800 /* Suppress terminal automount
+ traversal. */
+# define AT_EMPTY_PATH 0x1000 /* Allow empty relative pathname. */
+# define AT_STATX_SYNC_TYPE 0x6000
+# define AT_STATX_SYNC_AS_STAT 0x0000
+# define AT_STATX_FORCE_SYNC 0x2000
+# define AT_STATX_DONT_SYNC 0x4000
+# endif
+# define AT_EACCESS 0x200 /* Test access permitted for
+ effective IDs, not real IDs. */
+#endif
+
+__BEGIN_DECLS
+
+#ifdef __USE_GNU
+
+/* Provide kernel hint to read ahead. */
+extern __ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
+ __THROW;
+
+
+/* Selective file content synch'ing.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int sync_file_range (int __fd, __off64_t __offset, __off64_t __count,
+ unsigned int __flags);
+
+
+/* Splice address range into a pipe.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern __ssize_t vmsplice (int __fdout, const struct iovec *__iov,
+ size_t __count, unsigned int __flags);
+
+/* Splice two files together.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern __ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
+ __off64_t *__offout, size_t __len,
+ unsigned int __flags);
+
+/* In-kernel implementation of tee for pipe buffers.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern __ssize_t tee (int __fdin, int __fdout, size_t __len,
+ unsigned int __flags);
+
+/* Reserve storage for the data of the file associated with FD.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+# ifndef __USE_FILE_OFFSET64
+extern int fallocate (int __fd, int __mode, __off_t __offset, __off_t __len);
+# else
+# ifdef __REDIRECT
+extern int __REDIRECT (fallocate, (int __fd, int __mode, __off64_t __offset,
+ __off64_t __len),
+ fallocate64);
+# else
+# define fallocate fallocate64
+# endif
+# endif
+# ifdef __USE_LARGEFILE64
+extern int fallocate64 (int __fd, int __mode, __off64_t __offset,
+ __off64_t __len);
+# endif
+
+
+/* Map file name to file handle. */
+extern int name_to_handle_at (int __dfd, const char *__name,
+ struct file_handle *__handle, int *__mnt_id,
+ int __flags) __THROW;
+
+/* Open file using the file handle.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int open_by_handle_at (int __mountdirfd, struct file_handle *__handle,
+ int __flags);
+
+#endif /* use GNU */
+
+__END_DECLS
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