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258 lines
5.7 KiB
258 lines
5.7 KiB
//SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Referred from linux kernel -github/torvalds/linux/include/uapi/linux/fcntl.h
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* Copyright (c) Zilogic Systems Pvt. Ltd., 2018
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* Email: code@zilogic.com
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*/
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#ifndef LAPI_STAT_H
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#define LAPI_STAT_H
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#include <stdint.h>
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#include <unistd.h>
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#include "lapi/syscalls.h"
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/*
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* Timestamp structure for the timestamps in struct statx.
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*
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* tv_sec holds the number of seconds before (negative) or after (positive)
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* 00:00:00 1st January 1970 UTC.
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*
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* tv_nsec holds a number of nanoseconds (0..999,999,999) after the tv_sec time.
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*
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* __reserved is held in case we need a yet finer resolution.
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*/
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#if defined(HAVE_STRUCT_STATX_TIMESTAMP)
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#include <sys/stat.h>
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#else
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struct statx_timestamp {
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int64_t tv_sec;
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uint32_t tv_nsec;
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int32_t __reserved;
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};
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#endif
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/*
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* Structures for the extended file attribute retrieval system call
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* (statx()).
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*
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* The caller passes a mask of what they're specifically interested in as a
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* parameter to statx(). What statx() actually got will be indicated in
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* st_mask upon return.
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*
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* For each bit in the mask argument:
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*
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* - if the datum is not supported:
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*
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* - the bit will be cleared, and
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*
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* - the datum will be set to an appropriate fabricated value if one is
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* available (eg. CIFS can take a default uid and gid), otherwise
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*
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* - the field will be cleared;
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*
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* - otherwise, if explicitly requested:
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*
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* - the datum will be synchronised to the server if AT_STATX_FORCE_SYNC is
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* set or if the datum is considered out of date, and
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*
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* - the field will be filled in and the bit will be set;
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*
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* - otherwise, if not requested, but available in approximate form without any
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* effort, it will be filled in anyway, and the bit will be set upon return
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* (it might not be up to date, however, and no attempt will be made to
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* synchronise the internal state first);
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*
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* - otherwise the field and the bit will be cleared before returning.
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*
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* Items in STATX_BASIC_STATS may be marked unavailable on return, but they
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* will have values installed for compatibility purposes so that stat() and
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* co. can be emulated in userspace.
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*/
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#if defined(HAVE_STRUCT_STATX)
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#include <sys/stat.h>
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#else
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struct statx {
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/* 0x00 */
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uint32_t stx_mask;
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uint32_t stx_blksize;
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uint64_t stx_attributes;
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/* 0x10 */
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uint32_t stx_nlink;
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uint32_t stx_uid;
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uint32_t stx_gid;
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uint16_t stx_mode;
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uint16_t __spare0[1];
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/* 0x20 */
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uint64_t stx_ino;
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uint64_t stx_size;
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uint64_t stx_blocks;
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uint64_t stx_attributes_mask;
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/* 0x40 */
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const struct statx_timestamp stx_atime;
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const struct statx_timestamp stx_btime;
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const struct statx_timestamp stx_ctime;
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const struct statx_timestamp stx_mtime;
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/* 0x80 */
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uint32_t stx_rdev_major;
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uint32_t stx_rdev_minor;
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uint32_t stx_dev_major;
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uint32_t stx_dev_minor;
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/* 0x90 */
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uint64_t __spare2[14];
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/* 0x100 */
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};
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#endif
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#if !defined(HAVE_STATX)
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/*
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* statx: wrapper function of statx
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*
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* Returns: It returns status of statx syscall
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*/
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static inline int statx(int dirfd, const char *pathname, unsigned int flags,
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unsigned int mask, struct statx *statxbuf)
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{
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return tst_syscall(__NR_statx, dirfd, pathname, flags, mask, statxbuf);
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}
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#endif
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/*
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* Flags to be stx_mask
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*
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* Query request/result mask for statx() and struct statx::stx_mask.
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*
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* These bits should be set in the mask argument of statx() to request
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* particular items when calling statx().
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*/
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#ifndef STATX_TYPE
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# define STATX_TYPE 0x00000001U
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#endif
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#ifndef STATX_MODE
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# define STATX_MODE 0x00000002U
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#endif
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#ifndef STATX_NLINK
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# define STATX_NLINK 0x00000004U
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#endif
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#ifndef STATX_UID
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# define STATX_UID 0x00000008U
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#endif
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#ifndef STATX_GID
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# define STATX_GID 0x00000010U
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#endif
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#ifndef STATX_ATIME
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# define STATX_ATIME 0x00000020U
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#endif
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#ifndef STATX_MTIME
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# define STATX_MTIME 0x00000040U
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#endif
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#ifndef STATX_CTIME
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# define STATX_CTIME 0x00000080U
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#endif
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#ifndef STATX_INO
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# define STATX_INO 0x00000100U
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#endif
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#ifndef STATX_SIZE
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# define STATX_SIZE 0x00000200U
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#endif
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#ifndef STATX_BLOCKS
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# define STATX_BLOCKS 0x00000400U
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#endif
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#ifndef STATX_BASIC_STATS
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# define STATX_BASIC_STATS 0x000007ffU
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#endif
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#ifndef STATX_BTIME
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# define STATX_BTIME 0x00000800U
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#endif
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#ifndef STATX_ALL
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# define STATX_ALL 0x00000fffU
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#endif
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#ifndef STATX__RESERVED
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# define STATX__RESERVED 0x80000000U
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#endif
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/*
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* Attributes to be found in stx_attributes and masked in stx_attributes_mask.
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*
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* These give information about the features or the state of a file that might
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* be of use to ordinary userspace programs such as GUIs or ls rather than
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* specialised tools.
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*
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* Note that the flags marked [I] correspond to generic FS_IOC_FLAGS
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* semantically. Where possible, the numerical value is picked to correspond
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* also.
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*/
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#ifndef STATX_ATTR_COMPRESSED
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# define STATX_ATTR_COMPRESSED 0x00000004
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#endif
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#ifndef STATX_ATTR_IMMUTABLE
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# define STATX_ATTR_IMMUTABLE 0x00000010
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#endif
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#ifndef STATX_ATTR_APPEND
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# define STATX_ATTR_APPEND 0x00000020
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#endif
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#ifndef STATX_ATTR_NODUMP
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# define STATX_ATTR_NODUMP 0x00000040
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#endif
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#ifndef STATX_ATTR_ENCRYPTED
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# define STATX_ATTR_ENCRYPTED 0x00000800
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#endif
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#ifndef STATX_ATTR_AUTOMOUNT
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# define STATX_ATTR_AUTOMOUNT 0x00001000
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#endif
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#ifndef AT_SYMLINK_NOFOLLOW
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# define AT_SYMLINK_NOFOLLOW 0x100
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#endif
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#ifndef AT_REMOVEDIR
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# define AT_REMOVEDIR 0x200
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#endif
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#ifndef AT_SYMLINK_FOLLOW
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# define AT_SYMLINK_FOLLOW 0x400
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#endif
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#ifndef AT_NO_AUTOMOUNT
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# define AT_NO_AUTOMOUNT 0x800
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#endif
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#ifndef AT_EMPTY_PATH
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# define AT_EMPTY_PATH 0x1000
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#endif
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#ifndef AT_STATX_SYNC_TYPE
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# define AT_STATX_SYNC_TYPE 0x6000
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#endif
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#ifndef AT_STATX_SYNC_AS_STAT
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# define AT_STATX_SYNC_AS_STAT 0x0000
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#endif
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#ifndef AT_STATX_FORCE_SYNC
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# define AT_STATX_FORCE_SYNC 0x2000
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#endif
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#ifndef AT_STATX_DONT_SYNC
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# define AT_STATX_DONT_SYNC 0x4000
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#endif
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#endif
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