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unix: add Statx on Linux

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statx(2) allows to get enhanced file status information (not currently
available through the existing stat syscalls), lightweight stat,
heavyweight stat. The Statx_t type used by Statx has consistent field
sizes on all arches (with year-2038-capable timestamps) and is closer to
the BSD implementation of Stat_t.

See http://man7.org/linux/man-pages/man2/statx.2.html for details. The
syscall was added in Linux kernel 4.11.

See https://github.com/tklauser/statx for an example of how this
function and types can be used to report stat(1)-like file status
information.

Change-Id: I9e9642b5b42a393f94fd532453888ce9ba4f0003
Reviewed-on: https://go-review.googlesource.com/87555
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Tobias Klauser
2018-01-15 08:58:44 +00:00
committed by Tobias Klauser
parent 52ba35ddf9
commit fff93fa7cd
38 changed files with 952 additions and 37 deletions
Download Patch File Download Diff File Expand all files Collapse all files
unix/zerrors_linux_mips.go
+21
View File
@@ -1641,6 +1641,27 @@ const (
SPLICE_F_MORE = 0x4
SPLICE_F_MOVE = 0x1
SPLICE_F_NONBLOCK = 0x2
STATX_ALL = 0xfff
STATX_ATIME = 0x20
STATX_ATTR_APPEND = 0x20
STATX_ATTR_AUTOMOUNT = 0x1000
STATX_ATTR_COMPRESSED = 0x4
STATX_ATTR_ENCRYPTED = 0x800
STATX_ATTR_IMMUTABLE = 0x10
STATX_ATTR_NODUMP = 0x40
STATX_BASIC_STATS = 0x7ff
STATX_BLOCKS = 0x400
STATX_BTIME = 0x800
STATX_CTIME = 0x80
STATX_GID = 0x10
STATX_INO = 0x100
STATX_MODE = 0x2
STATX_MTIME = 0x40
STATX_NLINK = 0x4
STATX_SIZE = 0x200
STATX_TYPE = 0x1
STATX_UID = 0x8
STATX__RESERVED = 0x80000000
S_BLKSIZE = 0x200
S_IEXEC = 0x40
S_IFBLK = 0x6000