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Add the statx function

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This commit is contained in:
Florian Weimer 2018-07-10 16:14:45 +02:00
parent b444e8f7cc
commit fd70af4552
44 changed files with 490 additions and 1 deletions
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26
ChangeLog
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@ -1,3 +1,29 @@
2018-07-10 Florian Weimer <fweimer@redhat.com>
* io/Makefile (routines): Add statx.
(tests-internal): Add tst-statx.
* io/Versions (GLIBC_2.28): Export statx.
* io/bits/statx.h: New file.
* io/sys/stat.h [__USE_GNU]: Include it.
* io/fcntl.h [__USE_GNU] (AT_STATX_SYNC_TYPE)
(AT_STATX_SYNC_AS_STAT, AT_STATX_FORCE_SYNC, AT_STATX_DONT_SYNC):
Define.
* io/statx.c: New file.
* io/statx_generic.: Likewise.
* io/tst-statx.: Likewise.
* include/bits/statx.h: Likewise.
* sysdeps/unix/sysv/linux/kernel-features.h
[__LINUX_KERNEL_VERSION >= 0x040B00] (__ASSUME_STATX): Define.
* sysdeps/unix/sysv/linux/alpha/kernel-features.h
[__LINUX_KERNEL_VERSION < 0x040D00] (__ASSUME_STATX): Undefine.
* sysdeps/unix/sysv/linux/ia64/kernel-features.h (__ASSUME_STATX):
Undefine.
* sysdeps/unix/sysv/linux/microblaze/kernel-features.h
[__LINUX_KERNEL_VERSION < 0x040C00] (__ASSUME_STATX): Undefine.
* sysdeps/unix/sysv/linux/statx.c: New file.
* manual/filesys.texi: Note that statx is undocumented.
* sysdeps/**/libc*.abilist: Update.
2018-07-10 Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sysdeps/unix/sysv/linux/tst-ofdlocks-compat.c: Add a comment about

5
NEWS
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@ -55,6 +55,11 @@ Major new features:
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded

1
include/bits/statx.h Normal file
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@ -0,0 +1 @@
#include <io/bits/statx.h>

5
io/Makefile
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@ -31,7 +31,7 @@ routines := \
utime \
mkfifo mkfifoat \
stat fstat lstat stat64 fstat64 lstat64 fstatat fstatat64 \
xstat fxstat lxstat xstat64 fxstat64 lxstat64 \
xstat fxstat lxstat xstat64 fxstat64 lxstat64 statx \
mknod mknodat xmknod xmknodat \
fxstatat fxstatat64 \
statfs fstatfs statfs64 fstatfs64 \
@ -78,6 +78,9 @@ tests := test-utime test-stat test-stat2 test-lfs tst-getcwd \
tests-static += tst-copy_file_range-compat
tests-internal += tst-copy_file_range-compat
# Likewise for statx, but we do not need static linking here.
tests-internal += tst-statx
ifeq ($(run-built-tests),yes)
tests-special += $(objpfx)ftwtest.out
endif

1
io/Versions
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@ -130,6 +130,7 @@ libc {
}
GLIBC_2.28 {
fcntl64;
statx;
}
GLIBC_PRIVATE {
__libc_fcntl64;

91
io/bits/statx.h Normal file
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@ -0,0 +1,91 @@
/* statx-related definitions and declarations.
Copyright (C) 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/>. */
/* This interface is based on <linux/stat.h> in Linux. */
#ifndef _SYS_STAT_H
# error Never include <bits/stat.x.h> directly, include <sys/stat.h> instead.
#endif
struct statx_timestamp
{
__int64_t tv_sec;
__uint32_t tv_nsec;
__int32_t __statx_timestamp_pad1[1];
};
/* Warning: The kernel may add additional fields to this struct in the
future. Only use this struct for calling the statx function, not
for storing data. (Expansion will be controlled by the mask
argument of the statx function.) */
struct statx
{
__uint32_t stx_mask;
__uint32_t stx_blksize;
__uint64_t stx_attributes;
__uint32_t stx_nlink;
__uint32_t stx_uid;
__uint32_t stx_gid;
__uint16_t stx_mode;
__uint16_t __statx_pad1[1];
__uint64_t stx_ino;
__uint64_t stx_size;
__uint64_t stx_blocks;
__uint64_t stx_attributes_mask;
struct statx_timestamp stx_atime;
struct statx_timestamp stx_btime;
struct statx_timestamp stx_ctime;
struct statx_timestamp stx_mtime;
__uint32_t stx_rdev_major;
__uint32_t stx_rdev_minor;
__uint32_t stx_dev_major;
__uint32_t stx_dev_minor;
__uint64_t __statx_pad2[14];
};
#define STATX_TYPE 0x0001U
#define STATX_MODE 0x0002U
#define STATX_NLINK 0x0004U
#define STATX_UID 0x0008U
#define STATX_GID 0x0010U
#define STATX_ATIME 0x0020U
#define STATX_MTIME 0x0040U
#define STATX_CTIME 0x0080U
#define STATX_INO 0x0100U
#define STATX_SIZE 0x0200U
#define STATX_BLOCKS 0x0400U
#define STATX_BASIC_STATS 0x07ffU
#define STATX_ALL 0x0fffU
#define STATX_BTIME 0x0800U
#define STATX__RESERVED 0x80000000U
#define STATX_ATTR_COMPRESSED 0x0004
#define STATX_ATTR_IMMUTABLE 0x0010
#define STATX_ATTR_APPEND 0x0020
#define STATX_ATTR_NODUMP 0x0040
#define STATX_ATTR_ENCRYPTED 0x0800
#define STATX_ATTR_AUTOMOUNT 0x1000
__BEGIN_DECLS
/* Fill *BUF with information about PATH in DIRFD. */
int statx (int __dirfd, const char *__restrict __path, int __flags,
unsigned int __mask, struct statx *__restrict __buf)
__THROW __nonnull ((2, 5));
__END_DECLS

4
io/fcntl.h
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@ -157,6 +157,10 @@ typedef __pid_t pid_t;
# 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. */

29
io/statx.c Normal file
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@ -0,0 +1,29 @@
/* Generic statx implementation.
Copyright (C) 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/>. */
#include <errno.h>
#include <sys/stat.h>
#include "statx_generic.c"
int
statx (int fd, const char *path, int flags,
unsigned int mask, struct statx *buf)
{
return statx_generic (fd, path, flags, mask, buf);
}

81
io/statx_generic.c Normal file
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@ -0,0 +1,81 @@
/* Generic implementation of statx based on fstatat64.
Copyright (C) 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/>. */
#include <errno.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/sysmacros.h>
static inline struct statx_timestamp
statx_convert_timestamp (struct timespec tv)
{
return (struct statx_timestamp) { tv.tv_sec, tv.tv_nsec };
}
/* Approximate emulation of statx. This will always fill in
POSIX-mandated attributes even if the underlying file system does
not actually support it (for example, GID and UID on file systems
without UNIX-style permissions). */
static __attribute__ ((unused)) int
statx_generic (int fd, const char *path, int flags,
unsigned int mask, struct statx *buf)
{
/* Flags which need to be cleared before passing them to
fstatat64. */
static const int clear_flags = AT_STATX_SYNC_AS_STAT;
/* Flags supported by our emulation. */
static const int supported_flags
= AT_EMPTY_PATH | AT_NO_AUTOMOUNT | AT_SYMLINK_NOFOLLOW | clear_flags;
if (__glibc_unlikely ((flags & ~supported_flags) != 0))
{
__set_errno (EINVAL);
return -1;
}
struct stat64 st;
int ret = __fstatat64 (fd, path, &st, flags & ~clear_flags);
if (ret != 0)
return ret;
/* The interface is defined in such a way that unused (padding)
fields have to be cleared. STATX_BASIC_STATS corresponds to the
data which is available via fstatat64. */
*buf = (struct statx)
{
.stx_mask = STATX_BASIC_STATS,
.stx_blksize = st.st_blksize,
.stx_nlink = st.st_nlink,
.stx_uid = st.st_uid,
.stx_gid = st.st_gid,
.stx_mode = st.st_mode,
.stx_ino = st.st_ino,
.stx_size = st.st_size,
.stx_blocks = st.st_blocks,
.stx_atime = statx_convert_timestamp (st.st_atim),
.stx_ctime = statx_convert_timestamp (st.st_ctim),
.stx_mtime = statx_convert_timestamp (st.st_mtim),
.stx_rdev_major = major (st.st_rdev),
.stx_rdev_minor = minor (st.st_rdev),
.stx_dev_major = major (st.st_dev),
.stx_dev_minor = minor (st.st_dev),
};
return 0;
}

4
io/sys/stat.h
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@ -442,6 +442,10 @@ extern int __xmknodat (int __ver, int __fd, const char *__path,
__mode_t __mode, __dev_t *__dev)
__THROW __nonnull ((3, 5));
#ifdef __USE_GNU
# include <bits/statx.h>
#endif
#ifdef __USE_EXTERN_INLINES
/* Inlined versions of the real stat and mknod functions. */

157
io/tst-statx.c Normal file
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@ -0,0 +1,157 @@
/* Basic test of statx system call.
Copyright (C) 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/>. */
#include <errno.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <support/check.h>
#include <support/support.h>
#include <support/temp_file.h>
#include <support/xunistd.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/sysmacros.h>
#include <unistd.h>
/* Ensure that the types have the kernel-expected layout. */
_Static_assert (sizeof (struct statx_timestamp) == 16, "statx_timestamp size");
_Static_assert (sizeof (struct statx) == 256, "statx size");
_Static_assert (offsetof (struct statx, stx_nlink) == 16, "statx nlink");
_Static_assert (offsetof (struct statx, stx_ino) == 32, "statx ino");
_Static_assert (offsetof (struct statx, stx_atime) == 64, "statx atime");
_Static_assert (offsetof (struct statx, stx_rdev_major) == 128, "statx rdev");
_Static_assert (offsetof (struct statx, __statx_pad2) == 144, "statx pad2");
#include "statx_generic.c"
typedef int (*statx_function) (int, const char *, int, unsigned int,
struct statx *);
/* Return true if we have a real implementation of statx. */
static bool
kernel_supports_statx (void)
{
#ifdef __NR_statx
struct statx buf;
return syscall (__NR_statx, 0, "", AT_EMPTY_PATH, 0, &buf) == 0
|| errno != ENOSYS;
#else
return false;
#endif
}
/* Tests which apply to both implementations. */
static void
both_implementations_tests (statx_function impl, const char *path, int fd)
{
uint64_t ino;
{
struct statx buf = { 0, };
TEST_COMPARE (statx (fd, "", AT_EMPTY_PATH, STATX_BASIC_STATS, &buf), 0);
TEST_COMPARE (buf.stx_size, 3);
ino = buf.stx_ino;
}
{
struct statx buf = { 0, };
TEST_COMPARE (statx (AT_FDCWD, path, 0, STATX_BASIC_STATS, &buf), 0);
TEST_COMPARE (buf.stx_size, 3);
TEST_COMPARE (buf.stx_ino, ino);
}
{
struct statx stx = { 0, };
TEST_COMPARE (statx (fd, "", AT_EMPTY_PATH, STATX_BASIC_STATS, &stx), 0);
struct stat64 st;
xfstat (fd, &st);
TEST_COMPARE (stx.stx_mode, st.st_mode);
TEST_COMPARE (stx.stx_dev_major, major (st.st_dev));
TEST_COMPARE (stx.stx_dev_minor, minor (st.st_dev));
}
{
struct statx stx = { 0, };
TEST_COMPARE (statx (AT_FDCWD, "/dev/null", 0, STATX_BASIC_STATS, &stx),
0);
struct stat64 st;
xstat ("/dev/null", &st);
TEST_COMPARE (stx.stx_mode, st.st_mode);
TEST_COMPARE (stx.stx_dev_major, major (st.st_dev));
TEST_COMPARE (stx.stx_dev_minor, minor (st.st_dev));
TEST_COMPARE (stx.stx_rdev_major, major (st.st_rdev));
TEST_COMPARE (stx.stx_rdev_minor, minor (st.st_rdev));
}
}
/* Tests which apply only to the non-kernel (generic)
implementation. */
static void
non_kernel_tests (statx_function impl, int fd)
{
/* The non-kernel implementation must always fail for explicit sync
flags. */
struct statx buf;
errno = 0;
TEST_COMPARE (impl (fd, "", AT_EMPTY_PATH | AT_STATX_FORCE_SYNC,
STATX_BASIC_STATS, &buf), -1);
TEST_COMPARE (errno, EINVAL);
errno = 0;
TEST_COMPARE (impl (fd, "", AT_EMPTY_PATH | AT_STATX_DONT_SYNC,
STATX_BASIC_STATS, &buf), -1);
TEST_COMPARE (errno, EINVAL);
}
static int
do_test (void)
{
char *path;
int fd = create_temp_file ("tst-statx-", &path);
TEST_VERIFY_EXIT (fd >= 0);
support_write_file_string (path, "abc");
both_implementations_tests (&statx, path, fd);
both_implementations_tests (&statx_generic, path, fd);
if (kernel_supports_statx ())
{
puts ("info: kernel supports statx");
struct statx buf;
buf.stx_size = 0;
TEST_COMPARE (statx (fd, "", AT_EMPTY_PATH | AT_STATX_FORCE_SYNC,
STATX_BASIC_STATS, &buf),
0);
TEST_COMPARE (buf.stx_size, 3);
buf.stx_size = 0;
TEST_COMPARE (statx (fd, "", AT_EMPTY_PATH | AT_STATX_DONT_SYNC,
STATX_BASIC_STATS, &buf),
0);
TEST_COMPARE (buf.stx_size, 3);
}
else
{
puts ("info: kernel does not support statx");
non_kernel_tests (&statx, fd);
}
non_kernel_tests (&statx_generic, fd);
xclose (fd);
free (path);
return 0;
}
#include <support/test-driver.c>

1
manual/filesys.texi
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@ -3545,6 +3545,7 @@ The @code{mkdtemp} function comes from OpenBSD.
@c fchownat
@c futimesat
@c fstatat (there's a commented-out safety assessment for this one)
@c statx
@c mkdirat
@c mkfifoat
@c name_to_handle_at

1
sysdeps/mach/hurd/i386/libc.abilist
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@ -2035,6 +2035,7 @@ GLIBC_2.27 wcstof64x F
GLIBC_2.27 wcstof64x_l F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F
GLIBC_2.3 __ctype_b_loc F
GLIBC_2.3 __ctype_tolower_loc F
GLIBC_2.3 __ctype_toupper_loc F

1
sysdeps/unix/sysv/linux/aarch64/libc.abilist
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@ -2133,3 +2133,4 @@ GLIBC_2.27 wcstof64x F
GLIBC_2.27 wcstof64x_l F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F

5
sysdeps/unix/sysv/linux/alpha/kernel-features.h
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@ -45,4 +45,9 @@
# undef __ASSUME_EXECVEAT
#endif
/* Support for statx was added in kernel 4.13. */
#if __LINUX_KERNEL_VERSION < 0x040D00
# undef __ASSUME_STATX
#endif
#endif /* _KERNEL_FEATURES_H */

1
sysdeps/unix/sysv/linux/alpha/libc.abilist
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@ -2028,6 +2028,7 @@ GLIBC_2.27 wcstof64x F
GLIBC_2.27 wcstof64x_l F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F
GLIBC_2.3 __ctype_b_loc F
GLIBC_2.3 __ctype_tolower_loc F
GLIBC_2.3 __ctype_toupper_loc F

1
sysdeps/unix/sysv/linux/arm/libc.abilist
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@ -118,6 +118,7 @@ GLIBC_2.27 wcstof64_l F
GLIBC_2.28 fcntl F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F
GLIBC_2.4 _Exit F
GLIBC_2.4 _IO_2_1_stderr_ D 0xa0
GLIBC_2.4 _IO_2_1_stdin_ D 0xa0

1
sysdeps/unix/sysv/linux/hppa/libc.abilist
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@ -1875,6 +1875,7 @@ GLIBC_2.27 wcstof64_l F
GLIBC_2.28 fcntl F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F
GLIBC_2.3 __ctype_b_loc F
GLIBC_2.3 __ctype_tolower_loc F
GLIBC_2.3 __ctype_toupper_loc F

1
sysdeps/unix/sysv/linux/i386/libc.abilist
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@ -2040,6 +2040,7 @@ GLIBC_2.27 wcstof64x_l F
GLIBC_2.28 fcntl F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F
GLIBC_2.3 __ctype_b_loc F
GLIBC_2.3 __ctype_tolower_loc F
GLIBC_2.3 __ctype_toupper_loc F

3
sysdeps/unix/sysv/linux/ia64/kernel-features.h
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@ -26,6 +26,9 @@
#define __ASSUME_SEND_SYSCALL 1
#define __ASSUME_ACCEPT4_SYSCALL 1
/* No statx system call on ia64 yet. */
#undef __ASSUME_STATX
#undef __ASSUME_CLONE_DEFAULT
#define __ASSUME_CLONE2

1
sysdeps/unix/sysv/linux/ia64/libc.abilist
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@ -1909,6 +1909,7 @@ GLIBC_2.27 wcstof64x F
GLIBC_2.27 wcstof64x_l F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F
GLIBC_2.3 __ctype_b_loc F
GLIBC_2.3 __ctype_tolower_loc F
GLIBC_2.3 __ctype_toupper_loc F

5
sysdeps/unix/sysv/linux/kernel-features.h
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@ -115,6 +115,11 @@
# define __ASSUME_COPY_FILE_RANGE 1
#endif
/* Support for statx was added in kernel 4.11. */
#if __LINUX_KERNEL_VERSION >= 0x040B00
# define __ASSUME_STATX 1
#endif
/* Support for clone call used on fork. The signature varies across the
architectures with current 4 different variants:

1
sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
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@ -119,6 +119,7 @@ GLIBC_2.27 wcstof64_l F
GLIBC_2.28 fcntl F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F
GLIBC_2.4 _Exit F
GLIBC_2.4 _IO_2_1_stderr_ D 0x98
GLIBC_2.4 _IO_2_1_stdin_ D 0x98

1
sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
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@ -1984,6 +1984,7 @@ GLIBC_2.27 wcstof64_l F
GLIBC_2.28 fcntl F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F
GLIBC_2.3 __ctype_b_loc F
GLIBC_2.3 __ctype_tolower_loc F
GLIBC_2.3 __ctype_toupper_loc F

5
sysdeps/unix/sysv/linux/microblaze/kernel-features.h
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@ -63,5 +63,10 @@
# undef __ASSUME_COPY_FILE_RANGE
#endif
/* Support for statx was added in kernel 4.12. */
#if __LINUX_KERNEL_VERSION < 0X040C00
# undef __ASSUME_STATX
#endif
#undef __ASSUME_CLONE_DEFAULT
#define __ASSUME_CLONE_BACKWARDS3

1
sysdeps/unix/sysv/linux/microblaze/libc.abilist
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@ -2125,3 +2125,4 @@ GLIBC_2.27 wcstof64_l F
GLIBC_2.28 fcntl F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F

1
sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
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@ -1962,6 +1962,7 @@ GLIBC_2.27 wcstof64_l F
GLIBC_2.28 fcntl F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F
GLIBC_2.3 __ctype_b_loc F
GLIBC_2.3 __ctype_tolower_loc F
GLIBC_2.3 __ctype_toupper_loc F

1
sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
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@ -1960,6 +1960,7 @@ GLIBC_2.27 wcstof64_l F
GLIBC_2.28 fcntl F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F
GLIBC_2.3 __ctype_b_loc F
GLIBC_2.3 __ctype_tolower_loc F
GLIBC_2.3 __ctype_toupper_loc F

1
sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
View File

@ -1968,6 +1968,7 @@ GLIBC_2.27 wcstof64x_l F
GLIBC_2.28 fcntl F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F
GLIBC_2.3 __ctype_b_loc F
GLIBC_2.3 __ctype_tolower_loc F
GLIBC_2.3 __ctype_toupper_loc F

1
sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
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@ -1963,6 +1963,7 @@ GLIBC_2.27 wcstof64x F
GLIBC_2.27 wcstof64x_l F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F
GLIBC_2.3 __ctype_b_loc F
GLIBC_2.3 __ctype_tolower_loc F
GLIBC_2.3 __ctype_toupper_loc F

1
sysdeps/unix/sysv/linux/nios2/libc.abilist
View File

@ -2166,3 +2166,4 @@ GLIBC_2.27 wcstof64_l F
GLIBC_2.28 fcntl F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F

1
sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
View File

@ -1988,6 +1988,7 @@ GLIBC_2.27 wcstof64_l F
GLIBC_2.28 fcntl F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F
GLIBC_2.3 __ctype_b_loc F
GLIBC_2.3 __ctype_tolower_loc F
GLIBC_2.3 __ctype_toupper_loc F

1
sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
View File

@ -1992,6 +1992,7 @@ GLIBC_2.27 wcstof64_l F
GLIBC_2.28 fcntl F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F
GLIBC_2.3 __ctype_b_loc F
GLIBC_2.3 __ctype_tolower_loc F
GLIBC_2.3 __ctype_toupper_loc F

1
sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist
View File

@ -2223,3 +2223,4 @@ GLIBC_2.27 wcstof64x F
GLIBC_2.27 wcstof64x_l F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F

1
sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist
View File

@ -118,6 +118,7 @@ GLIBC_2.27 wcstof64 F
GLIBC_2.27 wcstof64_l F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F
GLIBC_2.3 _Exit F
GLIBC_2.3 _IO_2_1_stderr_ D 0xe0
GLIBC_2.3 _IO_2_1_stdin_ D 0xe0

1
sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
View File

@ -2095,3 +2095,4 @@ GLIBC_2.27 xprt_register F
GLIBC_2.27 xprt_unregister F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F

1
sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
View File

@ -1997,6 +1997,7 @@ GLIBC_2.27 wcstof64x_l F
GLIBC_2.28 fcntl F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F
GLIBC_2.3 __ctype_b_loc F
GLIBC_2.3 __ctype_tolower_loc F
GLIBC_2.3 __ctype_toupper_loc F

1
sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
View File

@ -1902,6 +1902,7 @@ GLIBC_2.27 wcstof64x F
GLIBC_2.27 wcstof64x_l F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F
GLIBC_2.3 __ctype_b_loc F
GLIBC_2.3 __ctype_tolower_loc F
GLIBC_2.3 __ctype_toupper_loc F

1
sysdeps/unix/sysv/linux/sh/libc.abilist
View File

@ -1879,6 +1879,7 @@ GLIBC_2.27 wcstof64_l F
GLIBC_2.28 fcntl F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F
GLIBC_2.3 __ctype_b_loc F
GLIBC_2.3 __ctype_tolower_loc F
GLIBC_2.3 __ctype_toupper_loc F

1
sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
View File

@ -1991,6 +1991,7 @@ GLIBC_2.27 wcstof64x_l F
GLIBC_2.28 fcntl F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F
GLIBC_2.3 __ctype_b_loc F
GLIBC_2.3 __ctype_tolower_loc F
GLIBC_2.3 __ctype_toupper_loc F

1
sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
View File

@ -1932,6 +1932,7 @@ GLIBC_2.27 wcstof64x F
GLIBC_2.27 wcstof64x_l F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F
GLIBC_2.3 __ctype_b_loc F
GLIBC_2.3 __ctype_tolower_loc F
GLIBC_2.3 __ctype_toupper_loc F

41
sysdeps/unix/sysv/linux/statx.c Normal file
View File

@ -0,0 +1,41 @@
/* Linux statx implementation.
Copyright (C) 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/>. */
#include <errno.h>
#include <sys/stat.h>
#include "statx_generic.c"
int
statx (int fd, const char *path, int flags,
unsigned int mask, struct statx *buf)
{
#ifdef __NR_statx
int ret = INLINE_SYSCALL_CALL (statx, fd, path, flags, mask, buf);
# ifdef __ASSUME_STATX
return ret;
# else
if (ret == 0 || errno != ENOSYS)
/* Preserve non-error/non-ENOSYS return values. */
return ret;
# endif
#endif
#ifndef __ASSUME_STATX
return statx_generic (fd, path, flags, mask, buf);
#endif
}

1
sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
View File

@ -1890,6 +1890,7 @@ GLIBC_2.27 wcstof64x F
GLIBC_2.27 wcstof64x_l F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F
GLIBC_2.3 __ctype_b_loc F
GLIBC_2.3 __ctype_tolower_loc F
GLIBC_2.3 __ctype_toupper_loc F

1
sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
View File

@ -2141,3 +2141,4 @@ GLIBC_2.27 wcstof64x F
GLIBC_2.27 wcstof64x_l F
GLIBC_2.28 fcntl64 F
GLIBC_2.28 renameat2 F
GLIBC_2.28 statx F