have adverse impact. It is incompatible with EDNS0 usage and DNSSEC
validation by applications.
-* On Linux, the fsopen function has been added. It is part of the new Linux
- kernel mount APIs that allow applications to more flexibly configure and
- operate on filesystem mounts. The new mount APIs are specifically designed
- to work with namespaces.
+* On Linux, the fsopen and fsmount functions have been added. They are part
+ of the new Linux kernel mount APIs that allow applications to more flexibly
+ configure and operate on filesystem mounts. The new mount APIs are
+ specifically designed to work with namespaces.
Deprecated and removed features, and other changes affecting compatibility:
epoll_pwait2;
}
GLIBC_2.36 {
+ fsmount;
fsopen;
pidfd_open;
pidfd_getfd;
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 write F
GLIBC_2.35 writev F
GLIBC_2.35 wscanf F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
/* fsopen flags. */
#define FSOPEN_CLOEXEC 0x00000001
+/* fsmount flags. */
+#define FSMOUNT_CLOEXEC 0x00000001
+
+/* mount attributes used on fsmount. */
+#define MOUNT_ATTR_RDONLY 0x00000001 /* Mount read-only. */
+#define MOUNT_ATTR_NOSUID 0x00000002 /* Ignore suid and sgid bits. */
+#define MOUNT_ATTR_NODEV 0x00000004 /* Disallow access to device special files. */
+#define MOUNT_ATTR_NOEXEC 0x00000008 /* Disallow program execution. */
+#define MOUNT_ATTR__ATIME 0x00000070 /* Setting on how atime should be updated. */
+#define MOUNT_ATTR_RELATIME 0x00000000 /* - Update atime relative to mtime/ctime. */
+#define MOUNT_ATTR_NOATIME 0x00000010 /* - Do not update access times. */
+#define MOUNT_ATTR_STRICTATIME 0x00000020 /* - Always perform atime updates */
+#define MOUNT_ATTR_NODIRATIME 0x00000080 /* Do not update directory access times. */
+#define MOUNT_ATTR_IDMAP 0x00100000 /* Idmap mount to @userns_fd in struct mount_attr. */
+#define MOUNT_ATTR_NOSYMFOLLOW 0x00200000 /* Do not follow symlinks. */
+
__BEGIN_DECLS
mouting. */
extern int fsopen (const char *__fs_name, unsigned int __flags) __THROW;
+/* Create a mount representation for the FD created by fsopen using
+ FLAGS with ATTR_FLAGS describing how the mount is to be performed. */
+extern int fsmount (int __fd, unsigned int __flags,
+ unsigned int __ms_flags) __THROW;
+
__END_DECLS
#endif /* _SYS_MOUNT_H */
eventfd EXTRA eventfd2 i:ii eventfd
execve - execve i:spp __execve execve
flock - flock i:ii __flock flock
+fsmount EXTRA fsmount i:iUU fsmount
fsopen EXTRA fsopen i:sU fsopen
get_kernel_syms EXTRA get_kernel_syms i:p __compat_get_kernel_syms get_kernel_syms@GLIBC_2.0:GLIBC_2.23
getpid - getpid Ei: __getpid getpid
linux_version_glibc > linux_version_headers,
linux_version_headers > linux_version_glibc)
- status = check('FSOPEN_.*')
+ status = max(
+ check('FSOPEN_.*'),
+ check('FSMOUNT_.*'))
sys.exit(status)
if __name__ == '__main__':
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F
GLIBC_2.35 _dl_find_object F
GLIBC_2.35 epoll_pwait2 F
GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 fsmount F
GLIBC_2.36 fsopen F
GLIBC_2.36 pidfd_getfd F
GLIBC_2.36 pidfd_open F