22     cwd, fstat, fstatfs, major, openat, renameat, Dir, FileType, Mode, OFlags, Stat,
49     proc_stat: Option<&Stat>,  in check_proc_entry()  argument
50 ) -> io::Result<Stat> {  in check_proc_entry()  argument
55 /// Check a subdirectory of "/proc" for anomalies, using the provided `Stat`.
59     entry_stat: Stat,  in check_proc_entry_with_stat()  argument
60     proc_stat: Option<&Stat>,  in check_proc_entry_with_stat()  argument
61 ) -> io::Result<Stat> {  in check_proc_entry_with_stat()  argument
105 fn check_proc_root(entry: BorrowedFd<'_>, stat: &Stat) -> io::Result<()> {  in check_proc_root()
108     assert_eq!(FileType::from_raw_mode(stat.st_mode), FileType::Directory);  in check_proc_root()
111     if stat.st_ino != PROC_ROOT_INO {  in check_proc_root()
117     if major(stat.st_dev) != 0 {  in check_proc_root()
131     stat: &Stat,  in check_proc_subdir()  argument
132     proc_stat: Option<&Stat>,  in check_proc_subdir()  argument
136     assert_eq!(FileType::from_raw_mode(stat.st_mode), FileType::Directory);  in check_proc_subdir()
138     check_proc_nonroot(stat, proc_stat)?;  in check_proc_subdir()
148 fn check_proc_file(stat: &Stat, proc_stat: Option<&Stat>) -> io::Result<()> {  in check_proc_file()  argument
150     if FileType::from_raw_mode(stat.st_mode) != FileType::RegularFile {  in check_proc_file()
154     check_proc_nonroot(stat, proc_stat)?;  in check_proc_file()
159 fn check_proc_nonroot(stat: &Stat, proc_stat: Option<&Stat>) -> io::Result<()> {  in check_proc_nonroot()  argument
161     if stat.st_ino == PROC_ROOT_INO {  in check_proc_nonroot()
166     if stat.st_dev != proc_stat.unwrap().st_dev {  in check_proc_nonroot()
207 /// and that it looks normal. It also returns the `Stat` of `/proc`.
213 fn proc() -> io::Result<(BorrowedFd<'static>, &'static Stat)> {  in proc()
227     .map(|(fd, stat)| (fd.as_fd(), stat))  in proc()
233 /// it, and that it looks normal. It also returns the `Stat` of `/proc/self`.
239 fn proc_self() -> io::Result<(BorrowedFd<'static>, &'static Stat)> {  in proc_self()
257         .map(|(owned, stat)| (owned.as_fd(), stat))  in proc_self()
291 type StaticFd = OnceCell<(OwnedFd, Stat)>;
294 fn new_static_fd(fd: OwnedFd, stat: Stat) -> (OwnedFd, Stat) {  in new_static_fd()  argument
295     (fd, stat)  in new_static_fd()
301 /// on top of it, and that it looks normal. It also returns the `Stat` of
308 fn proc_self_fdinfo() -> io::Result<(BorrowedFd<'static>, &'static Stat)> {  in proc_self_fdinfo()
325         .map(|(owned, stat)| (owned.as_fd(), stat))  in proc_self_fdinfo()
403 fn open_and_check_file(dir: BorrowedFd, dir_stat: &Stat, name: &CStr) -> io::Result<OwnedFd> {  in open_and_check_file()  argument
432     let dot_stat = dir.stat().map_err(|_err| io::Errno::NOTSUP)?;  in open_and_check_file()