diff --git a/src/fuchsia/mod.rs b/src/fuchsia/mod.rs
index 012c34c9959b..df02f6251aae 100644
--- a/src/fuchsia/mod.rs
+++ b/src/fuchsia/mod.rs
@@ -1452,9 +1452,9 @@ pub const GRPQUOTA: c_int = 1;
 
 pub const SIGIOT: c_int = 6;
 
-pub const S_ISUID: crate::mode_t = 0o4000;
-pub const S_ISGID: crate::mode_t = 0o2000;
-pub const S_ISVTX: crate::mode_t = 0o1000;
+pub const S_ISUID: mode_t = 0o4000;
+pub const S_ISGID: mode_t = 0o2000;
+pub const S_ISVTX: mode_t = 0o1000;
 
 pub const IF_NAMESIZE: size_t = 16;
 pub const IFNAMSIZ: size_t = IF_NAMESIZE;
@@ -1585,26 +1585,26 @@ pub const O_RDONLY: c_int = 0;
 pub const O_WRONLY: c_int = 1;
 pub const O_RDWR: c_int = 2;
 
-pub const S_IFIFO: crate::mode_t = 0o1_0000;
-pub const S_IFCHR: crate::mode_t = 0o2_0000;
-pub const S_IFBLK: crate::mode_t = 0o6_0000;
-pub const S_IFDIR: crate::mode_t = 0o4_0000;
-pub const S_IFREG: crate::mode_t = 0o10_0000;
-pub const S_IFLNK: crate::mode_t = 0o12_0000;
-pub const S_IFSOCK: crate::mode_t = 0o14_0000;
-pub const S_IFMT: crate::mode_t = 0o17_0000;
-pub const S_IRWXU: crate::mode_t = 0o0700;
-pub const S_IXUSR: crate::mode_t = 0o0100;
-pub const S_IWUSR: crate::mode_t = 0o0200;
-pub const S_IRUSR: crate::mode_t = 0o0400;
-pub const S_IRWXG: crate::mode_t = 0o0070;
-pub const S_IXGRP: crate::mode_t = 0o0010;
-pub const S_IWGRP: crate::mode_t = 0o0020;
-pub const S_IRGRP: crate::mode_t = 0o0040;
-pub const S_IRWXO: crate::mode_t = 0o0007;
-pub const S_IXOTH: crate::mode_t = 0o0001;
-pub const S_IWOTH: crate::mode_t = 0o0002;
-pub const S_IROTH: crate::mode_t = 0o0004;
+pub const S_IFIFO: mode_t = 0o1_0000;
+pub const S_IFCHR: mode_t = 0o2_0000;
+pub const S_IFBLK: mode_t = 0o6_0000;
+pub const S_IFDIR: mode_t = 0o4_0000;
+pub const S_IFREG: mode_t = 0o10_0000;
+pub const S_IFLNK: mode_t = 0o12_0000;
+pub const S_IFSOCK: mode_t = 0o14_0000;
+pub const S_IFMT: mode_t = 0o17_0000;
+pub const S_IRWXU: mode_t = 0o0700;
+pub const S_IXUSR: mode_t = 0o0100;
+pub const S_IWUSR: mode_t = 0o0200;
+pub const S_IRUSR: mode_t = 0o0400;
+pub const S_IRWXG: mode_t = 0o0070;
+pub const S_IXGRP: mode_t = 0o0010;
+pub const S_IWGRP: mode_t = 0o0020;
+pub const S_IRGRP: mode_t = 0o0040;
+pub const S_IRWXO: mode_t = 0o0007;
+pub const S_IXOTH: mode_t = 0o0001;
+pub const S_IWOTH: mode_t = 0o0002;
+pub const S_IROTH: mode_t = 0o0004;
 pub const F_OK: c_int = 0;
 pub const R_OK: c_int = 4;
 pub const W_OK: c_int = 2;
@@ -3726,12 +3726,7 @@ extern "C" {
     pub fn rewinddir(dirp: *mut crate::DIR);
 
     pub fn openat(dirfd: c_int, pathname: *const c_char, flags: c_int, ...) -> c_int;
-    pub fn fchmodat(
-        dirfd: c_int,
-        pathname: *const c_char,
-        mode: crate::mode_t,
-        flags: c_int,
-    ) -> c_int;
+    pub fn fchmodat(dirfd: c_int, pathname: *const c_char, mode: mode_t, flags: c_int) -> c_int;
     pub fn fchown(fd: c_int, owner: crate::uid_t, group: crate::gid_t) -> c_int;
     pub fn fchownat(
         dirfd: c_int,
@@ -3748,7 +3743,7 @@ extern "C" {
         newpath: *const c_char,
         flags: c_int,
     ) -> c_int;
-    pub fn mkdirat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t) -> c_int;
+    pub fn mkdirat(dirfd: c_int, pathname: *const c_char, mode: mode_t) -> c_int;
     pub fn readlinkat(
         dirfd: c_int,
         pathname: *const c_char,
@@ -3959,7 +3954,7 @@ extern "C" {
     pub fn gmtime(time_p: *const time_t) -> *mut tm;
     pub fn localtime(time_p: *const time_t) -> *mut tm;
 
-    pub fn mknod(pathname: *const c_char, mode: crate::mode_t, dev: crate::dev_t) -> c_int;
+    pub fn mknod(pathname: *const c_char, mode: mode_t, dev: crate::dev_t) -> c_int;
     pub fn uname(buf: *mut crate::utsname) -> c_int;
     pub fn gethostname(name: *mut c_char, len: size_t) -> c_int;
     pub fn getservbyname(name: *const c_char, proto: *const c_char) -> *mut servent;
@@ -4079,8 +4074,7 @@ extern "C" {
 
     pub fn fdopendir(fd: c_int) -> *mut crate::DIR;
 
-    pub fn mknodat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t, dev: dev_t)
-        -> c_int;
+    pub fn mknodat(dirfd: c_int, pathname: *const c_char, mode: mode_t, dev: dev_t) -> c_int;
     pub fn pthread_condattr_getclock(
         attr: *const pthread_condattr_t,
         clock_id: *mut clockid_t,
@@ -4205,7 +4199,7 @@ extern "C" {
     pub fn setfsuid(uid: crate::uid_t) -> c_int;
 
     // Not available now on Android
-    pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t) -> c_int;
+    pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: mode_t) -> c_int;
     pub fn if_nameindex() -> *mut if_nameindex;
     pub fn if_freenameindex(ptr: *mut if_nameindex);
     pub fn sync_file_range(fd: c_int, offset: off64_t, nbytes: off64_t, flags: c_uint) -> c_int;
diff --git a/src/unix/aix/mod.rs b/src/unix/aix/mod.rs
index fd227af101cf..2d09364de64a 100644
--- a/src/unix/aix/mod.rs
+++ b/src/unix/aix/mod.rs
@@ -2877,9 +2877,8 @@ extern "C" {
     ) -> *mut c_void;
     pub fn memset_s(s: *mut c_void, smax: size_t, c: c_int, n: size_t) -> c_int;
     pub fn mincore(addr: *const c_void, len: size_t, vec: *mut c_char) -> c_int;
-    pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t) -> c_int;
-    pub fn mknodat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t, dev: dev_t)
-        -> c_int;
+    pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: mode_t) -> c_int;
+    pub fn mknodat(dirfd: c_int, pathname: *const c_char, mode: mode_t, dev: dev_t) -> c_int;
     pub fn mount(device: *const c_char, path: *const c_char, flags: c_int) -> c_int;
     pub fn mprotect(addr: *mut c_void, len: size_t, prot: c_int) -> c_int;
     pub fn mq_close(mqd: crate::mqd_t) -> c_int;
@@ -2973,7 +2972,7 @@ extern "C" {
         fd: c_int,
         path: *const c_char,
         oflag: c_int,
-        mode: crate::mode_t,
+        mode: mode_t,
     ) -> c_int;
     pub fn posix_spawn_file_actions_destroy(actions: *mut posix_spawn_file_actions_t) -> c_int;
     pub fn posix_spawn_file_actions_init(actions: *mut posix_spawn_file_actions_t) -> c_int;
@@ -3138,7 +3137,7 @@ extern "C" {
     pub fn shmdt(shmaddr: *const c_void) -> c_int;
     pub fn shmctl(shmid: c_int, cmd: c_int, buf: *mut crate::shmid_ds) -> c_int;
     pub fn shmget(key: key_t, size: size_t, shmflg: c_int) -> c_int;
-    pub fn shm_open(name: *const c_char, oflag: c_int, mode: crate::mode_t) -> c_int;
+    pub fn shm_open(name: *const c_char, oflag: c_int, mode: mode_t) -> c_int;
     pub fn shm_unlink(name: *const c_char) -> c_int;
     pub fn splice(socket1: c_int, socket2: c_int, flags: c_int) -> c_int;
     pub fn srand(seed: c_uint);
diff --git a/src/unix/bsd/apple/mod.rs b/src/unix/bsd/apple/mod.rs
index 11b61376275d..8597ae467b81 100644
--- a/src/unix/bsd/apple/mod.rs
+++ b/src/unix/bsd/apple/mod.rs
@@ -739,7 +739,7 @@ s! {
         pub gid: crate::gid_t,
         pub cuid: crate::uid_t,
         pub cgid: crate::gid_t,
-        pub mode: crate::mode_t,
+        pub mode: mode_t,
         pub _seq: c_ushort,
         pub _key: crate::key_t,
     }
@@ -6151,7 +6151,7 @@ extern "C" {
         fd: c_int,
         path: *const c_char,
         oflag: c_int,
-        mode: crate::mode_t,
+        mode: mode_t,
     ) -> c_int;
     pub fn posix_spawn_file_actions_addclose(
         actions: *mut posix_spawn_file_actions_t,
@@ -6449,9 +6449,8 @@ extern "C" {
     pub fn dirname(path: *mut c_char) -> *mut c_char;
     pub fn basename(path: *mut c_char) -> *mut c_char;
 
-    pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t) -> c_int;
-    pub fn mknodat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t, dev: dev_t)
-        -> c_int;
+    pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: mode_t) -> c_int;
+    pub fn mknodat(dirfd: c_int, pathname: *const c_char, mode: mode_t, dev: dev_t) -> c_int;
     pub fn freadlink(fd: c_int, buf: *mut c_char, size: size_t) -> c_int;
     pub fn execvP(
         file: *const c_char,
diff --git a/src/unix/bsd/freebsdlike/mod.rs b/src/unix/bsd/freebsdlike/mod.rs
index 99dda9d30806..8b9171b71922 100644
--- a/src/unix/bsd/freebsdlike/mod.rs
+++ b/src/unix/bsd/freebsdlike/mod.rs
@@ -378,7 +378,7 @@ s! {
         pub cgid: crate::gid_t,
         pub uid: crate::uid_t,
         pub gid: crate::gid_t,
-        pub mode: crate::mode_t,
+        pub mode: mode_t,
         pub seq: c_ushort,
         pub key: crate::key_t,
     }
@@ -1598,13 +1598,12 @@ extern "C" {
     pub fn lchflags(path: *const c_char, flags: c_ulong) -> c_int;
     pub fn lutimes(file: *const c_char, times: *const crate::timeval) -> c_int;
     pub fn memrchr(cx: *const c_void, c: c_int, n: size_t) -> *mut c_void;
-    pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t) -> c_int;
+    pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: mode_t) -> c_int;
     #[cfg_attr(
         all(target_os = "freebsd", any(freebsd11, freebsd10)),
         link_name = "mknodat@FBSD_1.1"
     )]
-    pub fn mknodat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t, dev: dev_t)
-        -> c_int;
+    pub fn mknodat(dirfd: c_int, pathname: *const c_char, mode: mode_t, dev: dev_t) -> c_int;
     pub fn malloc_usable_size(ptr: *const c_void) -> size_t;
     pub fn mincore(addr: *const c_void, len: size_t, vec: *mut c_char) -> c_int;
     pub fn newlocale(mask: c_int, locale: *const c_char, base: crate::locale_t) -> crate::locale_t;
@@ -1726,7 +1725,7 @@ extern "C" {
     pub fn setresuid(ruid: crate::uid_t, euid: crate::uid_t, suid: crate::uid_t) -> c_int;
     pub fn settimeofday(tv: *const crate::timeval, tz: *const crate::timezone) -> c_int;
     pub fn setutxent();
-    pub fn shm_open(name: *const c_char, oflag: c_int, mode: crate::mode_t) -> c_int;
+    pub fn shm_open(name: *const c_char, oflag: c_int, mode: mode_t) -> c_int;
     pub fn sigtimedwait(
         set: *const sigset_t,
         info: *mut siginfo_t,
@@ -1868,7 +1867,7 @@ extern "C" {
         fd: c_int,
         path: *const c_char,
         oflag: c_int,
-        mode: crate::mode_t,
+        mode: mode_t,
     ) -> c_int;
     pub fn posix_spawn_file_actions_addclose(
         actions: *mut posix_spawn_file_actions_t,
diff --git a/src/unix/bsd/netbsdlike/mod.rs b/src/unix/bsd/netbsdlike/mod.rs
index acf61c26c47c..c95880ecb272 100644
--- a/src/unix/bsd/netbsdlike/mod.rs
+++ b/src/unix/bsd/netbsdlike/mod.rs
@@ -78,7 +78,7 @@ s! {
         pub cgid: crate::gid_t,
         pub uid: crate::uid_t,
         pub gid: crate::gid_t,
-        pub mode: crate::mode_t,
+        pub mode: mode_t,
         #[cfg(target_os = "openbsd")]
         pub seq: c_ushort,
         #[cfg(target_os = "netbsd")]
@@ -687,7 +687,7 @@ extern "C" {
     #[cfg_attr(target_os = "netbsd", link_name = "__clock_settime50")]
     pub fn clock_settime(clk_id: crate::clockid_t, tp: *const crate::timespec) -> c_int;
     pub fn __errno() -> *mut c_int;
-    pub fn shm_open(name: *const c_char, oflag: c_int, mode: crate::mode_t) -> c_int;
+    pub fn shm_open(name: *const c_char, oflag: c_int, mode: mode_t) -> c_int;
     pub fn memrchr(cx: *const c_void, c: c_int, n: size_t) -> *mut c_void;
     pub fn mkostemp(template: *mut c_char, flags: c_int) -> c_int;
     pub fn mkostemps(template: *mut c_char, suffixlen: c_int, flags: c_int) -> c_int;
@@ -705,9 +705,8 @@ extern "C" {
     pub fn getpriority(which: c_int, who: crate::id_t) -> c_int;
     pub fn setpriority(which: c_int, who: crate::id_t, prio: c_int) -> c_int;
 
-    pub fn mknodat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t, dev: dev_t)
-        -> c_int;
-    pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t) -> c_int;
+    pub fn mknodat(dirfd: c_int, pathname: *const c_char, mode: mode_t, dev: dev_t) -> c_int;
+    pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: mode_t) -> c_int;
     pub fn sem_timedwait(sem: *mut sem_t, abstime: *const crate::timespec) -> c_int;
     pub fn sem_getvalue(sem: *mut sem_t, sval: *mut c_int) -> c_int;
     pub fn pthread_condattr_setclock(
@@ -825,7 +824,7 @@ extern "C" {
         fd: c_int,
         path: *const c_char,
         oflag: c_int,
-        mode: crate::mode_t,
+        mode: mode_t,
     ) -> c_int;
     pub fn posix_spawn_file_actions_addclose(
         actions: *mut posix_spawn_file_actions_t,
diff --git a/src/unix/haiku/mod.rs b/src/unix/haiku/mod.rs
index b392cfd06514..67278cb31488 100644
--- a/src/unix/haiku/mod.rs
+++ b/src/unix/haiku/mod.rs
@@ -420,7 +420,7 @@ s! {
         pub gid: crate::gid_t,
         pub cuid: crate::uid_t,
         pub cgid: crate::gid_t,
-        pub mode: crate::mode_t,
+        pub mode: mode_t,
     }
 
     pub struct sembuf {
@@ -774,27 +774,27 @@ pub const O_NOFOLLOW: c_int = 0x00080000;
 pub const O_NOCACHE: c_int = 0x00100000;
 pub const O_DIRECTORY: c_int = 0x00200000;
 
-pub const S_IFIFO: crate::mode_t = 0o1_0000;
-pub const S_IFCHR: crate::mode_t = 0o2_0000;
-pub const S_IFBLK: crate::mode_t = 0o6_0000;
-pub const S_IFDIR: crate::mode_t = 0o4_0000;
-pub const S_IFREG: crate::mode_t = 0o10_0000;
-pub const S_IFLNK: crate::mode_t = 0o12_0000;
-pub const S_IFSOCK: crate::mode_t = 0o14_0000;
-pub const S_IFMT: crate::mode_t = 0o17_0000;
-
-pub const S_IRWXU: crate::mode_t = 0o0700;
-pub const S_IRUSR: crate::mode_t = 0o0400;
-pub const S_IWUSR: crate::mode_t = 0o0200;
-pub const S_IXUSR: crate::mode_t = 0o0100;
-pub const S_IRWXG: crate::mode_t = 0o0070;
-pub const S_IRGRP: crate::mode_t = 0o0040;
-pub const S_IWGRP: crate::mode_t = 0o0020;
-pub const S_IXGRP: crate::mode_t = 0o0010;
-pub const S_IRWXO: crate::mode_t = 0o0007;
-pub const S_IROTH: crate::mode_t = 0o0004;
-pub const S_IWOTH: crate::mode_t = 0o0002;
-pub const S_IXOTH: crate::mode_t = 0o0001;
+pub const S_IFIFO: mode_t = 0o1_0000;
+pub const S_IFCHR: mode_t = 0o2_0000;
+pub const S_IFBLK: mode_t = 0o6_0000;
+pub const S_IFDIR: mode_t = 0o4_0000;
+pub const S_IFREG: mode_t = 0o10_0000;
+pub const S_IFLNK: mode_t = 0o12_0000;
+pub const S_IFSOCK: mode_t = 0o14_0000;
+pub const S_IFMT: mode_t = 0o17_0000;
+
+pub const S_IRWXU: mode_t = 0o0700;
+pub const S_IRUSR: mode_t = 0o0400;
+pub const S_IWUSR: mode_t = 0o0200;
+pub const S_IXUSR: mode_t = 0o0100;
+pub const S_IRWXG: mode_t = 0o0070;
+pub const S_IRGRP: mode_t = 0o0040;
+pub const S_IWGRP: mode_t = 0o0020;
+pub const S_IXGRP: mode_t = 0o0010;
+pub const S_IRWXO: mode_t = 0o0007;
+pub const S_IROTH: mode_t = 0o0004;
+pub const S_IWOTH: mode_t = 0o0002;
+pub const S_IXOTH: mode_t = 0o0001;
 
 pub const F_OK: c_int = 0;
 pub const R_OK: c_int = 4;
@@ -1731,9 +1731,8 @@ extern "C" {
         bufferSize: size_t,
         res: *mut *mut spwd,
     ) -> c_int;
-    pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t) -> c_int;
-    pub fn mknodat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t, dev: dev_t)
-        -> c_int;
+    pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: mode_t) -> c_int;
+    pub fn mknodat(dirfd: c_int, pathname: *const c_char, mode: mode_t, dev: dev_t) -> c_int;
     pub fn sem_destroy(sem: *mut sem_t) -> c_int;
     pub fn sem_init(sem: *mut sem_t, pshared: c_int, value: c_uint) -> c_int;
 
@@ -1811,7 +1810,7 @@ extern "C" {
     pub fn posix_fadvise(fd: c_int, offset: off_t, len: off_t, advice: c_int) -> c_int;
     pub fn posix_fallocate(fd: c_int, offset: off_t, len: off_t) -> c_int;
 
-    pub fn shm_open(name: *const c_char, oflag: c_int, mode: crate::mode_t) -> c_int;
+    pub fn shm_open(name: *const c_char, oflag: c_int, mode: mode_t) -> c_int;
     pub fn shm_unlink(name: *const c_char) -> c_int;
 
     pub fn seekdir(dirp: *mut crate::DIR, loc: c_long);
@@ -2027,7 +2026,7 @@ extern "C" {
         fildes: c_int,
         path: *const c_char,
         oflag: c_int,
-        mode: crate::mode_t,
+        mode: mode_t,
     ) -> c_int;
     pub fn posix_spawn_file_actions_addclose(
         file_actions: *mut posix_spawn_file_actions_t,
diff --git a/src/unix/hurd/mod.rs b/src/unix/hurd/mod.rs
index 45177a0fc7c3..d47c089a3fca 100644
--- a/src/unix/hurd/mod.rs
+++ b/src/unix/hurd/mod.rs
@@ -2150,35 +2150,35 @@ pub const SF_NOUNLINK: c_uint = 1048576;
 pub const SF_SNAPSHOT: c_uint = 2097152;
 pub const UTIME_NOW: c_long = -1;
 pub const UTIME_OMIT: c_long = -2;
-pub const S_IFMT: crate::mode_t = 0o17_0000;
-pub const S_IFDIR: crate::mode_t = 0o4_0000;
-pub const S_IFCHR: crate::mode_t = 0o2_0000;
-pub const S_IFBLK: crate::mode_t = 0o6_0000;
-pub const S_IFREG: crate::mode_t = 0o10_0000;
-pub const S_IFIFO: crate::mode_t = 0o1_0000;
-pub const S_IFLNK: crate::mode_t = 0o12_0000;
-pub const S_IFSOCK: crate::mode_t = 0o14_0000;
-pub const S_ISUID: crate::mode_t = 0o4000;
-pub const S_ISGID: crate::mode_t = 0o2000;
-pub const S_ISVTX: crate::mode_t = 0o1000;
-pub const S_IRUSR: crate::mode_t = 0o0400;
-pub const S_IWUSR: crate::mode_t = 0o0200;
-pub const S_IXUSR: crate::mode_t = 0o0100;
-pub const S_IRWXU: crate::mode_t = 0o0700;
-pub const S_IREAD: crate::mode_t = 0o0400;
-pub const S_IWRITE: crate::mode_t = 0o0200;
-pub const S_IEXEC: crate::mode_t = 0o0100;
-pub const S_IRGRP: crate::mode_t = 0o0040;
-pub const S_IWGRP: crate::mode_t = 0o0020;
-pub const S_IXGRP: crate::mode_t = 0o0010;
-pub const S_IRWXG: crate::mode_t = 0o0070;
-pub const S_IROTH: crate::mode_t = 0o0004;
-pub const S_IWOTH: crate::mode_t = 0o0002;
-pub const S_IXOTH: crate::mode_t = 0o0001;
-pub const S_IRWXO: crate::mode_t = 0o0007;
-pub const ACCESSPERMS: crate::mode_t = 511;
-pub const ALLPERMS: crate::mode_t = 4095;
-pub const DEFFILEMODE: crate::mode_t = 438;
+pub const S_IFMT: mode_t = 0o17_0000;
+pub const S_IFDIR: mode_t = 0o4_0000;
+pub const S_IFCHR: mode_t = 0o2_0000;
+pub const S_IFBLK: mode_t = 0o6_0000;
+pub const S_IFREG: mode_t = 0o10_0000;
+pub const S_IFIFO: mode_t = 0o1_0000;
+pub const S_IFLNK: mode_t = 0o12_0000;
+pub const S_IFSOCK: mode_t = 0o14_0000;
+pub const S_ISUID: mode_t = 0o4000;
+pub const S_ISGID: mode_t = 0o2000;
+pub const S_ISVTX: mode_t = 0o1000;
+pub const S_IRUSR: mode_t = 0o0400;
+pub const S_IWUSR: mode_t = 0o0200;
+pub const S_IXUSR: mode_t = 0o0100;
+pub const S_IRWXU: mode_t = 0o0700;
+pub const S_IREAD: mode_t = 0o0400;
+pub const S_IWRITE: mode_t = 0o0200;
+pub const S_IEXEC: mode_t = 0o0100;
+pub const S_IRGRP: mode_t = 0o0040;
+pub const S_IWGRP: mode_t = 0o0020;
+pub const S_IXGRP: mode_t = 0o0010;
+pub const S_IRWXG: mode_t = 0o0070;
+pub const S_IROTH: mode_t = 0o0004;
+pub const S_IWOTH: mode_t = 0o0002;
+pub const S_IXOTH: mode_t = 0o0001;
+pub const S_IRWXO: mode_t = 0o0007;
+pub const ACCESSPERMS: mode_t = 511;
+pub const ALLPERMS: mode_t = 4095;
+pub const DEFFILEMODE: mode_t = 438;
 pub const S_BLKSIZE: usize = 512;
 pub const STATX_TYPE: c_uint = 1;
 pub const STATX_MODE: c_uint = 2;
@@ -3574,8 +3574,7 @@ extern "C" {
 
     pub fn mkfifoat(__fd: c_int, __path: *const c_char, __mode: __mode_t) -> c_int;
 
-    pub fn mknodat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t, dev: dev_t)
-        -> c_int;
+    pub fn mknodat(dirfd: c_int, pathname: *const c_char, mode: mode_t, dev: dev_t) -> c_int;
 
     pub fn __libc_current_sigrtmin() -> c_int;
 
@@ -4246,7 +4245,7 @@ extern "C" {
         fd: c_int,
         path: *const c_char,
         oflag: c_int,
-        mode: crate::mode_t,
+        mode: mode_t,
     ) -> c_int;
     pub fn posix_spawn_file_actions_addclose(
         actions: *mut posix_spawn_file_actions_t,
diff --git a/src/unix/linux_like/android/mod.rs b/src/unix/linux_like/android/mod.rs
index 6fc03c0416a8..13d882be0075 100644
--- a/src/unix/linux_like/android/mod.rs
+++ b/src/unix/linux_like/android/mod.rs
@@ -2667,7 +2667,7 @@ pub const TUNSETTXFILTER: c_int = _IOW::<c_int>(T_TYPE, 209);
 pub const TUNGETIFF: c_int = _IOR::<c_int>(T_TYPE, 210);
 pub const TUNGETSNDBUF: c_int = _IOR::<c_int>(T_TYPE, 211);
 pub const TUNSETSNDBUF: c_int = _IOW::<c_int>(T_TYPE, 212);
-pub const TUNATTACHFILTER: c_int =  _IOW::<sock_fprog>(T_TYPE, 213);
+pub const TUNATTACHFILTER: c_int = _IOW::<sock_fprog>(T_TYPE, 213);
 pub const TUNDETACHFILTER: c_int = _IOW::<sock_fprog>(T_TYPE, 214);
 pub const TUNGETVNETHDRSZ: c_int = _IOR::<c_int>(T_TYPE, 215);
 pub const TUNSETVNETHDRSZ: c_int = _IOW::<c_int>(T_TYPE, 216);
@@ -4258,22 +4258,27 @@ impl siginfo_t {
     }
 }
 
- /// Build an ioctl number for an argumentless ioctl.
- pub const fn _IO(ty: u32, nr: u32) -> c_int {
+/// Build an ioctl number for an argumentless ioctl.
+pub const fn _IO(ty: u32, nr: u32) -> c_int {
     super::_IOC(super::_IOC_NONE, ty, nr, 0) as c_int
 }
 
 /// Build an ioctl number for an read-only ioctl.
 pub const fn _IOR<T>(ty: u32, nr: u32) -> c_int {
-    super::_IOC(super::_IOC_READ, ty, nr, mem::size_of::<T>())  as c_int
+    super::_IOC(super::_IOC_READ, ty, nr, mem::size_of::<T>()) as c_int
 }
 
 /// Build an ioctl number for an write-only ioctl.
 pub const fn _IOW<T>(ty: u32, nr: u32) -> c_int {
-    super::_IOC(super::_IOC_WRITE, ty, nr, mem::size_of::<T>())  as c_int
+    super::_IOC(super::_IOC_WRITE, ty, nr, mem::size_of::<T>()) as c_int
 }
 
 /// Build an ioctl number for a read-write ioctl.
 pub const fn _IOWR<T>(ty: u32, nr: u32) -> c_int {
-    super::_IOC(super::_IOC_READ | super::_IOC_WRITE, ty, nr, mem::size_of::<T>())  as c_int
+    super::_IOC(
+        super::_IOC_READ | super::_IOC_WRITE,
+        ty,
+        nr,
+        mem::size_of::<T>(),
+    ) as c_int
 }
diff --git a/src/unix/linux_like/emscripten/mod.rs b/src/unix/linux_like/emscripten/mod.rs
index 985b3c0c5e18..462a944b1e2b 100644
--- a/src/unix/linux_like/emscripten/mod.rs
+++ b/src/unix/linux_like/emscripten/mod.rs
@@ -171,7 +171,7 @@ s! {
         pub gid: crate::gid_t,
         pub cuid: crate::uid_t,
         pub cgid: crate::gid_t,
-        pub mode: crate::mode_t,
+        pub mode: mode_t,
         pub __seq: c_int,
         __unused1: c_long,
         __unused2: c_long,
@@ -229,7 +229,7 @@ s! {
         __st_dev_padding: c_int,
         #[cfg(emscripten_old_stat_abi)]
         __st_ino_truncated: c_long,
-        pub st_mode: crate::mode_t,
+        pub st_mode: mode_t,
         pub st_nlink: crate::nlink_t,
         pub st_uid: crate::uid_t,
         pub st_gid: crate::gid_t,
@@ -1530,7 +1530,7 @@ extern "C" {
     ) -> c_int;
     pub fn getloadavg(loadavg: *mut c_double, nelem: c_int) -> c_int;
 
-    pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t) -> c_int;
+    pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: mode_t) -> c_int;
     pub fn if_nameindex() -> *mut if_nameindex;
     pub fn if_freenameindex(ptr: *mut if_nameindex);
 
diff --git a/src/unix/linux_like/linux/mod.rs b/src/unix/linux_like/linux/mod.rs
index b818b8c65929..86741adb43d8 100644
--- a/src/unix/linux_like/linux/mod.rs
+++ b/src/unix/linux_like/linux/mod.rs
@@ -5949,8 +5949,8 @@ pub const EPIOCGPARAMS: Ioctl = 0x80088a02;
 pub const SI_DETHREAD: c_int = -7;
 pub const TRAP_PERF: c_int = 6;
 
- /// Build an ioctl number for an argumentless ioctl.
- pub const fn _IO(ty: u32, nr: u32) -> u32 {
+/// Build an ioctl number for an argumentless ioctl.
+pub const fn _IO(ty: u32, nr: u32) -> u32 {
     super::_IOC(super::_IOC_NONE, ty, nr, 0)
 }
 
@@ -6504,7 +6504,7 @@ extern "C" {
     pub fn setfsuid(uid: crate::uid_t) -> c_int;
 
     // Not available now on Android
-    pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t) -> c_int;
+    pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: mode_t) -> c_int;
     pub fn if_nameindex() -> *mut if_nameindex;
     pub fn if_freenameindex(ptr: *mut if_nameindex);
     pub fn sync_file_range(fd: c_int, offset: off64_t, nbytes: off64_t, flags: c_uint) -> c_int;
@@ -6859,7 +6859,7 @@ extern "C" {
         fd: c_int,
         path: *const c_char,
         oflag: c_int,
-        mode: crate::mode_t,
+        mode: mode_t,
     ) -> c_int;
     pub fn posix_spawn_file_actions_addclose(
         actions: *mut posix_spawn_file_actions_t,
diff --git a/src/unix/linux_like/mod.rs b/src/unix/linux_like/mod.rs
index aa363ad420f0..6ed732e73f5c 100644
--- a/src/unix/linux_like/mod.rs
+++ b/src/unix/linux_like/mod.rs
@@ -534,26 +534,26 @@ pub const O_RDWR: c_int = 2;
 
 pub const SOCK_CLOEXEC: c_int = O_CLOEXEC;
 
-pub const S_IFIFO: crate::mode_t = 0o1_0000;
-pub const S_IFCHR: crate::mode_t = 0o2_0000;
-pub const S_IFBLK: crate::mode_t = 0o6_0000;
-pub const S_IFDIR: crate::mode_t = 0o4_0000;
-pub const S_IFREG: crate::mode_t = 0o10_0000;
-pub const S_IFLNK: crate::mode_t = 0o12_0000;
-pub const S_IFSOCK: crate::mode_t = 0o14_0000;
-pub const S_IFMT: crate::mode_t = 0o17_0000;
-pub const S_IRWXU: crate::mode_t = 0o0700;
-pub const S_IXUSR: crate::mode_t = 0o0100;
-pub const S_IWUSR: crate::mode_t = 0o0200;
-pub const S_IRUSR: crate::mode_t = 0o0400;
-pub const S_IRWXG: crate::mode_t = 0o0070;
-pub const S_IXGRP: crate::mode_t = 0o0010;
-pub const S_IWGRP: crate::mode_t = 0o0020;
-pub const S_IRGRP: crate::mode_t = 0o0040;
-pub const S_IRWXO: crate::mode_t = 0o0007;
-pub const S_IXOTH: crate::mode_t = 0o0001;
-pub const S_IWOTH: crate::mode_t = 0o0002;
-pub const S_IROTH: crate::mode_t = 0o0004;
+pub const S_IFIFO: mode_t = 0o1_0000;
+pub const S_IFCHR: mode_t = 0o2_0000;
+pub const S_IFBLK: mode_t = 0o6_0000;
+pub const S_IFDIR: mode_t = 0o4_0000;
+pub const S_IFREG: mode_t = 0o10_0000;
+pub const S_IFLNK: mode_t = 0o12_0000;
+pub const S_IFSOCK: mode_t = 0o14_0000;
+pub const S_IFMT: mode_t = 0o17_0000;
+pub const S_IRWXU: mode_t = 0o0700;
+pub const S_IXUSR: mode_t = 0o0100;
+pub const S_IWUSR: mode_t = 0o0200;
+pub const S_IRUSR: mode_t = 0o0400;
+pub const S_IRWXG: mode_t = 0o0070;
+pub const S_IXGRP: mode_t = 0o0010;
+pub const S_IWGRP: mode_t = 0o0020;
+pub const S_IRGRP: mode_t = 0o0040;
+pub const S_IRWXO: mode_t = 0o0007;
+pub const S_IXOTH: mode_t = 0o0001;
+pub const S_IWOTH: mode_t = 0o0002;
+pub const S_IROTH: mode_t = 0o0004;
 pub const F_OK: c_int = 0;
 pub const R_OK: c_int = 4;
 pub const W_OK: c_int = 2;
@@ -1876,8 +1876,7 @@ extern "C" {
     pub fn freelocale(loc: crate::locale_t);
     pub fn newlocale(mask: c_int, locale: *const c_char, base: crate::locale_t) -> crate::locale_t;
     pub fn uselocale(loc: crate::locale_t) -> crate::locale_t;
-    pub fn mknodat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t, dev: dev_t)
-        -> c_int;
+    pub fn mknodat(dirfd: c_int, pathname: *const c_char, mode: mode_t, dev: dev_t) -> c_int;
     pub fn pthread_condattr_getclock(
         attr: *const pthread_condattr_t,
         clock_id: *mut clockid_t,
diff --git a/src/unix/mod.rs b/src/unix/mod.rs
index e42528ee4116..dc8b0fc01b93 100644
--- a/src/unix/mod.rs
+++ b/src/unix/mod.rs
@@ -245,9 +245,9 @@ cfg_if! {
 }
 pub const SIGIOT: c_int = 6;
 
-pub const S_ISUID: crate::mode_t = 0o4000;
-pub const S_ISGID: crate::mode_t = 0o2000;
-pub const S_ISVTX: crate::mode_t = 0o1000;
+pub const S_ISUID: mode_t = 0o4000;
+pub const S_ISGID: mode_t = 0o2000;
+pub const S_ISVTX: mode_t = 0o1000;
 
 cfg_if! {
     if #[cfg(not(any(
@@ -939,12 +939,7 @@ extern "C" {
     )]
     pub fn rewinddir(dirp: *mut crate::DIR);
 
-    pub fn fchmodat(
-        dirfd: c_int,
-        pathname: *const c_char,
-        mode: crate::mode_t,
-        flags: c_int,
-    ) -> c_int;
+    pub fn fchmodat(dirfd: c_int, pathname: *const c_char, mode: mode_t, flags: c_int) -> c_int;
     pub fn fchown(fd: c_int, owner: crate::uid_t, group: crate::gid_t) -> c_int;
     pub fn fchownat(
         dirfd: c_int,
@@ -1416,7 +1411,7 @@ extern "C" {
         all(target_os = "freebsd", any(freebsd11, freebsd10)),
         link_name = "mknod@FBSD_1.0"
     )]
-    pub fn mknod(pathname: *const c_char, mode: crate::mode_t, dev: crate::dev_t) -> c_int;
+    pub fn mknod(pathname: *const c_char, mode: mode_t, dev: crate::dev_t) -> c_int;
     pub fn gethostname(name: *mut c_char, len: size_t) -> c_int;
     pub fn endservent();
     pub fn getservbyname(name: *const c_char, proto: *const c_char) -> *mut servent;
@@ -1654,7 +1649,7 @@ cfg_if! {
             )]
             pub fn pause() -> c_int;
 
-            pub fn mkdirat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t) -> c_int;
+            pub fn mkdirat(dirfd: c_int, pathname: *const c_char, mode: mode_t) -> c_int;
             #[cfg_attr(gnu_file_offset_bits64, link_name = "openat64")]
             pub fn openat(dirfd: c_int, pathname: *const c_char, flags: c_int, ...) -> c_int;
 
diff --git a/src/unix/newlib/mod.rs b/src/unix/newlib/mod.rs
index 83755bf18fd7..de28a3d9cddd 100644
--- a/src/unix/newlib/mod.rs
+++ b/src/unix/newlib/mod.rs
@@ -567,28 +567,28 @@ pub const SEEK_END: c_int = 2;
 pub const FIOCLEX: c_ulong = 0x20006601;
 pub const FIONCLEX: c_ulong = 0x20006602;
 
-pub const S_BLKSIZE: crate::mode_t = 1024;
-pub const S_IREAD: crate::mode_t = 0o0400;
-pub const S_IWRITE: crate::mode_t = 0o0200;
-pub const S_IEXEC: crate::mode_t = 0o0100;
-pub const S_ENFMT: crate::mode_t = 0o2000;
-pub const S_IFMT: crate::mode_t = 0o17_0000;
-pub const S_IFDIR: crate::mode_t = 0o4_0000;
-pub const S_IFCHR: crate::mode_t = 0o2_0000;
-pub const S_IFBLK: crate::mode_t = 0o6_0000;
-pub const S_IFREG: crate::mode_t = 0o10_0000;
-pub const S_IFLNK: crate::mode_t = 0o12_0000;
-pub const S_IFSOCK: crate::mode_t = 0o14_0000;
-pub const S_IFIFO: crate::mode_t = 0o1_0000;
-pub const S_IRUSR: crate::mode_t = 0o0400;
-pub const S_IWUSR: crate::mode_t = 0o0200;
-pub const S_IXUSR: crate::mode_t = 0o0100;
-pub const S_IRGRP: crate::mode_t = 0o0040;
-pub const S_IWGRP: crate::mode_t = 0o0020;
-pub const S_IXGRP: crate::mode_t = 0o0010;
-pub const S_IROTH: crate::mode_t = 0o0004;
-pub const S_IWOTH: crate::mode_t = 0o0002;
-pub const S_IXOTH: crate::mode_t = 0o0001;
+pub const S_BLKSIZE: mode_t = 1024;
+pub const S_IREAD: mode_t = 0o0400;
+pub const S_IWRITE: mode_t = 0o0200;
+pub const S_IEXEC: mode_t = 0o0100;
+pub const S_ENFMT: mode_t = 0o2000;
+pub const S_IFMT: mode_t = 0o17_0000;
+pub const S_IFDIR: mode_t = 0o4_0000;
+pub const S_IFCHR: mode_t = 0o2_0000;
+pub const S_IFBLK: mode_t = 0o6_0000;
+pub const S_IFREG: mode_t = 0o10_0000;
+pub const S_IFLNK: mode_t = 0o12_0000;
+pub const S_IFSOCK: mode_t = 0o14_0000;
+pub const S_IFIFO: mode_t = 0o1_0000;
+pub const S_IRUSR: mode_t = 0o0400;
+pub const S_IWUSR: mode_t = 0o0200;
+pub const S_IXUSR: mode_t = 0o0100;
+pub const S_IRGRP: mode_t = 0o0040;
+pub const S_IWGRP: mode_t = 0o0020;
+pub const S_IXGRP: mode_t = 0o0010;
+pub const S_IROTH: mode_t = 0o0004;
+pub const S_IWOTH: mode_t = 0o0002;
+pub const S_IXOTH: mode_t = 0o0001;
 
 pub const SOL_TCP: c_int = 6;
 
diff --git a/src/unix/nto/mod.rs b/src/unix/nto/mod.rs
index 78ddd14d8cf8..7505db53fcf4 100644
--- a/src/unix/nto/mod.rs
+++ b/src/unix/nto/mod.rs
@@ -98,7 +98,7 @@ s! {
         pub __old_st_mtime: crate::_Time32t,
         pub __old_st_atime: crate::_Time32t,
         pub __old_st_ctime: crate::_Time32t,
-        pub st_mode: crate::mode_t,
+        pub st_mode: mode_t,
         pub st_nlink: crate::nlink_t,
         pub st_blocksize: crate::blksize_t,
         pub st_nblocks: i32,
@@ -563,7 +563,7 @@ s! {
         pub gid: crate::gid_t,
         pub cuid: crate::uid_t,
         pub cgid: crate::gid_t,
-        pub mode: crate::mode_t,
+        pub mode: mode_t,
         pub seq: c_uint,
         pub key: crate::key_t,
         _reserved: [c_int; 4],
@@ -2174,27 +2174,27 @@ pub const S_IEXEC: mode_t = crate::S_IXUSR;
 pub const S_IWRITE: mode_t = crate::S_IWUSR;
 pub const S_IREAD: mode_t = crate::S_IRUSR;
 
-pub const S_IFIFO: crate::mode_t = 0o1_0000;
-pub const S_IFCHR: crate::mode_t = 0o2_0000;
-pub const S_IFDIR: crate::mode_t = 0o4_0000;
-pub const S_IFBLK: crate::mode_t = 0o6_0000;
-pub const S_IFREG: crate::mode_t = 0o10_0000;
-pub const S_IFLNK: crate::mode_t = 0o12_0000;
-pub const S_IFSOCK: crate::mode_t = 0o14_0000;
-pub const S_IFMT: crate::mode_t = 0o17_0000;
-
-pub const S_IXOTH: crate::mode_t = 0o0001;
-pub const S_IWOTH: crate::mode_t = 0o0002;
-pub const S_IROTH: crate::mode_t = 0o0004;
-pub const S_IRWXO: crate::mode_t = 0o0007;
-pub const S_IXGRP: crate::mode_t = 0o0010;
-pub const S_IWGRP: crate::mode_t = 0o0020;
-pub const S_IRGRP: crate::mode_t = 0o0040;
-pub const S_IRWXG: crate::mode_t = 0o0070;
-pub const S_IXUSR: crate::mode_t = 0o0100;
-pub const S_IWUSR: crate::mode_t = 0o0200;
-pub const S_IRUSR: crate::mode_t = 0o0400;
-pub const S_IRWXU: crate::mode_t = 0o0700;
+pub const S_IFIFO: mode_t = 0o1_0000;
+pub const S_IFCHR: mode_t = 0o2_0000;
+pub const S_IFDIR: mode_t = 0o4_0000;
+pub const S_IFBLK: mode_t = 0o6_0000;
+pub const S_IFREG: mode_t = 0o10_0000;
+pub const S_IFLNK: mode_t = 0o12_0000;
+pub const S_IFSOCK: mode_t = 0o14_0000;
+pub const S_IFMT: mode_t = 0o17_0000;
+
+pub const S_IXOTH: mode_t = 0o0001;
+pub const S_IWOTH: mode_t = 0o0002;
+pub const S_IROTH: mode_t = 0o0004;
+pub const S_IRWXO: mode_t = 0o0007;
+pub const S_IXGRP: mode_t = 0o0010;
+pub const S_IWGRP: mode_t = 0o0020;
+pub const S_IRGRP: mode_t = 0o0040;
+pub const S_IRWXG: mode_t = 0o0070;
+pub const S_IXUSR: mode_t = 0o0100;
+pub const S_IWUSR: mode_t = 0o0200;
+pub const S_IRUSR: mode_t = 0o0400;
+pub const S_IRWXU: mode_t = 0o0700;
 
 pub const F_LOCK: c_int = 1;
 pub const F_TEST: c_int = 3;
@@ -2981,13 +2981,8 @@ extern "C" {
     pub fn fdatasync(fd: c_int) -> c_int;
     pub fn getpriority(which: c_int, who: crate::id_t) -> c_int;
     pub fn setpriority(which: c_int, who: crate::id_t, prio: c_int) -> c_int;
-    pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t) -> c_int;
-    pub fn mknodat(
-        __fd: c_int,
-        pathname: *const c_char,
-        mode: crate::mode_t,
-        dev: crate::dev_t,
-    ) -> c_int;
+    pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: mode_t) -> c_int;
+    pub fn mknodat(__fd: c_int, pathname: *const c_char, mode: mode_t, dev: crate::dev_t) -> c_int;
 
     pub fn clock_getres(clk_id: crate::clockid_t, tp: *mut crate::timespec) -> c_int;
     pub fn clock_gettime(clk_id: crate::clockid_t, tp: *mut crate::timespec) -> c_int;
@@ -3358,7 +3353,7 @@ extern "C" {
         fd: c_int,
         path: *const c_char,
         oflag: c_int,
-        mode: crate::mode_t,
+        mode: mode_t,
     ) -> c_int;
     pub fn posix_spawn_file_actions_addclose(
         actions: *mut posix_spawn_file_actions_t,
diff --git a/src/unix/redox/mod.rs b/src/unix/redox/mod.rs
index 708e59750d22..26c59e8deb1d 100644
--- a/src/unix/redox/mod.rs
+++ b/src/unix/redox/mod.rs
@@ -196,7 +196,7 @@ s! {
         pub st_dev: crate::dev_t,
         pub st_ino: crate::ino_t,
         pub st_nlink: crate::nlink_t,
-        pub st_mode: crate::mode_t,
+        pub st_mode: mode_t,
         pub st_uid: crate::uid_t,
         pub st_gid: crate::gid_t,
         pub st_rdev: crate::dev_t,
@@ -1262,18 +1262,8 @@ extern "C" {
     pub fn futimens(fd: c_int, times: *const crate::timespec) -> c_int;
 
     // sys/uio.h
-    pub fn preadv(
-        fd: c_int,
-        iov: *const crate::iovec,
-        iovcnt: c_int,
-        offset: off_t,
-    ) -> ssize_t;
-    pub fn pwritev(
-        fd: c_int,
-        iov: *const crate::iovec,
-        iovcnt: c_int,
-        offset: off_t,
-    ) -> ssize_t;
+    pub fn preadv(fd: c_int, iov: *const crate::iovec, iovcnt: c_int, offset: off_t) -> ssize_t;
+    pub fn pwritev(fd: c_int, iov: *const crate::iovec, iovcnt: c_int, offset: off_t) -> ssize_t;
     pub fn readv(fd: c_int, iov: *const crate::iovec, iovcnt: c_int) -> ssize_t;
     pub fn writev(fd: c_int, iov: *const crate::iovec, iovcnt: c_int) -> ssize_t;
 
diff --git a/src/unix/solarish/mod.rs b/src/unix/solarish/mod.rs
index 20b762264eed..d001b671b59b 100644
--- a/src/unix/solarish/mod.rs
+++ b/src/unix/solarish/mod.rs
@@ -96,7 +96,7 @@ s! {
         pub gid: crate::gid_t,
         pub cuid: crate::uid_t,
         pub cgid: crate::gid_t,
-        pub mode: crate::mode_t,
+        pub mode: mode_t,
         pub seq: c_uint,
         pub key: crate::key_t,
     }
@@ -328,7 +328,7 @@ s! {
     pub struct stat {
         pub st_dev: crate::dev_t,
         pub st_ino: crate::ino_t,
-        pub st_mode: crate::mode_t,
+        pub st_mode: mode_t,
         pub st_nlink: crate::nlink_t,
         pub st_uid: crate::uid_t,
         pub st_gid: crate::gid_t,
@@ -2648,9 +2648,8 @@ extern "C" {
     pub fn getpriority(which: c_int, who: c_int) -> c_int;
     pub fn setpriority(which: c_int, who: c_int, prio: c_int) -> c_int;
 
-    pub fn mknodat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t, dev: dev_t)
-        -> c_int;
-    pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t) -> c_int;
+    pub fn mknodat(dirfd: c_int, pathname: *const c_char, mode: mode_t, dev: dev_t) -> c_int;
+    pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: mode_t) -> c_int;
     pub fn sethostname(name: *const c_char, len: c_int) -> c_int;
     pub fn if_nameindex() -> *mut if_nameindex;
     pub fn if_freenameindex(ptr: *mut if_nameindex);
@@ -2727,7 +2726,7 @@ extern "C" {
         fildes: c_int,
         path: *const c_char,
         oflag: c_int,
-        mode: crate::mode_t,
+        mode: mode_t,
     ) -> c_int;
     pub fn posix_spawn_file_actions_addclose(
         file_actions: *mut posix_spawn_file_actions_t,
@@ -2810,7 +2809,7 @@ extern "C" {
 
     pub fn shmget(key: key_t, size: size_t, shmflg: c_int) -> c_int;
 
-    pub fn shm_open(name: *const c_char, oflag: c_int, mode: crate::mode_t) -> c_int;
+    pub fn shm_open(name: *const c_char, oflag: c_int, mode: mode_t) -> c_int;
     pub fn shm_unlink(name: *const c_char) -> c_int;
 
     pub fn seekdir(dirp: *mut crate::DIR, loc: c_long);
diff --git a/src/vxworks/mod.rs b/src/vxworks/mod.rs
index 0174861f7e76..68e6d1d9b88d 100644
--- a/src/vxworks/mod.rs
+++ b/src/vxworks/mod.rs
@@ -220,7 +220,7 @@ s! {
     pub struct stat {
         pub st_dev: crate::dev_t,
         pub st_ino: crate::ino_t,
-        pub st_mode: crate::mode_t,
+        pub st_mode: mode_t,
         pub st_nlink: crate::nlink_t,
         pub st_uid: crate::uid_t,
         pub st_gid: crate::gid_t,
@@ -800,7 +800,7 @@ pub const S_IFSOCK: c_int = 0o14_0000;
 pub const S_ISUID: c_int = 0o4000;
 pub const S_ISGID: c_int = 0o2000;
 pub const S_ISTXT: c_int = 0o1000;
-pub const S_ISVTX: mode_t = 0o1000;
+pub const S_ISVTX: mode_t = 0o1000; // BUG? this is the only mode_t value
 pub const S_IRUSR: c_int = 0o0400;
 pub const S_IWUSR: c_int = 0o0200;
 pub const S_IXUSR: c_int = 0o0100;
@@ -1310,7 +1310,7 @@ extern "C" {
     pub fn msync(addr: *mut c_void, len: size_t, flags: c_int) -> c_int;
 
     pub fn truncate(path: *const c_char, length: off_t) -> c_int;
-    pub fn shm_open(name: *const c_char, oflag: c_int, mode: crate::mode_t) -> c_int;
+    pub fn shm_open(name: *const c_char, oflag: c_int, mode: mode_t) -> c_int;
     pub fn shm_unlink(name: *const c_char) -> c_int;
 
     pub fn gettimeofday(tp: *mut crate::timeval, tz: *mut c_void) -> c_int;
@@ -1821,13 +1821,13 @@ extern "C" {
     pub fn rmdir(path: *const c_char) -> c_int;
 
     // stat.h
-    pub fn mkdir(dirName: *const c_char, mode: crate::mode_t) -> c_int;
+    pub fn mkdir(dirName: *const c_char, mode: mode_t) -> c_int;
 
     // stat.h
-    pub fn chmod(path: *const c_char, mode: crate::mode_t) -> c_int;
+    pub fn chmod(path: *const c_char, mode: mode_t) -> c_int;
 
     // stat.h
-    pub fn fchmod(attr1: c_int, attr2: crate::mode_t) -> c_int;
+    pub fn fchmod(attr1: c_int, attr2: mode_t) -> c_int;
 
     // unistd.h
     pub fn fsync(fd: c_int) -> c_int;
diff --git a/src/wasi/mod.rs b/src/wasi/mod.rs
index 1a103cc85fe9..456900996d33 100644
--- a/src/wasi/mod.rs
+++ b/src/wasi/mod.rs
@@ -653,7 +653,7 @@ extern "C" {
         newpath: *const c_char,
         flags: c_int,
     ) -> c_int;
-    pub fn mkdirat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t) -> c_int;
+    pub fn mkdirat(dirfd: c_int, pathname: *const c_char, mode: mode_t) -> c_int;
     pub fn readlinkat(
         dirfd: c_int,
         pathname: *const c_char,