Take sys/vxworks/{fd,fs,io} from sys/unix instead.

library/std/src/os/vxworks/fs.rs

@@ -26,10 +26,16 @@ pub trait MetadataExt {
     #[stable(feature = "metadata_ext2", since = "1.8.0")]
     fn st_atime(&self) -> i64;
     #[stable(feature = "metadata_ext2", since = "1.8.0")]
+    fn st_atime_nsec(&self) -> i64;
+    #[stable(feature = "metadata_ext2", since = "1.8.0")]
     fn st_mtime(&self) -> i64;
     #[stable(feature = "metadata_ext2", since = "1.8.0")]
+    fn st_mtime_nsec(&self) -> i64;
+    #[stable(feature = "metadata_ext2", since = "1.8.0")]
     fn st_ctime(&self) -> i64;
     #[stable(feature = "metadata_ext2", since = "1.8.0")]
+    fn st_ctime_nsec(&self) -> i64;
+    #[stable(feature = "metadata_ext2", since = "1.8.0")]
     fn st_blksize(&self) -> u64;
     #[stable(feature = "metadata_ext2", since = "1.8.0")]
     fn st_blocks(&self) -> u64;
@@ -66,12 +72,21 @@ impl MetadataExt for Metadata {
     fn st_atime(&self) -> i64 {
         self.as_inner().as_inner().st_atime as i64
     }
+    fn st_atime_nsec(&self) -> i64 {
+        0
+    }
     fn st_mtime(&self) -> i64 {
         self.as_inner().as_inner().st_mtime as i64
     }
+    fn st_mtime_nsec(&self) -> i64 {
+        0
+    }
     fn st_ctime(&self) -> i64 {
         self.as_inner().as_inner().st_ctime as i64
     }
+    fn st_ctime_nsec(&self) -> i64 {
+        0
+    }
     fn st_blksize(&self) -> u64 {
         self.as_inner().as_inner().st_blksize as u64
     }

library/std/src/os/vxworks/raw.rs

@@ -5,3 +5,6 @@ use crate::os::raw::c_ulong;
 
 #[stable(feature = "pthread_t", since = "1.8.0")]
 pub type pthread_t = c_ulong;
+
+#[stable(feature = "raw_ext", since = "1.1.0")]
+pub use libc::{blkcnt_t, blksize_t, dev_t, ino_t, mode_t, nlink_t, off_t, time_t};

library/std/src/sys/unix/ext/fs.rs

@@ -650,6 +650,9 @@ pub trait MetadataExt {
     /// ```
     #[stable(feature = "metadata_ext", since = "1.1.0")]
     fn blocks(&self) -> u64;
+    #[cfg(target_os = "vxworks")]
+    #[stable(feature = "metadata_ext", since = "1.1.0")]
+    fn attrib(&self) -> u8;
 }
 
 #[stable(feature = "metadata_ext", since = "1.1.0")]
@@ -702,6 +705,10 @@ impl MetadataExt for fs::Metadata {
     fn blocks(&self) -> u64 {
         self.st_blocks()
     }
+    #[cfg(target_os = "vxworks")]
+    fn attrib(&self) -> u8 {
+        self.st_attrib()
+    }
 }
 
 /// Unix-specific extensions for [`fs::FileType`].

library/std/src/sys/unix/fd.rs

@@ -200,7 +200,8 @@ impl FileDesc {
         target_os = "l4re",
         target_os = "linux",
         target_os = "haiku",
-        target_os = "redox"
+        target_os = "redox",
+        target_os = "vxworks"
     )))]
     pub fn set_cloexec(&self) -> io::Result<()> {
         unsafe {
@@ -217,7 +218,8 @@ impl FileDesc {
         target_os = "l4re",
         target_os = "linux",
         target_os = "haiku",
-        target_os = "redox"
+        target_os = "redox",
+        target_os = "vxworks"
     ))]
     pub fn set_cloexec(&self) -> io::Result<()> {
         unsafe {

library/std/src/sys/unix/fs.rs

@@ -297,20 +297,38 @@ impl FileAttr {
 
 #[cfg(not(target_os = "netbsd"))]
 impl FileAttr {
+    #[cfg(not(target_os = "vxworks"))]
     pub fn modified(&self) -> io::Result<SystemTime> {
         Ok(SystemTime::from(libc::timespec {
             tv_sec: self.stat.st_mtime as libc::time_t,
             tv_nsec: self.stat.st_mtime_nsec as _,
         }))
     }
 
+    #[cfg(target_os = "vxworks")]
+    pub fn modified(&self) -> io::Result<SystemTime> {
+        Ok(SystemTime::from(libc::timespec {
+            tv_sec: self.stat.st_mtime as libc::time_t,
+            tv_nsec: 0,
+        }))
+    }
+
+    #[cfg(not(target_os = "vxworks"))]
     pub fn accessed(&self) -> io::Result<SystemTime> {
         Ok(SystemTime::from(libc::timespec {
             tv_sec: self.stat.st_atime as libc::time_t,
             tv_nsec: self.stat.st_atime_nsec as _,
         }))
     }
 
+    #[cfg(target_os = "vxworks")]
+    pub fn accessed(&self) -> io::Result<SystemTime> {
+        Ok(SystemTime::from(libc::timespec {
+            tv_sec: self.stat.st_atime as libc::time_t,
+            tv_nsec: 0,
+        }))
+    }
+
     #[cfg(any(
         target_os = "freebsd",
         target_os = "openbsd",
@@ -535,12 +553,22 @@ impl DirEntry {
         lstat(&self.path())
     }
 
-    #[cfg(any(target_os = "solaris", target_os = "illumos", target_os = "haiku"))]
+    #[cfg(any(
+        target_os = "solaris",
+        target_os = "illumos",
+        target_os = "haiku",
+        target_os = "vxworks"
+    ))]
     pub fn file_type(&self) -> io::Result<FileType> {
         lstat(&self.path()).map(|m| m.file_type())
     }
 
-    #[cfg(not(any(target_os = "solaris", target_os = "illumos", target_os = "haiku")))]
+    #[cfg(not(any(
+        target_os = "solaris",
+        target_os = "illumos",
+        target_os = "haiku",
+        target_os = "vxworks"
+    )))]
     pub fn file_type(&self) -> io::Result<FileType> {
         match self.entry.d_type {
             libc::DT_CHR => Ok(FileType { mode: libc::S_IFCHR }),
@@ -565,7 +593,8 @@ impl DirEntry {
         target_os = "haiku",
         target_os = "l4re",
         target_os = "fuchsia",
-        target_os = "redox"
+        target_os = "redox",
+        target_os = "vxworks"
     ))]
     pub fn ino(&self) -> u64 {
         self.entry.d_ino as u64
@@ -603,7 +632,8 @@ impl DirEntry {
         target_os = "linux",
         target_os = "emscripten",
         target_os = "l4re",
-        target_os = "haiku"
+        target_os = "haiku",
+        target_os = "vxworks"
     ))]
     fn name_bytes(&self) -> &[u8] {
         unsafe { CStr::from_ptr(self.entry.d_name.as_ptr()).to_bytes() }
@@ -901,13 +931,25 @@ impl fmt::Debug for File {
             Some(PathBuf::from(OsString::from_vec(buf)))
         }
 
-        #[cfg(not(any(target_os = "linux", target_os = "macos")))]
+        #[cfg(target_os = "vxworks")]
+        fn get_path(fd: c_int) -> Option<PathBuf> {
+            let mut buf = vec![0; libc::PATH_MAX as usize];
+            let n = unsafe { libc::ioctl(fd, libc::FIOGETNAME, buf.as_ptr()) };
+            if n == -1 {
+                return None;
+            }
+            let l = buf.iter().position(|&c| c == 0).unwrap();
+            buf.truncate(l as usize);
+            Some(PathBuf::from(OsString::from_vec(buf)))
+        }
+
+        #[cfg(not(any(target_os = "linux", target_os = "macos", target_os = "vxworks")))]
         fn get_path(_fd: c_int) -> Option<PathBuf> {
             // FIXME(#24570): implement this for other Unix platforms
             None
         }
 
-        #[cfg(any(target_os = "linux", target_os = "macos"))]
+        #[cfg(any(target_os = "linux", target_os = "macos", target_os = "vxworks"))]
         fn get_mode(fd: c_int) -> Option<(bool, bool)> {
             let mode = unsafe { libc::fcntl(fd, libc::F_GETFL) };
             if mode == -1 {
@@ -921,7 +963,7 @@ impl fmt::Debug for File {
             }
         }
 
-        #[cfg(not(any(target_os = "linux", target_os = "macos")))]
+        #[cfg(not(any(target_os = "linux", target_os = "macos", target_os = "vxworks")))]
         fn get_mode(_fd: c_int) -> Option<(bool, bool)> {
             // FIXME(#24570): implement this for other Unix platforms
             None