1 files changed, 11 insertions, 6 deletions
diff --git a/library/std/src/fs.rs b/library/std/src/fs.rs
index 4094e3780..73cce35ac 100644
--- a/library/std/src/fs.rs
+++ b/library/std/src/fs.rs
@@ -8,7 +8,7 @@
 #![stable(feature = "rust1", since = "1.0.0")]
 #![deny(unsafe_op_in_unsafe_fn)]
 
-#[cfg(all(test, not(any(target_os = "emscripten", target_env = "sgx"))))]
+#[cfg(all(test, not(any(target_os = "emscripten", target_env = "sgx", target_os = "xous"))))]
 mod tests;
 
 use crate::ffi::OsString;
@@ -233,8 +233,8 @@ pub struct DirBuilder {
 /// This function will return an error if `path` does not already exist.
 /// Other errors may also be returned according to [`OpenOptions::open`].
 ///
-/// It will also return an error if it encounters while reading an error
-/// of a kind other than [`io::ErrorKind::Interrupted`].
+/// While reading from the file, this function handles [`io::ErrorKind::Interrupted`]
+/// with automatic retries. See [io::Read] documentation for details.
 ///
 /// # Examples
 ///
@@ -271,9 +271,11 @@ pub fn read<P: AsRef<Path>>(path: P) -> io::Result<Vec<u8>> {
 /// This function will return an error if `path` does not already exist.
 /// Other errors may also be returned according to [`OpenOptions::open`].
 ///
-/// It will also return an error if it encounters while reading an error
-/// of a kind other than [`io::ErrorKind::Interrupted`],
-/// or if the contents of the file are not valid UTF-8.
+/// If the contents of the file are not valid UTF-8, then an error will also be
+/// returned.
+///
+/// While reading from the file, this function handles [`io::ErrorKind::Interrupted`]
+/// with automatic retries. See [io::Read] documentation for details.
 ///
 /// # Examples
 ///
@@ -745,14 +747,17 @@ fn buffer_capacity_required(mut file: &File) -> Option<usize> {
 
 #[stable(feature = "rust1", since = "1.0.0")]
 impl Read for &File {
+    #[inline]
     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
         self.inner.read(buf)
     }
 
+    #[inline]
     fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> io::Result<usize> {
         self.inner.read_vectored(bufs)
     }
 
+    #[inline]
     fn read_buf(&mut self, cursor: BorrowedCursor<'_>) -> io::Result<()> {
         self.inner.read_buf(cursor)
     }