6 files changed, 74 insertions, 0 deletions
diff --git a/third_party/rust/tokio/src/fs/os/mod.rs b/third_party/rust/tokio/src/fs/os/mod.rs
new file mode 100644
index 0000000000..f4b8bfb617
--- /dev/null
+++ b/third_party/rust/tokio/src/fs/os/mod.rs
@@ -0,0 +1,7 @@
+//! OS-specific functionality.
+
+#[cfg(unix)]
+pub mod unix;
+
+#[cfg(windows)]
+pub mod windows;
diff --git a/third_party/rust/tokio/src/fs/os/unix/mod.rs b/third_party/rust/tokio/src/fs/os/unix/mod.rs
new file mode 100644
index 0000000000..3b0bec38bd
--- /dev/null
+++ b/third_party/rust/tokio/src/fs/os/unix/mod.rs
@@ -0,0 +1,4 @@
+//! Unix-specific extensions to primitives in the `tokio_fs` module.
+
+mod symlink;
+pub use self::symlink::symlink;
diff --git a/third_party/rust/tokio/src/fs/os/unix/symlink.rs b/third_party/rust/tokio/src/fs/os/unix/symlink.rs
new file mode 100644
index 0000000000..22ece7250f
--- /dev/null
+++ b/third_party/rust/tokio/src/fs/os/unix/symlink.rs
@@ -0,0 +1,18 @@
+use crate::fs::asyncify;
+
+use std::io;
+use std::path::Path;
+
+/// Creates a new symbolic link on the filesystem.
+///
+/// The `dst` path will be a symbolic link pointing to the `src` path.
+///
+/// This is an async version of [`std::os::unix::fs::symlink`][std]
+///
+/// [std]: std::os::unix::fs::symlink
+pub async fn symlink(src: impl AsRef<Path>, dst: impl AsRef<Path>) -> io::Result<()> {
+    let src = src.as_ref().to_owned();
+    let dst = dst.as_ref().to_owned();
+
+    asyncify(move || std::os::unix::fs::symlink(src, dst)).await
+}
diff --git a/third_party/rust/tokio/src/fs/os/windows/mod.rs b/third_party/rust/tokio/src/fs/os/windows/mod.rs
new file mode 100644
index 0000000000..42eb7bdb92
--- /dev/null
+++ b/third_party/rust/tokio/src/fs/os/windows/mod.rs
@@ -0,0 +1,7 @@
+//! Windows-specific extensions for the primitives in the `tokio_fs` module.
+
+mod symlink_dir;
+pub use self::symlink_dir::symlink_dir;
+
+mod symlink_file;
+pub use self::symlink_file::symlink_file;
diff --git a/third_party/rust/tokio/src/fs/os/windows/symlink_dir.rs b/third_party/rust/tokio/src/fs/os/windows/symlink_dir.rs
new file mode 100644
index 0000000000..736e762b48
--- /dev/null
+++ b/third_party/rust/tokio/src/fs/os/windows/symlink_dir.rs
@@ -0,0 +1,19 @@
+use crate::fs::asyncify;
+
+use std::io;
+use std::path::Path;
+
+/// Creates a new directory symlink on the filesystem.
+///
+/// The `dst` path will be a directory symbolic link pointing to the `src`
+/// path.
+///
+/// This is an async version of [`std::os::windows::fs::symlink_dir`][std]
+///
+/// [std]: std::os::windows::fs::symlink_dir
+pub async fn symlink_dir(src: impl AsRef<Path>, dst: impl AsRef<Path>) -> io::Result<()> {
+    let src = src.as_ref().to_owned();
+    let dst = dst.as_ref().to_owned();
+
+    asyncify(move || std::os::windows::fs::symlink_dir(src, dst)).await
+}
diff --git a/third_party/rust/tokio/src/fs/os/windows/symlink_file.rs b/third_party/rust/tokio/src/fs/os/windows/symlink_file.rs
new file mode 100644
index 0000000000..07d8e60419
--- /dev/null
+++ b/third_party/rust/tokio/src/fs/os/windows/symlink_file.rs
@@ -0,0 +1,19 @@
+use crate::fs::asyncify;
+
+use std::io;
+use std::path::Path;
+
+/// Creates a new file symbolic link on the filesystem.
+///
+/// The `dst` path will be a file symbolic link pointing to the `src`
+/// path.
+///
+/// This is an async version of [`std::os::windows::fs::symlink_file`][std]
+///
+/// [std]: std::os::windows::fs::symlink_file
+pub async fn symlink_file(src: impl AsRef<Path>, dst: impl AsRef<Path>) -> io::Result<()> {
+    let src = src.as_ref().to_owned();
+    let dst = dst.as_ref().to_owned();
+
+    asyncify(move || std::os::windows::fs::symlink_file(src, dst)).await
+}