process: Move files to their own directory

tokio-process/src/kill.rs

@@ -0,0 +1,13 @@
+use std::io;
+
+/// An interface for killing a running process.
+pub(crate) trait Kill {
+    /// Forcefully kill the process.
+    fn kill(&mut self) -> io::Result<()>;
+}
+
+impl<'a, T: 'a + Kill> Kill for &'a mut T {
+    fn kill(&mut self) -> io::Result<()> {
+        (**self).kill()
+    }
+}