process: Move files to their own directory

tokio-process/src/bin/cat.rs

@@ -0,0 +1,19 @@
+// A cat-like utility that can be used as a subprocess to test I/O
+// stream communication.
+use std::io;
+use std::io::Write;
+
+fn main() {
+    let stdin = io::stdin();
+    let mut stdout = io::stdout();
+    let mut line = String::new();
+    loop {
+        line.clear();
+        stdin.read_line(&mut line).unwrap();
+        if line.is_empty() {
+            break;
+        }
+        stdout.write_all(line.as_bytes()).unwrap();
+    }
+    stdout.flush().unwrap();
+}

tokio-process/src/bin/exit.rs

@@ -0,0 +1,5 @@
+#[allow(dead_code)]
+
+fn main() {
+    std::process::exit(std::env::args().nth(1).unwrap().parse().unwrap());
+}