improvement: Update example

pop-os · Dec 3, 2019 · 66d051e · 66d051e
1 parent 601ff57
commit 66d051e
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Showing 2 changed files with 21 additions and 7 deletions.
diff --git a/README.md b/README.md
@@ -18,17 +18,26 @@ fn main() {
             spawn_sleeper("3", "3"),
             spawn_sleeper("4", "2"),
             spawn_sleeper("5", "1"),
-        ).unwrap();
+        )
+        .unwrap();
     })
 }
 
 async fn spawn_sleeper(id: &str, timeout: &str) -> io::Result<()> {
     println!("started job {}", id);
-    let child = Command::new("/bin/sleep").arg(timeout).spawn().unwrap();
-    PidFd::from(child).await?;
-    println!("finished job {}", id);
+
+    let exit_status = Command::new("/bin/sleep")
+        .arg(timeout)
+        .spawn()
+        .map(|child| PidFd::from(&child))
+        .unwrap()
+        .into_future()
+        .await?;
+
+    println!("finished job {}: {}", id, exit_status);
     Ok(())
 }
+
 ```
 
 ## License

diff --git a/examples/example.rs b/examples/example.rs
@@ -21,10 +21,15 @@ fn main() {
 
 async fn spawn_sleeper(id: &str, timeout: &str) -> io::Result<()> {
     println!("started job {}", id);
-    let child = Command::new("/bin/sleep").arg(timeout).spawn().unwrap();
 
-    PidFd::from(&child).into_future().await?;
+    let exit_status = Command::new("/bin/sleep")
+        .arg(timeout)
+        .spawn()
+        .map(|child| PidFd::from(&child))
+        .unwrap()
+        .into_future()
+        .await?;
 
-    println!("finished job {}", id);
+    println!("finished job {}: {}", id, exit_status);
     Ok(())
 }