1 files changed, 62 insertions, 26 deletions
diff --git a/shell/samples/os.fork.js b/shell/samples/os.fork.js
index debdebcc..5833fdc4 100644
--- a/shell/samples/os.fork.js
+++ b/shell/samples/os.fork.js
@@ -1,30 +1,66 @@
-igt.os.fork('hello', print).wait();
-
-igt.os.fork([ {delay: 1, msg:'goodbye' }, {delay:0, msg:'world'} ],
-	function(x) { igt.os.sleep(x.delay); print(x.msg) }).wait();
-
-var job = igt.os.fork('', function(x) { igt.os.exit(1); igt.os.sleep(999); });
-print('Exitcode = ' + job.wait());
-
-job = igt.os.fork();
-if (job) {
-  print("Parent shall wait for its child!");
-  job.wait();
-} else {
-  print("The child wants to play!");
-  for (var x = 0; x < 10; x++) {
-    print("Play " + x);
-    igt.os.sleep(0.1);
+import console from '../lib/console';
+import { range } from '../lib/util';
+
+const { fork, sleep, exit } = igt.os;
+
+{
+  fork('hello', console.log).wait();
+}
+
+{
+  const children = [
+    {
+      delay: 1,
+      msg: 'goodbye',
+    },
+    {
+      delay: 0,
+      msg: 'world',
+    },
+  ];
+
+  const childrenMain = ({ delay, msg }) => {
+    sleep(delay);
+    console.log(msg);
+  };
+
+  fork(children, childrenMain).wait();
+
+  {
+    const job = fork('', () => {
+      exit(1);
+      sleep(999);
+    });
+    console.log('Exitcode = %d', job.wait());
   }
-  print("Tired now!");
-  igt.os.exit(0);
 }
-print("Only parents allowed after children sleep, exitcode:", job.result);
 
-job = igt.os.fork();
-if (job) {
-  print("No Mr Bond, I expect you to", job.wait());
-} else {
-  badwolf();
+{
+  const job = fork();
+  if (job) {
+    console.log('Parent shall wait for its child!');
+    job.wait();
+  } else {
+    console.log('The child wants to play!');
+    for (const i of range(0, 10)) {
+      console.log('Play ' + i);
+      sleep(0.1);
+    }
+    console.log('Tired now!');
+    exit(0);
+  }
+  console.log(
+    'Only parents allowed after children sleep, exitcode: %d',
+    job.result,
+  );
+}
+
+{
+  const job = fork();
+  if (job) {
+    console.log('No Mr Bond, I expect you to', job.wait());
+  } else {
+    badwolf();
+  }
+  console.log('Onwards, all by myself.');
 }
-print("Onwards, all by myself.");