comments

src/apps.rs

@@ -53,31 +53,44 @@ impl Apps {
 		self.apps.clone()
 	}
 
+	/// start all the apps
 	pub fn start(&self) -> (Vec<Proc>, Option<i8>, Poll) {
+		// the managed processes
 		let mut procs: Vec<Proc> = Vec::new();
+
+		// number of things to hold on
 		let mut holds: Option<i8> = None;
 
+		// this should be changed to not unwrap
 		let poll = Poll::new().unwrap();
 
 		for app in self.apps() {
+			// app needs to be waited on before starting the next one
 			if app.wait.unwrap_or(false) {
 				if let Err(e) = app.wait_start() {
 					error!("[{}] failed to start: {:?}", &app.name.yellow(), e);
 				}
-			} else {
+			}
+			// app can go in the background
+			else {
 				let name = app.name.clone();
+
 				match Proc::start(app) {
 					Ok(proc) => {
+						// see if we need to hold on this app
 						if proc.app.hold.unwrap_or(false) {
 							holds = Some(holds.unwrap_or(0) + 1);
 						}
+
+						// register the app to poll the status
 						poll.register(
 							&proc.process,
 							proc.token,
 							Ready::readable(),
 							PollOpt::edge(),
 						)
-						.unwrap();
+						.unwrap(); // gotta get rid of this unwrap
+
 						procs.push(proc);
 					}
 					Err(e) => {