From 22bab3477488d75ffd07f2636463490f0601630c Mon Sep 17 00:00:00 2001
From: Annika Backstrom <annika@sixohthree.com>
Date: Sat, 8 Apr 2017 02:01:12 +0000
Subject: [PATCH] Add improved child process handlers

---
 player.js | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/player.js b/player.js
index 75433c3..2087b08 100644
--- a/player.js
+++ b/player.js
@@ -19,6 +19,19 @@ var template = pug.compileFile(__dirname + '/source/templates/homepage.pug'),
 
 var play_log = [];
 
+function exitHandler(options, err) {
+  console.log('[player] closing children');
+  if (err) console.log(err.stack);
+  tag_reader.kill();
+  player.kill();
+  if (options.exit) {
+    process.exit();
+  }
+}
+
+process.on('exit', exitHandler.bind(null));
+process.on('SIGINT', exitHandler.bind(null, {exit:true}));
+
 tag_reader.on('error', function(err) {
   console.log(`[tag_reader:error] ${err}`);
 });
@@ -27,6 +40,14 @@ player.on('error', function(err) {
   console.log(`[player:error] ${err}`);
 });
 
+tag_reader.on('close', function(code, signal) {
+  console.log(`[tag_reader] process closed:code=${code} signal=${signal}`);
+});
+
+player.on('close', function(code, signal) {
+  console.log(`[mpg321] process closed:code=${code} signal=${signal}`);
+});
+
 // player.stdin.write("GAIN 100");
 
 var last_tag = null;