From 5fc2d976091f3ea8f76f37939031e57b1953b19c Mon Sep 17 00:00:00 2001
From: Iuri Matias <iuri.matias@gmail.com>
Date: Sat, 25 Feb 2017 22:39:40 -0500
Subject: [PATCH] fix so child process doesn't hang some cmds

---
 lib/contracts/solcP.js | 4 ++++
 lib/contracts/solcW.js | 5 +++--
 lib/index.js           | 5 +++--
 3 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/lib/contracts/solcP.js b/lib/contracts/solcP.js
index 257579f6..2332091f 100644
--- a/lib/contracts/solcP.js
+++ b/lib/contracts/solcP.js
@@ -12,3 +12,7 @@ process.on('message', function(msg) {
   }
 });
 
+process.on('exit', function() {
+  process.exit(0);
+});
+
diff --git a/lib/contracts/solcW.js b/lib/contracts/solcW.js
index 8c9b0523..a3c9c33a 100644
--- a/lib/contracts/solcW.js
+++ b/lib/contracts/solcW.js
@@ -1,4 +1,4 @@
-var solcProcess = require('child_process').fork(__dirname + '/solcP.js');
+var solcProcess;
 var compilerLoaded = false;
 
 var SolcW = function() {
@@ -6,6 +6,7 @@ var SolcW = function() {
 
 SolcW.prototype.load_compiler = function(done) {
   if (compilerLoaded) { done(); }
+  solcProcess = require('child_process').fork(__dirname + '/solcP.js');
   solcProcess.once('message', function(msg) {
     if (msg.result !== 'loadedCompiler') {
       return;
@@ -18,7 +19,7 @@ SolcW.prototype.load_compiler = function(done) {
 
 SolcW.prototype.isCompilerLoaded = function() {
   return (compilerLoaded === true);
-}
+};
 
 SolcW.prototype.compile = function(obj, optimize, done) {
   solcProcess.once('message', function(msg) {
diff --git a/lib/index.js b/lib/index.js
index aa64a034..1123922d 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -238,13 +238,14 @@ var Embark = {
         pipeline.build(abi);
         callback();
       }
-
     ], function(err, result) {
       if (err) {
         self.logger.error(err.message);
       } else {
-        self.logger.trace("finished".underline);
+        self.logger.info("finished building".underline);
       }
+      // needed due to child processes
+      process.exit();
     });
   },