From 65d71c352656feafdf4e326d5671b0fb5e09fa88 Mon Sep 17 00:00:00 2001
From: Aaron Piotrowski <aaron@trowski.com>
Date: Fri, 4 Jan 2019 16:46:53 -0600
Subject: [PATCH] Check for resolution of promise in process-runner.php

---
 lib/Context/Internal/process-runner.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/Context/Internal/process-runner.php b/lib/Context/Internal/process-runner.php
index d1693b4..00b951e 100644
--- a/lib/Context/Internal/process-runner.php
+++ b/lib/Context/Internal/process-runner.php
@@ -33,7 +33,7 @@ if (\function_exists("cli_set_process_title")) {
     require $autoloadPath;
 })();
 
-Loop::run(function () use ($argc, $argv) {
+Loop::run(function () use (&$result, $argc, $argv) {
     // Remove this scripts path from process arguments.
     --$argc;
     \array_shift($argv);
@@ -106,3 +106,8 @@ Loop::run(function () use ($argc, $argv) {
         exit(1);
     }
 });
+
+if ($result === null) {
+    \trigger_error("The script did not resolve the promise returned from the callable function", E_USER_ERROR);
+    exit(1);
+}