From e60aa1f9e8c2530c8eef6a0d028ee7239cd1fe11 Mon Sep 17 00:00:00 2001
From: mucha55 <przemyslaw.mucha@55places.com>
Date: Tue, 14 Jan 2020 09:56:18 -0600
Subject: [PATCH] KOJO-178 | Guard against full process pool when Root is
 polling singletons

---
 src/Process/Root.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Process/Root.php b/src/Process/Root.php
index 41d65026..c5f08663 100644
--- a/src/Process/Root.php
+++ b/src/Process/Root.php
@@ -43,7 +43,9 @@ protected function pollSingletonProcesses() : Root
             if ($semaphoreResource->testLock()) {
                 try {
                     $process = $this->_getProcessCollection()->getProcessPrototypeClone($singletonType);
-                    $this->_getProcessPool()->addChildProcess($process);
+                    if (!$this->_getProcessPool()->isFull()) {
+                        $this->_getProcessPool()->addChildProcess($process);
+                    }
                 } catch (Forked\Exception $forkedException) {
                     // this is fine, another execution environment will spawn this process
                     // TODO: consider breaking here to stop attempting to spawn other singletons