From d9927162a3f17f025bad593fc7a7a1b253719244 Mon Sep 17 00:00:00 2001
From: "Jacob Vosmaer (GitLab)" <jacob@gitlab.com>
Date: Tue, 23 Jan 2018 13:32:15 +0000
Subject: [PATCH] Prevent Unicorn crashing in development on macOS

---
 config/unicorn.rb.example.development | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/config/unicorn.rb.example.development b/config/unicorn.rb.example.development
index 3cd00d53a15..0df028648d1 100644
--- a/config/unicorn.rb.example.development
+++ b/config/unicorn.rb.example.development
@@ -1,2 +1,15 @@
 worker_processes 2
 timeout 60
+
+before_fork do |server, worker|
+  if /darwin/ =~ RUBY_PLATFORM
+    require 'fiddle'
+
+    # Dynamically load Foundation.framework, ~implicitly~ initialising
+    # the Objective-C runtime before any forking happens in Unicorn
+    #
+    # From https://bugs.ruby-lang.org/issues/14009
+    Fiddle.dlopen '/System/Library/Frameworks/Foundation.framework/Foundation'
+  end
+end
+