From 1da95c287ef3a8732a362106cfa685595807545a Mon Sep 17 00:00:00 2001
From: Keith Morrison <keithm@infused.org>
Date: Fri, 27 Dec 2024 11:27:05 -0800
Subject: [PATCH] thread safety

---
 lib/ziptz.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/ziptz.rb b/lib/ziptz.rb
index 8771d7a..f838771 100644
--- a/lib/ziptz.rb
+++ b/lib/ziptz.rb
@@ -3,11 +3,11 @@
 
 class Ziptz
   def self.instance
-    @instance ||= new
+    Thread.current[:ziptz_instance] ||= new
   end
 
   def db
-    @db ||= begin
+    Thread.current[:ziptz_db] ||= begin
       db = SQLite3::Database.open(tz_data_path)
       db.results_as_hash = true
       db