From f7a4da6522c14d258c1474fee7592c90e72b7b33 Mon Sep 17 00:00:00 2001
From: ksss <co000ri@gmail.com>
Date: Wed, 25 Jun 2025 23:01:31 +0900
Subject: [PATCH] Add signature for `IO::TimeoutError`

---
 core/io.rbs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/core/io.rbs b/core/io.rbs
index ee955cbd6..298276138 100644
--- a/core/io.rbs
+++ b/core/io.rbs
@@ -3404,3 +3404,9 @@ end
 #
 module IO::WaitWritable
 end
+
+# <!-- rdoc-file=io.c -->
+# Can be raised by IO operations when IO#timeout= is set.
+#
+class IO::TimeoutError < IOError
+end