From a6713a5758da2698c0633a658d7bdf77d940c9af Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Thu, 11 Jun 2020 13:18:28 +0900
Subject: [PATCH] Refined ioctl error description

---
 spec/ruby/core/io/ioctl_spec.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/spec/ruby/core/io/ioctl_spec.rb b/spec/ruby/core/io/ioctl_spec.rb
index e819a217a8..8dcd9eb2c6 100644
--- a/spec/ruby/core/io/ioctl_spec.rb
+++ b/spec/ruby/core/io/ioctl_spec.rb
@@ -20,12 +20,12 @@ describe "IO#ioctl" do
       end
     end
 
-    it "raises an Errno error when ioctl fails" do
+    it "raises a system call error when ioctl fails" do
       File.open(__FILE__, 'r') do |f|
         -> {
           # TIOCGWINSZ in /usr/include/asm-generic/ioctls.h
           f.ioctl 0x5413, nil
-        }.should raise_error(Errno::ENOTTY)
+        }.should raise_error(SystemCallError)
       end
     end
   end