From e788481843d71030bd5dfee28fd0fc22dcae2f97 Mon Sep 17 00:00:00 2001
From: Samuel Williams <samuel.williams@oriontransfer.co.nz>
Date: Wed, 23 Jun 2021 19:44:46 +1200
Subject: [ruby/reline] Avoid using blocking `IO.select`.

https://github.com/ruby/reline/commit/de94746393
---
 lib/reline/ansi.rb | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

(limited to 'lib/reline')

diff --git a/lib/reline/ansi.rb b/lib/reline/ansi.rb
index bbb0623b16..c7c74ccb90 100644
--- a/lib/reline/ansi.rb
+++ b/lib/reline/ansi.rb
@@ -183,12 +183,7 @@ class Reline::ANSI
     unless @@buf.empty?
       return false
     end
-    rs, = IO.select([@@input], [], [], 0.00001)
-    if rs and rs[0]
-      false
-    else
-      true
-    end
+    !@@input.wait_readable(0)
   end
 
   def self.ungetc(c)
@@ -197,8 +192,7 @@ class Reline::ANSI
 
   def self.retrieve_keybuffer
     begin
-      result = select([@@input], [], [], 0.001)
-      return if result.nil?
+      return unless @@input.wait_readable(0.001)
       str = @@input.read_nonblock(1024)
       str.bytes.each do |c|
         @@buf.push(c)
-- 
cgit v1.2.3