From 7416d0b4887aa57aa67e0b3461f0012ddef91cfa Mon Sep 17 00:00:00 2001
From: Samuel Williams <samuel.williams@oriontransfer.co.nz>
Date: Sat, 11 Dec 2021 18:18:15 +1300
Subject: [PATCH] Prefer wait_readable for fiber scheduler.

---
 lib/reline/ansi.rb       | 2 +-
 lib/reline/general_io.rb | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/reline/ansi.rb b/lib/reline/ansi.rb
index c7c1eaf133..65e0021fa4 100644
--- a/lib/reline/ansi.rb
+++ b/lib/reline/ansi.rb
@@ -147,7 +147,7 @@ def self.inner_getc
     unless @@buf.empty?
       return @@buf.shift
     end
-    until c = @@input.raw(intr: true) { select([@@input], [], [], 0.1) && @@input.getbyte }
+    until c = @@input.raw(intr: true) { @@input.wait_readable(0.1) && @@input.getbyte }
       Reline.core.line_editor.resize
     end
     (c == 0x16 && @@input.raw(min: 0, tim: 0, &:getbyte)) || c
diff --git a/lib/reline/general_io.rb b/lib/reline/general_io.rb
index 5df346882a..3fafad5c6e 100644
--- a/lib/reline/general_io.rb
+++ b/lib/reline/general_io.rb
@@ -1,4 +1,5 @@
 require 'timeout'
+require 'io/wait'
 
 class Reline::GeneralIO
   def self.reset(encoding: nil)
@@ -36,7 +37,7 @@ def self.getc
     end
     c = nil
     loop do
-      result = select([@@input], [], [], 0.1)
+      result = @@input.wait_readable(0.1)
       next if result.nil?
       c = @@input.read(1)
       break