From b40a9475db568d05bf33ab168ed804e3e2091293 Mon Sep 17 00:00:00 2001
From: normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 19 Sep 2017 08:39:22 +0000
Subject: webrick: handle EAGAIN/EWOULDBLOCK on proxy connections

* lib/webrick/httpproxy.rb (do_CONNECT): high-level IO methods
  [ruby-core:82861] [Bug #12130]
  Patch by: Keisuke NISHI

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59965 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/webrick/httpproxy.rb | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/webrick/httpproxy.rb b/lib/webrick/httpproxy.rb
index 083720f298..be5531fec0 100644
--- a/lib/webrick/httpproxy.rb
+++ b/lib/webrick/httpproxy.rb
@@ -193,13 +193,13 @@ module WEBrick
       begin
         while fds = IO::select([ua, os])
           if fds[0].member?(ua)
-            buf = ua.sysread(1024);
+            buf = ua.readpartial(1024);
             @logger.debug("CONNECT: #{buf.bytesize} byte from User-Agent")
-            os.syswrite(buf)
+            os.write(buf)
           elsif fds[0].member?(os)
-            buf = os.sysread(1024);
+            buf = os.readpartial(1024);
             @logger.debug("CONNECT: #{buf.bytesize} byte from #{host}:#{port}")
-            ua.syswrite(buf)
+            ua.write(buf)
           end
         end
       rescue
-- 
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