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

1 files 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