merge revision(s) 62953:

webrick: favor .write over << method

	This will make the next change to use IO.copy_stream
	easier-to-read.  When we can drop Ruby 2.4 support in a few
	years, this will allow us to use writev(2) with multiple
	arguments for headers and chunked responses.

	* lib/webrick/cgi.rb (write): new wrapper method
	  lib/webrick/httpresponse.rb: (send_header): use socket.write
	  (send_body_io): ditto
	  (send_body_string): ditto
	  (send_body_proc): ditto
	  (_write_data): ditto
	  (ChunkedWrapper#write): ditto
	  (_send_file): ditto

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@62988 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/webrick/cgi.rb

@@ -265,6 +265,10 @@ module WEBrick
         @out_port << data
       end
 
+      def write(data)
+        @out_port.write(data)
+      end
+
       def cert
         return nil unless defined?(OpenSSL)
         if pem = @env["SSL_SERVER_CERT"]

lib/webrick/httpresponse.rb

@@ -293,7 +293,7 @@ module WEBrick
           data << "Set-Cookie: " << cookie.to_s << CRLF
         }
         data << CRLF
-        _write_data(socket, data)
+        socket.write(data)
       end
     end
 
@@ -401,13 +401,13 @@ module WEBrick
               @body.readpartial( @buffer_size, buf ) # there is no need to clear buf?
               data << format("%x", buf.bytesize) << CRLF
               data << buf << CRLF
-              _write_data(socket, data)
+              socket.write(data)
               data.clear
               @sent_size += buf.bytesize
             end
           rescue EOFError # do nothing
           end
-          _write_data(socket, "0#{CRLF}#{CRLF}")
+          socket.write("0#{CRLF}#{CRLF}")
         else
           size = @header['content-length'].to_i
           _send_file(socket, @body, 0, size)
@@ -428,13 +428,13 @@ module WEBrick
           data = ""
           data << format("%x", buf.bytesize) << CRLF
           data << buf << CRLF
-          _write_data(socket, data)
+          socket.write(data)
           @sent_size += buf.bytesize
         end
-        _write_data(socket, "0#{CRLF}#{CRLF}")
+        socket.write("0#{CRLF}#{CRLF}")
       else
         if @body && @body.bytesize > 0
-          _write_data(socket, @body)
+          socket.write(@body)
           @sent_size = @body.bytesize
         end
       end
@@ -449,18 +449,19 @@ module WEBrick
 
       if size == 0
         while buf = input.read(@buffer_size)
-          _write_data(output, buf)
+          output.write(buf)
         end
       else
         while size > 0
           sz = @buffer_size < size ? @buffer_size : size
           buf = input.read(sz)
-          _write_data(output, buf)
+          output.write(buf)
           size -= buf.bytesize
         end
       end
     end
 
+    # preserved for compatibility with some 3rd-party handlers
     def _write_data(socket, data)
       socket << data
     end

version.h

@@ -1,10 +1,10 @@
 #define RUBY_VERSION "2.4.4"
-#define RUBY_RELEASE_DATE "2018-03-25"
-#define RUBY_PATCHLEVEL 288
+#define RUBY_RELEASE_DATE "2018-03-28"
+#define RUBY_PATCHLEVEL 289
 
 #define RUBY_RELEASE_YEAR 2018
 #define RUBY_RELEASE_MONTH 3
-#define RUBY_RELEASE_DAY 25
+#define RUBY_RELEASE_DAY 28
 
 #include "ruby/version.h"