Remove unnecessary `require 'thread'`

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60139 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

12 files changed, 0 insertions, 14 deletions

diff --git a/sample/drb/dchats.rb b/sample/drb/dchats.rb
index c07f748e99..58af3cf005 100644
--- a/sample/drb/dchats.rb
+++ b/sample/drb/dchats.rb
@@ -2,7 +2,6 @@
  distributed Ruby --- chat server
  	Copyright (c) 1999-2000 Masatoshi SEKI
 =end
-require 'thread'
 require 'drb/drb'
 
 class ChatEntry
diff --git a/sample/drb/dhasen.rb b/sample/drb/dhasen.rb
index 9ab8534588..13ff38940e 100644
--- a/sample/drb/dhasen.rb
+++ b/sample/drb/dhasen.rb
@@ -17,7 +17,6 @@
 
 require 'drb/drb'
 require 'chasen'
-require 'thread'
 
 class Dhasen
   include DRbUndumped
diff --git a/sample/drb/dlogd.rb b/sample/drb/dlogd.rb
index be364511dc..a87e660346 100644
--- a/sample/drb/dlogd.rb
+++ b/sample/drb/dlogd.rb
@@ -4,7 +4,6 @@
 =end
 
 require 'drb/drb'
-require 'thread'
 
 class Logger
   def initialize(fname)
diff --git a/sample/drb/dqueue.rb b/sample/drb/dqueue.rb
index 1a405f5be5..a9afa8c858 100644
--- a/sample/drb/dqueue.rb
+++ b/sample/drb/dqueue.rb
@@ -3,7 +3,6 @@
  	Copyright (c) 1999-2000 Masatoshi SEKI
 =end
 
-require 'thread'
 require 'drb/drb'
 
 DRb.start_service(nil, Thread::Queue.new)
diff --git a/sample/drb/http0serv.rb b/sample/drb/http0serv.rb
index 049f5a1de5..1a58811fed 100644
--- a/sample/drb/http0serv.rb
+++ b/sample/drb/http0serv.rb
@@ -1,7 +1,6 @@
 require 'webrick'
 require 'drb/drb'
 require 'drb/http0'
-require 'thread'
 
 module DRb
   module HTTP0
diff --git a/sample/drb/name.rb b/sample/drb/name.rb
index 30c902b8f7..a8ad28749d 100644
--- a/sample/drb/name.rb
+++ b/sample/drb/name.rb
@@ -35,7 +35,6 @@ How to play.
  | 2
 =end
 
-require 'thread.rb'
 require 'drb/drb'
 
 module DRbNamedObject
diff --git a/sample/drb/old_tuplespace.rb b/sample/drb/old_tuplespace.rb
index 9c10a34527..8be1542c06 100644
--- a/sample/drb/old_tuplespace.rb
+++ b/sample/drb/old_tuplespace.rb
@@ -3,8 +3,6 @@
 # Copyright (c) 1999-2000 Masatoshi SEKI
 # You can redistribute it and/or modify it under the same terms as Ruby.
 
-require 'thread'
-
 class TupleSpace
   class Template
     def initialize(list)
diff --git a/sample/drb/ring_echo.rb b/sample/drb/ring_echo.rb
index 3b743cab8e..c54628b54c 100644
--- a/sample/drb/ring_echo.rb
+++ b/sample/drb/ring_echo.rb
@@ -1,7 +1,6 @@
 require 'drb/drb'
 require 'drb/eq'
 require 'rinda/ring'
-require 'thread'
 
 class RingEcho
   include DRbUndumped
diff --git a/sample/drb/simpletuple.rb b/sample/drb/simpletuple.rb
index bfbd86e665..4bb4b1cff9 100644
--- a/sample/drb/simpletuple.rb
+++ b/sample/drb/simpletuple.rb
@@ -3,8 +3,6 @@
 # Copyright (c) 1999-2000 Masatoshi SEKI
 # You can redistribute it and/or modify it under the same terms as Ruby.
 
-require 'thread'
-
 class SimpleTupleSpace
   def initialize
     @hash = {}
diff --git a/sample/dualstack-httpd.rb b/sample/dualstack-httpd.rb
index a6d4d3a2c2..ab02e17aea 100644
--- a/sample/dualstack-httpd.rb
+++ b/sample/dualstack-httpd.rb
@@ -3,7 +3,6 @@
 # The code demonstrates how a multi-protocol daemon should be written.
 
 require "socket"
-require "thread"
 
 port = 8888
 res = Socket.getaddrinfo(nil, port, nil, Socket::SOCK_STREAM, nil, Socket::AI_PASSIVE)
diff --git a/sample/observ.rb b/sample/observ.rb
index 061e3c6a10..a7ea45271d 100644
--- a/sample/observ.rb
+++ b/sample/observ.rb
@@ -1,6 +1,5 @@
 #! /usr/local/bin/ruby
 
-require "thread"
 require "observer"
 
 class Tick
diff --git a/sample/philos.rb b/sample/philos.rb
index 622e58b4bf..c38aa4a1cc 100644
--- a/sample/philos.rb
+++ b/sample/philos.rb
@@ -1,7 +1,6 @@
 #
 # The Dining Philosophers - thread example
 #
-require "thread"
 
 srand
 #srand