Remove unnecessary `require 'thread'`

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

18 files changed, 0 insertions, 24 deletions

diff --git a/lib/drb/drb.rb b/lib/drb/drb.rb
index 38cb38563b..1d654b3c9f 100644
--- a/lib/drb/drb.rb
+++ b/lib/drb/drb.rb
@@ -47,7 +47,6 @@
 #   Translation of presentation on Ruby by Masatoshi Seki.
 
 require 'socket'
-require 'thread'
 require 'io/wait'
 require 'drb/eq'
 
diff --git a/lib/drb/extservm.rb b/lib/drb/extservm.rb
index 7e70a3cd82..5d779f51f5 100644
--- a/lib/drb/extservm.rb
+++ b/lib/drb/extservm.rb
@@ -5,7 +5,6 @@
 =end
 
 require 'drb/drb'
-require 'thread'
 require 'monitor'
 
 module DRb
diff --git a/lib/irb/ext/multi-irb.rb b/lib/irb/ext/multi-irb.rb
index 982a319611..28d6fba832 100644
--- a/lib/irb/ext/multi-irb.rb
+++ b/lib/irb/ext/multi-irb.rb
@@ -10,7 +10,6 @@
 #
 #
 IRB.fail CantShiftToMultiIrbMode unless defined?(Thread)
-require "thread"
 
 module IRB
   class JobManager
diff --git a/lib/irb/workspace.rb b/lib/irb/workspace.rb
index 16f714d66e..9051f96df0 100644
--- a/lib/irb/workspace.rb
+++ b/lib/irb/workspace.rb
@@ -39,8 +39,6 @@ EOF
 
         when 2	# binding in loaded file(thread use)
           unless defined? BINDING_QUEUE
-            require "thread"
-
             IRB.const_set(:BINDING_QUEUE, Thread::SizedQueue.new(1))
             Thread.abort_on_exception = true
             Thread.start do
diff --git a/lib/monitor.rb b/lib/monitor.rb
index cbc1a13a21..288ed755ea 100644
--- a/lib/monitor.rb
+++ b/lib/monitor.rb
@@ -7,8 +7,6 @@
 # You can freely distribute/modify this library.
 #
 
-require 'thread'
-
 #
 # In concurrent programming, a monitor is an object or module intended to be
 # used safely by more than one thread.  The defining characteristic of a
diff --git a/lib/mutex_m.rb b/lib/mutex_m.rb
index a8472f1582..592e3842c8 100644
--- a/lib/mutex_m.rb
+++ b/lib/mutex_m.rb
@@ -10,9 +10,6 @@
 #
 # --
 
-
-require 'thread'
-
 # = mutex_m.rb
 #
 # When 'mutex_m' is required, any object that extends or includes Mutex_m will
diff --git a/lib/rinda/rinda.rb b/lib/rinda/rinda.rb
index 36c3503aa8..e762286d3b 100644
--- a/lib/rinda/rinda.rb
+++ b/lib/rinda/rinda.rb
@@ -1,6 +1,5 @@
 # frozen_string_literal: false
 require 'drb/drb'
-require 'thread'
 
 ##
 # A module to implement the Linda distributed computing paradigm in Ruby.
diff --git a/lib/rinda/ring.rb b/lib/rinda/ring.rb
index d82ecabfcc..34dc245122 100644
--- a/lib/rinda/ring.rb
+++ b/lib/rinda/ring.rb
@@ -4,7 +4,6 @@
 #
 require 'drb/drb'
 require 'rinda/rinda'
-require 'thread'
 require 'ipaddr'
 
 module Rinda
diff --git a/lib/rinda/tuplespace.rb b/lib/rinda/tuplespace.rb
index 3ce8d2984f..47860bc8ae 100644
--- a/lib/rinda/tuplespace.rb
+++ b/lib/rinda/tuplespace.rb
@@ -1,6 +1,5 @@
 # frozen_string_literal: false
 require 'monitor'
-require 'thread'
 require 'drb/drb'
 require 'rinda/rinda'
 require 'forwardable'
diff --git a/lib/shell/command-processor.rb b/lib/shell/command-processor.rb
index 32c461e8b3..b52cb0043f 100644
--- a/lib/shell/command-processor.rb
+++ b/lib/shell/command-processor.rb
@@ -11,7 +11,6 @@
 #
 
 require "e2mmap"
-require "thread"
 
 require "shell/error"
 require "shell/filter"
diff --git a/lib/shell/process-controller.rb b/lib/shell/process-controller.rb
index 7e5bb505c9..d54da68cb0 100644
--- a/lib/shell/process-controller.rb
+++ b/lib/shell/process-controller.rb
@@ -10,8 +10,6 @@
 #
 #
 require "forwardable"
-
-require "thread"
 require "sync"
 
 class Shell
diff --git a/lib/singleton.rb b/lib/singleton.rb
index deb0f52cd6..368febc74d 100644
--- a/lib/singleton.rb
+++ b/lib/singleton.rb
@@ -1,5 +1,4 @@
 # frozen_string_literal: false
-require 'thread'
 
 # The Singleton module implements the Singleton pattern.
 #
diff --git a/lib/thwait.rb b/lib/thwait.rb
index 239915baef..8f9e0c2a78 100644
--- a/lib/thwait.rb
+++ b/lib/thwait.rb
@@ -5,7 +5,6 @@
 #       $Revision: 1.3 $
 #       by Keiju ISHITSUKA(Nihon Rational Software Co.,Ltd.)
 
-require "thread.rb"
 require "e2mmap.rb"
 
 #
diff --git a/lib/tracer.rb b/lib/tracer.rb
index 24a5313f4c..faafd803f4 100644
--- a/lib/tracer.rb
+++ b/lib/tracer.rb
@@ -2,7 +2,6 @@
 #--
 # $Release Version: 0.3$
 # $Revision: 1.12 $
-require "thread"
 
 ##
 # Outputs a source level execution trace of a Ruby program.
diff --git a/lib/webrick/httpservlet/abstract.rb b/lib/webrick/httpservlet/abstract.rb
index ee558eb026..fc4cd2275a 100644
--- a/lib/webrick/httpservlet/abstract.rb
+++ b/lib/webrick/httpservlet/abstract.rb
@@ -9,8 +9,6 @@
 #
 # $IPR: abstract.rb,v 1.24 2003/07/11 11:16:46 gotoyuzo Exp $
 
-require 'thread'
-
 require 'webrick/htmlutils'
 require 'webrick/httputils'
 require 'webrick/httpstatus'
diff --git a/lib/webrick/httpservlet/filehandler.rb b/lib/webrick/httpservlet/filehandler.rb
index cf37dd6ca5..3ea1eec7d0 100644
--- a/lib/webrick/httpservlet/filehandler.rb
+++ b/lib/webrick/httpservlet/filehandler.rb
@@ -9,7 +9,6 @@
 #
 # $IPR: filehandler.rb,v 1.44 2003/06/07 01:34:51 gotoyuzo Exp $
 
-require 'thread'
 require 'time'
 
 require 'webrick/htmlutils'
diff --git a/lib/webrick/server.rb b/lib/webrick/server.rb
index 00fa3b16db..fad53469c0 100644
--- a/lib/webrick/server.rb
+++ b/lib/webrick/server.rb
@@ -9,7 +9,6 @@
 #
 # $IPR: server.rb,v 1.62 2003/07/22 19:20:43 gotoyuzo Exp $
 
-require 'thread'
 require 'socket'
 require 'webrick/config'
 require 'webrick/log'
diff --git a/lib/webrick/utils.rb b/lib/webrick/utils.rb
index 8b34b6654f..68833af96e 100644
--- a/lib/webrick/utils.rb
+++ b/lib/webrick/utils.rb
@@ -91,7 +91,6 @@ module WEBrick
 
     ###########
 
-    require "thread"
     require "timeout"
     require "singleton"