From bbd0f0e8cbebc23bd396b7abeb4f706c26d32c37 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Sun, 18 Jul 2010 01:59:01 -0700
Subject: [PATCH] Remove Vagrant::Busy class. It will be making a comeback soon
 in a newly invented form.

---
 lib/vagrant/busy.rb       | 79 ---------------------------------------
 test/vagrant/busy_test.rb | 78 --------------------------------------
 2 files changed, 157 deletions(-)
 delete mode 100644 lib/vagrant/busy.rb
 delete mode 100644 test/vagrant/busy_test.rb

diff --git a/lib/vagrant/busy.rb b/lib/vagrant/busy.rb
deleted file mode 100644
index de670b63f..000000000
--- a/lib/vagrant/busy.rb
+++ /dev/null
@@ -1,79 +0,0 @@
-module Vagrant
-  def self.busy?
-    Busy.busy?
-  end
-
-  def self.busy(&block)
-    Busy.busy(&block)
-  end
-
-  class Busy
-    extend Vagrant::Util
-
-    @@busy = false
-    @@mutex = Mutex.new
-    @@trap_thread = nil
-
-    class << self
-      def busy?
-        @@busy
-      end
-
-      def busy=(val)
-        @@busy = val
-      end
-
-      def busy(&block)
-        @@mutex.synchronize do
-          begin
-            Signal.trap("INT") { wait_for_not_busy }
-            Busy.busy = true
-            block.call
-          ensure
-            # In the case an exception is thrown, make sure we restore
-            # busy back to some sane state.
-            Busy.busy = false
-
-            # Make sure that the trap thread completes, if it is running
-            trap_thread.join if trap_thread
-
-            # And restore the INT trap to the default
-            Signal.trap("INT", "DEFAULT")
-          end
-        end
-      end
-
-      def wait_for_not_busy(sleeptime=5)
-        if @@trap_thread
-          # logger.info "Exiting vagrant immediately!"
-          Thread.kill(@@trap_thread)
-          abort
-          return # for tests
-        end
-
-        @@trap_thread ||= Thread.new do
-          # Wait while the app is busy
-          loop do
-            break unless busy?
-            # logger.info "Waiting for vagrant to clean itself up..."
-            sleep sleeptime
-          end
-
-          # Exit out of the entire script
-          # logger.info "Exiting vagrant..."
-          exit
-        end
-      end
-
-      # Used for testing
-      def reset_trap_thread!
-        @@trap_thread = nil
-      end
-
-      # Returns the trap thread
-      def trap_thread
-        @@trap_thread
-      end
-    end
-  end
-end
diff --git a/test/vagrant/busy_test.rb b/test/vagrant/busy_test.rb
deleted file mode 100644
index 3886863ae..000000000
--- a/test/vagrant/busy_test.rb
+++ /dev/null
@@ -1,78 +0,0 @@
-require File.join(File.dirname(__FILE__), '..', 'test_helper')
-
-class BusyTest < Test::Unit::TestCase
-  setup do
-    @klass = Vagrant::Busy
-  end
-
-  context "waiting for not busy" do
-    setup do
-      @klass.reset_trap_thread!
-    end
-
-    should "run in a thread" do
-      Thread.expects(:new).once.returns(nil)
-      @klass.wait_for_not_busy
-    end
-
-    should "immediately exit on second call" do
-      tid = "foo"
-      Thread.expects(:new).once.returns(tid)
-      @klass.wait_for_not_busy
-
-      Thread.expects(:kill).once.with(tid)
-      @klass.expects(:abort).once
-      @klass.wait_for_not_busy
-    end
-  end
-
-  context "during an action in a busy block" do
-    should "report as busy" do
-      Vagrant.busy do
-        # Inside the block Vagrant.busy? should be true
-        assert Vagrant.busy?
-      end
-
-      #After the block finishes Vagrant.busy? should be false
-      assert !Vagrant.busy?
-    end
-
-    should "set busy to false upon exception and reraise the error" do
-      assert_raise Exception do
-        Vagrant.busy do
-          assert Vagrant.busy?
-          raise Exception
-        end
-      end
-
-      assert !Vagrant.busy?
-    end
-
-    should "complete the trap thread even if an exception occurs" do
-      trap_thread = mock("trap_thread")
-      trap_thread.expects(:join).once
-      @klass.stubs(:trap_thread).returns(trap_thread)
-
-      assert_raise Exception do
-        Vagrant.busy do
-          raise Exception
-        end
-      end
-    end
-
-    should "report busy to the outside world regardless of thread" do
-      Thread.new do
-        Vagrant.busy do
-          assert Vagrant.busy?
-        end
-      end
-    end
-
-    should "trap INT" do
-      trap_seq = sequence("trap_seq")
-      Signal.expects(:trap).with("INT", anything).once.in_sequence(trap_seq)
-      Signal.expects(:trap).with("INT", "DEFAULT").once.in_sequence(trap_seq)
-      Vagrant.busy do; end
-    end
-  end
-end