Linux support work fine now, don't loop more one time on same test.

lib/guard/listeners/linux.rb

@@ -3,6 +3,8 @@ module Guard
     attr_reader :inotify, :files, :latency, :callback
 
     def initialize
+      super
+
       @inotify = INotify::Notifier.new
       @files   = []
       @latency = 0.5
@@ -20,12 +22,12 @@ module Guard
 
     def start
       @stop = false
-      watch_change
+      watch_change unless @watch_change
     end
 
     def stop
       @stop = true
-      inotify.stop
+      sleep latency
     end
 
     def self.usable?
@@ -44,18 +46,24 @@ module Guard
   private
 
     def watch_change
+      @watch_change = true
       while !@stop
         if Config::CONFIG['build'] =~ /java/ || IO.select([inotify.to_io], [], [], latency)
+          break if @stop
+
           inotify.process
+          update_last_event
 
           unless files.empty?
             files.map! { |file| file.gsub("#{Dir.pwd}/", '') }
-            callback.call(files)
+            callback.call(files.dup)
             files.clear
           end
+
           sleep latency unless @stop
         end
       end
+      @watch_change = false
     end
 
   end

spec/guard/listeners/linux_spec.rb

@@ -15,6 +15,25 @@ describe Guard::Linux do
       subject.should be_usable
     end
 
+    describe "start" do
+      before(:each) do
+        @listener = Guard::Linux.new
+      end
+      
+      it "call watch_change" do
+        @listener.should_receive(:watch_change)
+        start
+      end
+
+      it "don't call watch_change if re start after stop" do
+        start
+        stop
+        @listener.should_not_receive(:watch_change)
+        start
+      end
+
+    end
+    
     describe "watch" do
       before(:each) do
         @results = []
@@ -54,6 +73,15 @@ describe Guard::Linux do
         stop
         @results.should == ['spec/fixtures/folder1/file1.txt', 'spec/fixtures/folder1/folder2/file2.txt']
       end
+
+      it "should not process change if stopped" do
+        file = @fixture_path.join("folder1/file1.txt")
+        File.exists?(file).should be_true
+        start
+        @listener.inotify.should_not_receive(:process)
+        stop
+        File.open(file, 'w') {|f| f.write('') }
+      end
     end
   end