lib/fusuma/libinput_command.rb in fusuma-2.0.0.pre vs lib/fusuma/libinput_command.rb in fusuma-2.0.0.pre2

@@ -28,27 +28,27 @@
       # versiom_command prints "1.6.3\n"
       @version ||= `#{version_command}`.strip
     end
 
     # @yieldparam [String] gives a line in libinput list-devices output to the block
-    def list_devices
+    def list_devices(&block)
       cmd = list_devices_command
       MultiLogger.debug(list_devices: cmd)
       p, i, o, e = POSIX::Spawn.popen4(cmd)
       i.close
-      o.each { |line| yield(line) }
+      o.each(&block)
     ensure
       [i, o, e].each { |io| io.close unless io.closed? }
       Process.waitpid(p)
     end
 
-    # @return [String] return a latest line libinput debug-events
+    # @return [Integer, IO] return a latest line libinput debug-events
     def debug_events
-      @debug_events ||= begin
-                          _p, i, o, _e = POSIX::Spawn.popen4(debug_events_with_options)
-                          i.close
-                          o
-                        end
+      @debug_events = begin
+        p, i, o, _e = POSIX::Spawn.popen4(debug_events_with_options)
+        i.close
+        [p, o]
+      end
     end
 
     # @return [String] command
     # @raise [SystemExit]
     def version_command