--- ./jdk/src/solaris/classes/sun/nio/fs/BsdFileSystem.java.orig 2018-12-13 14:23:02.834223000 +0100 +++ ./jdk/src/solaris/classes/sun/nio/fs/BsdFileSystem.java 2018-12-13 17:34:09.359192000 +0100 @@ -45,8 +45,10 @@ public WatchService newWatchService() throws IOException { - // use polling implementation until we implement a BSD/kqueue one - return new PollingWatchService(); + if (System.getProperty("sun.nio.fs.watchservice", "").equals("polling")) + return new PollingWatchService(); + else + return new LinuxWatchService(this); // use the linux inotify implementation that wraps the kqueue calls } // lazy initialization of the list of supported attribute views