Future Enhancements

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* systemd support

  - Support receiving unix sockets from systemd.

  - Make daemonize() do what's right for systemd.

  - Can we auto-detect systemd?  Maybe the presence of the environment vars

    for the unix sockets?

  - Maintain compatibility with upstart, etc...

* Look into using libnl for netlink

  - Can this be done?  Is it a good idea?

OLD IDEAS

* DBUS support

  - Do we really need DBUS support?  Probably not.

  - Tim says this would be easy to implement.  He mentioned "mced" which

    is similar to acpid and handles DBUS.

    http://code.google.com/p/mcedaemon/

  - Everyone seems to agree that the whole point of acpid is

    to avoid the big desktop stuff, and therefore, this is probably

    not a good idea.

  - However, there are still pieces of those big desktop environments that

    connect to acpid via sockets.  DBUS should be a nicer interface.

  - Implement with a build-time option to turn it on/off?  This way users

    can reduce the dependencies if they want.  Or can we detect the presence 

    of DBUS at runtime?

* Allow socket-connected clients to filter incoming events

  - This might be useful on older laptops that used to generate a slew

    of events. I think that on modern hardware, this is not needed.