Update TODO

More inspiration and courage from the launchd Google Talk video!
Fascinating stuff about replacing init/inetd/cron/watchdogd that
I've been thinking about for ages!

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

TODO.rst

@@ -2,7 +2,35 @@
                                     TODO
 ==============================================================================
 Unsorted TODO list of features and points of investigation that could be
-useful for improving finit.
+useful for improving finit.  But what is an improvement to finit?  Well,
+similiar to launchd, the goal of finit is to be a FAST replacement for:
+
+   * init
+   * inetd
+   * crond
+   * watchdogd
+
+The main goal is to be FAST. Secondary goals are to be: small, simple
+and with a very low dependency to external packages.
+
+Priority
+--------
+The intent of finit is to monitor not just processes, but also to
+be able to supervise the entire system and the behavior of certain
+processes that declare themselves to be finit compliant.
+
+   * Integrate the ingenious libev to handle all events: signals,
+     polling fd's, etc.  Because "Event driven software improves
+     concurrency" -- Dave Zarzycki, Apple.  See the launchd video
+     at http://www.youtube.com/watch?v=cD_s6Fjdri8 for more info!
+   * Add support for process and system supervision.  Which could
+     be an API wrapping, e.g., TIPC and loadavg.
+   * Add support for a /dev/watchdog plugin to replace watchdogd
+   * Integrate watchdog plugin with process/system supervisor to
+     reboot the system when a process stops responding, or when
+     restarting it is imposible, as well as when system load gets
+     too high.
+
 
 Runlevels
 ---------
@@ -11,6 +39,7 @@ Runlevels
      startup at RL 1 and a default run level.
    * Implement initctl stop|start|restart|reload|status <SVC> and
      service <SVC> stop|start|restart|reload|status on top
+   * Add PRE and POST hooks for when changing runlevels
 
 Configuration
 -------------
@@ -20,26 +49,32 @@ Configuration
 
 Services and Tasks
 ------------------
+Both the "task" and "boot" stanzas below are like "service", share the
+same mechanism for registering callbacks.  These callbacks can be used
+to check a configuration db and return 1 (RUN), 2 (STOP), or 3 (RELOAD).
+
    * Add support for "task [RUNLVL] ..." similar to services, but
      one-shot. Needs a trigger/when
+   * Add support for "boot [RUNLVL] ..." similar to services, but
+     waits for completion before continuing with the next line
    * Add support for service/task dependencies
    * Add support for "init list" to show running services
 
 Miscellaneous
 -------------
    * Add support for "init -v,--version | version"
+   * Cleanup move sources from top-level directory to src/ and include/
+   * Make sure to install queue.h to $(PREFIX)/include/finit/queue.h
 
 Documentation
 -------------
-
    * Write man pages for finit and finit.conf, steal from pimd man pages...
    * Update Debian finit.conf example with runlevels, tty/console and
      dependency handling
 
 Investigation
 -------------
-
-   * Investigate FHS changes affecting runtime status etc., see
+   * FHS changes affecting runtime status, plugins, etc., see
      http://askubuntu.com/questions/57297/why-has-var-run-been-migrated-to-run
 
 ..