TODO

   1 TODOS:
   2 --------
   3
   4 * Add --socket option if no HOME found (sessiond)
   5 * Use realloc() in ask_sessiond() (liblttngctl)
   6 * perror() --> PERROR() (everywhere in the code)
   7 * Use lockfree hashtable for tracing session list (session.h/.c)
   8 * Complete lttng ust 2.0 support (all features) (in progress David G. et Mathieu D. - 03/11/2011)
   9 * Add a command to "lttng" to consume data when the tracer is in flightrecorder mode