This simplifies building the log output because it means we don't have
to malloc a buffer to append a newline, and we keep the atomic write
property we're after. It also takes advantage of the C constant string
concatenation which we already require to work to prepend the thread and
pid data.
trouble and into predictable cleanup functions (one for each of serve,
client & control contexts). We use 'fatal' to mean 'kill the thread' and
'error' to mean 'don't kill the thread', assuming some recovery action,
except I don't use error anywhere yet.
If you compile with:
DEBUG=true rake build
then all the commands get a --debug flag as an option which will make
the server dump crazy amounts of data to stderr.
