move mutex_created into client_t + error handling for pthread_*_init

Signed-off-by: Mattias Andrée <maandree@operamail.com>
m + release all resources before re-execing

Signed-off-by: Mattias Andrée <maandree@operamail.com>
a much of multicasting stuff

Signed-off-by: Mattias Andrée <maandree@operamail.com>
derp

Signed-off-by: Mattias Andrée <maandree@operamail.com>