char ** argv
Copy of argv used during init (may be NULL).
rmw_context_t rmw_context
rmw context.
int64_t argc
Length of argv (may be 0).
rcl_init_options_t init_options
Copy of init options given during init.
rcl_allocator_t allocator
Allocator used during init and shutdown.
Encapsulates the non-global state of an init/shutdown cycle.