Progress: controller program.

Progress: controller program.

Wrap all print functions that print while any threading is in used with a mutex lock.

Add controller_execute_set_t to shorten the execute function arguments.

Add missing f_gcc_attribute_visibility_internal.

The controller_rule_read() inside of entry does not need to be read locked.
This operation happens before any threads are started.

Replace simulate argument with options argument for execute functions.

Add more verbose output in the simulation for the execute operations.