Comments only (forgot to commit to enclaves3 before merging)

core/utils/util.c

@@ -53,6 +53,10 @@ THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 /** Number of nanoseconds to sleep before retrying a socket read. */
 #define SOCKET_READ_RETRY_INTERVAL 1000000
 
+/**
+ * The ID of this federate. For a non-federated execution, this will be -1. 
+ * For a federated execution, it will be assigned in the generated code.
+ */
 int _lf_my_fed_id = -1;
 
 /**

test/src_gen_stub.c

@@ -2,6 +2,13 @@
 #include "tag.h"
 #include "environment.h"
 
+/**
+ * This file enables unit tests to run without there having been an actual code generation
+ * from a Lingua Franca program. It defines (mostly empty) functions that would normally be
+ * code generated. Of course, this strategy will only work for tests that do not actually
+ * need functional versions of these functions.
+ */
+
 environment_t _env;
 
 void _lf_initialize_trigger_objects() {}