added cosmoM_addRoot & cosmoM_removeRoot

src/cstate.h

@@ -32,6 +32,7 @@ typedef struct CState {
     bool panic;
     int freezeGC; // when > 0, GC events will be ignored (for internal use)
     CObj *objects; // tracks all of our allocated objects
+    CObj *userRoots; // user definable roots, this holds CObjs that should be considered "roots", lets the VM know you are holding a reference to a CObj in your code
     ArrayCObj grayStack; // keeps track of which objects *haven't yet* been traversed in our GC, but *have been* found
     size_t allocatedBytes;
     size_t nextGC; // when allocatedBytes reaches this threshhold, trigger a GC event