new interface to access globals. They are not in a file called GLOBALS, from which

we generate several files automatically.

C/c_interface.c

@@ -2368,8 +2368,8 @@ YAP_Init(YAP_init_args *yap_init)
   }
 #if THREADS
   /* don't forget this is a thread */
-  ThreadHandle[worker_id].stack_address =  Yap_GlobalBase;
-  ThreadHandle[worker_id].ssize =  Trail+Stack;
+  MY_ThreadHandle.stack_address =  Yap_GlobalBase;
+  MY_ThreadHandle.ssize =  Trail+Stack;
 #endif
 #endif
   Yap_AllowGlobalExpansion = TRUE;
@@ -2414,6 +2414,8 @@ YAP_Init(YAP_init_args *yap_init)
   }
   yap_flags[FAST_BOOT_FLAG] = yap_init->FastBoot;
 #if defined(YAPOR) || defined(TABLING)
+  /* make sure we initialise this field */
+  GLOBAL_root_dep_fr = NULL;
   make_root_frames();
 #ifdef YAPOR
   init_workers();