threading: store thread module flags in threadvars

src/threadvars.h

@@ -71,6 +71,9 @@ typedef struct ThreadVars_ {
     /** no of times the thread has been restarted on failure */
     uint8_t restarted;
 
+    /** TmModule::flags for each module part of this thread */
+    uint8_t tmm_flags;
+
     /** local id */
     int id;
 

src/tm-threads.c

@@ -730,6 +730,7 @@ static inline TmSlot * _TmSlotSetFuncAppend(ThreadVars *tv, TmModule *tm, void *
      * received a TM as arg, if it didn't exist */
     slot->tm_id = TmModuleGetIDForTM(tm);
 
+    tv->tmm_flags |= tm->flags;
     tv->cap_flags |= tm->cap_flags;
 
     if (tv->tm_slots == NULL) {