Add pthread_join_N to Klever library

Author: sim642

src/analyses/libraryFunctions.ml

@@ -1008,6 +1008,7 @@ let rtnl_lock = AddrOf (Cil.var (Cilfacade.create_var (makeGlobalVar "[rtnl_lock
 (** LDV Klever functions. *)
 let klever_descs_list: (string * LibraryDesc.t) list = LibraryDsl.[
     ("pthread_create_N", special [__ "thread" [w]; drop "attr" [r]; __ "start_routine" [s]; __ "arg" []] @@ fun thread start_routine arg -> ThreadCreate { thread; start_routine; arg }); (* TODO: add multiple flag to ThreadCreate *)
+    ("pthread_join_N", special [__ "thread" []; __ "retval" [w]] @@ fun thread retval -> ThreadJoin {thread; ret_var = retval});
     ("ldv_mutex_model_lock", special [__ "lock" []; drop "sign" []] @@ fun lock -> Lock { lock; try_ = get_bool "sem.lock.fail"; write = true; return_on_success = true });
     ("ldv_mutex_model_unlock", special [__ "lock" []; drop "sign" []] @@ fun lock -> Unlock lock);
     ("ldv_spin_model_lock", unknown [drop "sign" []]);