diff options
Diffstat (limited to 'erts/emulator/test/code_SUITE.erl')
-rw-r--r-- | erts/emulator/test/code_SUITE.erl | 46 |
1 files changed, 42 insertions, 4 deletions
diff --git a/erts/emulator/test/code_SUITE.erl b/erts/emulator/test/code_SUITE.erl index 34515efa3d..1065b56e19 100644 --- a/erts/emulator/test/code_SUITE.erl +++ b/erts/emulator/test/code_SUITE.erl @@ -66,9 +66,9 @@ versions(Config) when is_list(Config) -> 2 = versions:version(), %% Kill processes, unload code. - P1 ! P2 ! done, _ = monitor(process, P1), _ = monitor(process, P2), + P1 ! P2 ! done, receive {'DOWN',_,process,P1,normal} -> ok end, @@ -645,9 +645,40 @@ constant_pools(Config) when is_list(Config) -> erlang:purge_module(literals), OldHeap ! done, receive - {'EXIT',OldHeap,{A,B,C,[1,2,3|_]=Seq}} when length(Seq) =:= 16 -> - ok - end. + {'EXIT',OldHeap,{A,B,C,[1,2,3|_]=Seq}} when length(Seq) =:= 16 -> + ok + end, + + {module,literals} = erlang:load_module(literals, Code), + %% Have a hibernated process that references the literals + %% in the 'literals' module. + {Hib, Mon} = spawn_monitor(fun() -> hibernated(Self) end), + receive go -> ok end, + [{heap_size,OldHeapSz}, + {total_heap_size,OldTotHeapSz}] = process_info(Hib, [heap_size, + total_heap_size]), + OldHeapSz = OldTotHeapSz, + io:format("OldHeapSz=~p OldTotHeapSz=~p~n", [OldHeapSz, OldTotHeapSz]), + true = erlang:delete_module(literals), + false = erlang:check_process_code(Hib, literals), + erlang:check_process_code(self(), literals), + erlang:purge_module(literals), + receive after 1000 -> ok end, + [{heap_size,HeapSz}, + {total_heap_size,TotHeapSz}] = process_info(Hib, [heap_size, + total_heap_size]), + io:format("HeapSz=~p TotHeapSz=~p~n", [HeapSz, TotHeapSz]), + Hib ! hej, + receive + {'DOWN', Mon, process, Hib, Reason} -> + {undef, [{no_module, + no_function, + [{A,B,C,[1,2,3|_]=Seq}], _}]} = Reason, + 16 = length(Seq) + end, + HeapSz = TotHeapSz, %% Ensure restored to hibernated state... + true = HeapSz > OldHeapSz, + ok. no_old_heap(Parent) -> A = literals:a(), @@ -670,6 +701,13 @@ old_heap(Parent) -> exit(Res) end. +hibernated(Parent) -> + A = literals:a(), + B = literals:b(), + Res = {A,B,literals:huge_bignum(),lists:seq(1, 16)}, + Parent ! go, + erlang:hibernate(no_module, no_function, [Res]). + create_old_heap() -> case process_info(self(), [heap_size,total_heap_size]) of [{heap_size,Sz},{total_heap_size,Total}] when Sz < Total -> |