diff options
Diffstat (limited to 'erts/preloaded/src/erts_code_purger.erl')
| -rw-r--r-- | erts/preloaded/src/erts_code_purger.erl | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/erts/preloaded/src/erts_code_purger.erl b/erts/preloaded/src/erts_code_purger.erl index ee4fcedd2d..28d71fd07e 100644 --- a/erts/preloaded/src/erts_code_purger.erl +++ b/erts/preloaded/src/erts_code_purger.erl @@ -22,7 +22,8 @@ %% Purpose : Implement system process erts_code_purger %% to handle code module purging. --export([start/0, purge/1, soft_purge/1, pending_purge_lambda/3]). +-export([start/0, purge/1, soft_purge/1, pending_purge_lambda/3, + finish_after_on_load/2]). -spec start() -> term(). start() -> @@ -40,6 +41,11 @@ loop() -> Res = do_soft_purge(Mod), From ! {reply, soft_purge, Res, Ref}; + {finish_after_on_load,{Mod,Keep},From,Ref} + when is_atom(Mod), is_pid(From) -> + Res = do_finish_after_on_load(Mod, Keep), + From ! {reply, finish_after_on_load, Res, Ref}; + {test_purge, Mod, From, Type, Ref} when is_atom(Mod), is_pid(From) -> do_test_purge(Mod, From, Type, Ref); @@ -129,6 +135,35 @@ do_soft_purge(Mod) -> end) end. +%% finish_after_on_load(Module, Keep) +%% Finish after running on_load function. If Keep is false, +%% purge the code for the on_load function. + +finish_after_on_load(Mod, Keep) -> + Ref = make_ref(), + erts_code_purger ! {finish_after_on_load, {Mod,Keep}, self(), Ref}, + receive + {reply, finish_after_on_load, Result, Ref} -> + Result + end. + +do_finish_after_on_load(Mod, Keep) -> + erlang:finish_after_on_load(Mod, Keep), + case Keep of + true -> + ok; + false -> + case erts_internal:purge_module(Mod, prepare_on_load) of + false -> + true; + true -> + _ = check_proc_code(erlang:processes(), Mod, true), + true = erts_internal:purge_module(Mod, complete) + end + end. + + + %% %% check_proc_code(Pids, Mod, Hard) - Send asynchronous %% requests to all processes to perform a check_process_code |