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-rw-r--r--erts/preloaded/src/erl_prim_loader.erl16
1 files changed, 13 insertions, 3 deletions
diff --git a/erts/preloaded/src/erl_prim_loader.erl b/erts/preloaded/src/erl_prim_loader.erl
index d36fdeba3f..7490954f2d 100644
--- a/erts/preloaded/src/erl_prim_loader.erl
+++ b/erts/preloaded/src/erl_prim_loader.erl
@@ -149,8 +149,18 @@ start_it("inet", Id, Pid, Hosts) ->
start_it("efile", Id, Pid, _Hosts) ->
process_flag(trap_exit, true),
- {ok, Port} = prim_file:open([binary]),
- init_ack(Pid),
+ {ok, Port} = prim_file:start(),
+ %% Check that we started in a valid directory.
+ case prim_file:get_cwd(Port) of
+ {error, _} ->
+ %% At this point in the startup, we have no error_logger at all.
+ Report = "Invalid current directory or invalid filename "
+ "mode: loader cannot read current directory\n",
+ erlang:display(Report),
+ exit({error, invalid_current_directory});
+ _ ->
+ init_ack(Pid)
+ end,
MultiGet = case erlang:system_info(thread_pool_size) of
0 -> false;
_ -> true
@@ -434,7 +444,7 @@ efile_multi_get_file_from_port2(_MFs, 0, _Max, State, _Paths, _Fun, _Ref, Ret) -
efile_par_get_file(Ref, State, {Mod,File} = MF, Paths, Pid, Fun) ->
%% One port for each file read in "parallel":
- case prim_file:open([binary]) of
+ case prim_file:start() of
{ok, Port} ->
Port0 = State#state.data,
State1 = State#state{data = Port},