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-rw-r--r--lib/kernel/src/file_server.erl143
1 files changed, 66 insertions, 77 deletions
diff --git a/lib/kernel/src/file_server.erl b/lib/kernel/src/file_server.erl
index 6e8f64d932..29eaa23375 100644
--- a/lib/kernel/src/file_server.erl
+++ b/lib/kernel/src/file_server.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2000-2017. All Rights Reserved.
+%% Copyright Ericsson AB 2000-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -63,7 +63,7 @@ stop() ->
%%% Callback functions from gen_server
%%%----------------------------------------------------------------------
--type state() :: port(). % Internal type
+-type state() :: term(). % Internal type
%%----------------------------------------------------------------------
%% Func: init/1
@@ -73,18 +73,12 @@ stop() ->
%% {stop, Reason}
%%----------------------------------------------------------------------
--spec init([]) -> {'ok', state()} | {'stop', term()}.
+-spec init([]) -> {'ok', state()}.
init([]) ->
process_flag(trap_exit, true),
- case ?PRIM_FILE:start() of
- {ok, Handle} ->
- ?FILE_IO_SERVER_TABLE =
- ets:new(?FILE_IO_SERVER_TABLE, [named_table]),
- {ok, Handle};
- {error, Reason} ->
- {stop, Reason}
- end.
+ ?FILE_IO_SERVER_TABLE = ets:new(?FILE_IO_SERVER_TABLE, [named_table]),
+ {ok, undefined}.
%%----------------------------------------------------------------------
%% Func: handle_call/3
@@ -101,7 +95,7 @@ init([]) ->
{'reply', 'eof' | 'ok' | {'error', term()} | {'ok', term()}, state()} |
{'stop', 'normal', 'stopped', state()}.
-handle_call({open, Name, ModeList}, {Pid, _Tag} = _From, Handle)
+handle_call({open, Name, ModeList}, {Pid, _Tag} = _From, State)
when is_list(ModeList) ->
Child = ?FILE_IO_SERVER:start_link(Pid, Name, ModeList),
case Child of
@@ -110,78 +104,78 @@ handle_call({open, Name, ModeList}, {Pid, _Tag} = _From, Handle)
_ ->
ok
end,
- {reply, Child, Handle};
+ {reply, Child, State};
-handle_call({open, _Name, _Mode}, _From, Handle) ->
- {reply, {error, einval}, Handle};
+handle_call({open, _Name, _Mode}, _From, State) ->
+ {reply, {error, einval}, State};
-handle_call({read_file, Name}, _From, Handle) ->
- {reply, ?PRIM_FILE:read_file(Name), Handle};
+handle_call({read_file, Name}, _From, State) ->
+ {reply, ?PRIM_FILE:read_file(Name), State};
-handle_call({write_file, Name, Bin}, _From, Handle) ->
- {reply, ?PRIM_FILE:write_file(Name, Bin), Handle};
+handle_call({write_file, Name, Bin}, _From, State) ->
+ {reply, ?PRIM_FILE:write_file(Name, Bin), State};
-handle_call({set_cwd, Name}, _From, Handle) ->
- {reply, ?PRIM_FILE:set_cwd(Handle, Name), Handle};
+handle_call({set_cwd, Name}, _From, State) ->
+ {reply, ?PRIM_FILE:set_cwd(Name), State};
-handle_call({delete, Name}, _From, Handle) ->
- {reply, ?PRIM_FILE:delete(Handle, Name), Handle};
+handle_call({delete, Name}, _From, State) ->
+ {reply, ?PRIM_FILE:delete(Name), State};
-handle_call({rename, Fr, To}, _From, Handle) ->
- {reply, ?PRIM_FILE:rename(Handle, Fr, To), Handle};
+handle_call({rename, Fr, To}, _From, State) ->
+ {reply, ?PRIM_FILE:rename(Fr, To), State};
-handle_call({make_dir, Name}, _From, Handle) ->
- {reply, ?PRIM_FILE:make_dir(Handle, Name), Handle};
+handle_call({make_dir, Name}, _From, State) ->
+ {reply, ?PRIM_FILE:make_dir(Name), State};
-handle_call({del_dir, Name}, _From, Handle) ->
- {reply, ?PRIM_FILE:del_dir(Handle, Name), Handle};
+handle_call({del_dir, Name}, _From, State) ->
+ {reply, ?PRIM_FILE:del_dir(Name), State};
-handle_call({list_dir, Name}, _From, Handle) ->
- {reply, ?PRIM_FILE:list_dir(Handle, Name), Handle};
-handle_call({list_dir_all, Name}, _From, Handle) ->
- {reply, ?PRIM_FILE:list_dir_all(Handle, Name), Handle};
+handle_call({list_dir, Name}, _From, State) ->
+ {reply, ?PRIM_FILE:list_dir(Name), State};
+handle_call({list_dir_all, Name}, _From, State) ->
+ {reply, ?PRIM_FILE:list_dir_all(Name), State};
-handle_call(get_cwd, _From, Handle) ->
- {reply, ?PRIM_FILE:get_cwd(Handle), Handle};
-handle_call({get_cwd}, _From, Handle) ->
- {reply, ?PRIM_FILE:get_cwd(Handle), Handle};
-handle_call({get_cwd, Name}, _From, Handle) ->
- {reply, ?PRIM_FILE:get_cwd(Handle, Name), Handle};
+handle_call(get_cwd, _From, State) ->
+ {reply, ?PRIM_FILE:get_cwd(), State};
+handle_call({get_cwd}, _From, State) ->
+ {reply, ?PRIM_FILE:get_cwd(), State};
+handle_call({get_cwd, Name}, _From, State) ->
+ {reply, ?PRIM_FILE:get_cwd(Name), State};
-handle_call({read_file_info, Name}, _From, Handle) ->
- {reply, ?PRIM_FILE:read_file_info(Handle, Name), Handle};
+handle_call({read_file_info, Name}, _From, State) ->
+ {reply, ?PRIM_FILE:read_file_info(Name), State};
-handle_call({read_file_info, Name, Opts}, _From, Handle) ->
- {reply, ?PRIM_FILE:read_file_info(Handle, Name, Opts), Handle};
+handle_call({read_file_info, Name, Opts}, _From, State) ->
+ {reply, ?PRIM_FILE:read_file_info(Name, Opts), State};
-handle_call({altname, Name}, _From, Handle) ->
- {reply, ?PRIM_FILE:altname(Handle, Name), Handle};
+handle_call({altname, Name}, _From, State) ->
+ {reply, ?PRIM_FILE:altname(Name), State};
-handle_call({write_file_info, Name, Info}, _From, Handle) ->
- {reply, ?PRIM_FILE:write_file_info(Handle, Name, Info), Handle};
+handle_call({write_file_info, Name, Info}, _From, State) ->
+ {reply, ?PRIM_FILE:write_file_info(Name, Info), State};
-handle_call({write_file_info, Name, Info, Opts}, _From, Handle) ->
- {reply, ?PRIM_FILE:write_file_info(Handle, Name, Info, Opts), Handle};
+handle_call({write_file_info, Name, Info, Opts}, _From, State) ->
+ {reply, ?PRIM_FILE:write_file_info(Name, Info, Opts), State};
-handle_call({read_link_info, Name}, _From, Handle) ->
- {reply, ?PRIM_FILE:read_link_info(Handle, Name), Handle};
+handle_call({read_link_info, Name}, _From, State) ->
+ {reply, ?PRIM_FILE:read_link_info(Name), State};
-handle_call({read_link_info, Name, Opts}, _From, Handle) ->
- {reply, ?PRIM_FILE:read_link_info(Handle, Name, Opts), Handle};
+handle_call({read_link_info, Name, Opts}, _From, State) ->
+ {reply, ?PRIM_FILE:read_link_info(Name, Opts), State};
-handle_call({read_link, Name}, _From, Handle) ->
- {reply, ?PRIM_FILE:read_link(Handle, Name), Handle};
-handle_call({read_link_all, Name}, _From, Handle) ->
- {reply, ?PRIM_FILE:read_link_all(Handle, Name), Handle};
+handle_call({read_link, Name}, _From, State) ->
+ {reply, ?PRIM_FILE:read_link(Name), State};
+handle_call({read_link_all, Name}, _From, State) ->
+ {reply, ?PRIM_FILE:read_link_all(Name), State};
-handle_call({make_link, Old, New}, _From, Handle) ->
- {reply, ?PRIM_FILE:make_link(Handle, Old, New), Handle};
+handle_call({make_link, Old, New}, _From, State) ->
+ {reply, ?PRIM_FILE:make_link(Old, New), State};
-handle_call({make_symlink, Old, New}, _From, Handle) ->
- {reply, ?PRIM_FILE:make_symlink(Handle, Old, New), Handle};
+handle_call({make_symlink, Old, New}, _From, State) ->
+ {reply, ?PRIM_FILE:make_symlink(Old, New), State};
handle_call({copy, SourceName, SourceOpts, DestName, DestOpts, Length},
- _From, Handle) ->
+ _From, State) ->
Reply =
case ?PRIM_FILE:open(SourceName, [read, binary | SourceOpts]) of
{ok, Source} ->
@@ -201,14 +195,14 @@ handle_call({copy, SourceName, SourceOpts, DestName, DestOpts, Length},
{error, _} = Error ->
Error
end,
- {reply, Reply, Handle};
+ {reply, Reply, State};
-handle_call(stop, _From, Handle) ->
- {stop, normal, stopped, Handle};
+handle_call(stop, _From, State) ->
+ {stop, normal, stopped, State};
-handle_call(Request, From, Handle) ->
+handle_call(Request, From, State) ->
error_logger:error_msg("handle_call(~tp, ~tp, _)", [Request, From]),
- {noreply, Handle}.
+ {noreply, State}.
%%----------------------------------------------------------------------
%% Func: handle_cast/2
@@ -231,16 +225,11 @@ handle_cast(Msg, State) ->
%%----------------------------------------------------------------------
-spec handle_info(term(), state()) ->
- {'noreply', state()} | {'stop', 'normal', state()}.
+ {'noreply', state()}.
-handle_info({'EXIT', Pid, _Reason}, Handle) when is_pid(Pid) ->
+handle_info({'EXIT', Pid, _Reason}, State) when is_pid(Pid) ->
ets:delete(?FILE_IO_SERVER_TABLE, Pid),
- {noreply, Handle};
-
-handle_info({'EXIT', Handle, _Reason}, Handle) ->
- error_logger:error_msg("Port controlling ~w terminated in ~w",
- [?FILE_SERVER, ?MODULE]),
- {stop, normal, Handle};
+ {noreply, State};
handle_info(Info, State) ->
error_logger:error_msg("handle_Info(~tp, _)", [Info]),
@@ -254,8 +243,8 @@ handle_info(Info, State) ->
-spec terminate(term(), state()) -> 'ok'.
-terminate(_Reason, Handle) ->
- ?PRIM_FILE:stop(Handle).
+terminate(_Reason, _State) ->
+ ok.
%%----------------------------------------------------------------------
%% Func: code_change/3
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 10:01:10 +0000