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authorHans Bolinder <hasse@erlang.org>2012-01-17 12:28:32 +0100
committerHans Bolinder <hasse@erlang.org>2012-01-27 14:52:39 +0100
commit037150979ff809df85757bd2b3f676e2e4c6be88 (patch)
treeb0f9f7abc8e8ed062152c30ec8d7b581aff47aea /lib/kernel/src/erl_ddll.erl
parentccd194683f8be69c43839840ffa8687773215c59 (diff)
downloaderlang-037150979ff809df85757bd2b3f676e2e4c6be88.tar.gz
Move types and specs from erl_bif_types.erl to modules
Diffstat (limited to 'lib/kernel/src/erl_ddll.erl')
-rw-r--r--lib/kernel/src/erl_ddll.erl94
1 files changed, 92 insertions, 2 deletions
diff --git a/lib/kernel/src/erl_ddll.erl b/lib/kernel/src/erl_ddll.erl
index 646cac99c5..f967fcc2ef 100644
--- a/lib/kernel/src/erl_ddll.erl
+++ b/lib/kernel/src/erl_ddll.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2011. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2012. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -30,9 +30,99 @@
%%----------------------------------------------------------------------------
-type path() :: string() | atom().
--type driver() :: string() | atom().
+-type driver() :: iolist() | atom().
%%----------------------------------------------------------------------------
+%%% BIFs
+
+-export([demonitor/1, info/2, format_error_int/1, monitor/2,
+ try_load/3, try_unload/2, loaded_drivers/0]).
+
+-spec demonitor(MonitorRef) -> ok when
+ MonitorRef :: reference().
+
+demonitor(_) ->
+ erlang:nif_error(undef).
+
+-spec info(Name, Tag) -> Value when
+ Name :: driver(),
+ Tag :: processes | driver_options | port_count | linked_in_driver
+ | permanent | awaiting_load | awaiting_unload,
+ Value :: term().
+
+info(_, _) ->
+ erlang:nif_error(undef).
+
+-spec format_error_int(ErrSpec) -> string() when
+ ErrSpec :: inconsisten | linked_in_driver | permanent
+ | not_loaded | not_loaded_by_this_process | not_pending
+ | already_loaded | unloading.
+
+format_error_int(_) ->
+ erlang:nif_error(undef).
+
+-spec monitor(Tag, Item) -> MonitorRef when
+ Tag :: driver,
+ Item :: {Name, When},
+ Name :: driver(),
+ When :: loaded | unloaded | unloaded_only,
+ MonitorRef :: reference().
+
+monitor(_, _) ->
+ erlang:nif_error(undef).
+
+-spec try_load(Path, Name, OptionList) ->
+ {ok,Status} |
+ {ok, PendingStatus, Ref} |
+ {error, ErrorDesc} when
+ Path :: path(),
+ Name :: driver(),
+ OptionList :: [Option],
+ Option :: {driver_options, DriverOptionList}
+ | {monitor, MonitorOption}
+ | {reload, ReloadOption},
+ DriverOptionList :: [DriverOption],
+ DriverOption :: kill_ports,
+ MonitorOption :: pending_driver | pending,
+ ReloadOption :: pending_driver | pending,
+ Status :: loaded | already_loaded | PendingStatus,
+ PendingStatus :: pending_driver | pending_process,
+ Ref :: reference(),
+ ErrorDesc :: ErrorAtom | OpaqueError,
+ ErrorAtom :: linked_in_driver | inconsistent | permanent
+ | not_loaded_by_this_process | not_loaded
+ | pending_reload | pending_process,
+ OpaqueError :: term().
+
+try_load(_, _, _) ->
+ erlang:nif_error(undef).
+
+-spec try_unload(Name, OptionList) ->
+ {ok, Status} |
+ {ok, PendingStatus, Ref} |
+ {error, ErrorAtom} when
+ Name :: driver(),
+ OptionList :: [Option],
+ Option :: {monitor, MonitorOption} | kill_ports,
+ MonitorOption :: pending_driver | pending,
+ Status :: unloaded | PendingStatus,
+ PendingStatus :: pending_driver | pending_process,
+ Ref :: reference(),
+ ErrorAtom :: linked_in_driver | not_loaded |
+ not_loaded_by_this_process | permanent.
+
+try_unload(_, _) ->
+ erlang:nif_error(undef).
+
+-spec loaded_drivers() -> {ok, Drivers} when
+ Drivers :: [Driver],
+ Driver :: string().
+
+loaded_drivers() ->
+ erlang:nif_error(undef).
+
+%%% End of BIFs
+
-spec start() -> {'error', {'already_started', 'undefined'}}.