diff options
author | Hans Bolinder <hasse@erlang.org> | 2012-01-17 12:28:32 +0100 |
---|---|---|
committer | Hans Bolinder <hasse@erlang.org> | 2012-01-27 14:52:39 +0100 |
commit | 037150979ff809df85757bd2b3f676e2e4c6be88 (patch) | |
tree | b0f9f7abc8e8ed062152c30ec8d7b581aff47aea /lib/kernel/src/erl_ddll.erl | |
parent | ccd194683f8be69c43839840ffa8687773215c59 (diff) | |
download | erlang-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.erl | 94 |
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'}}. |