diff options
Diffstat (limited to 'erts/preloaded/src/erlang.erl')
| -rw-r--r-- | erts/preloaded/src/erlang.erl | 66 |
1 files changed, 25 insertions, 41 deletions
diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl index 370ecdc3f6..bffa59338e 100644 --- a/erts/preloaded/src/erlang.erl +++ b/erts/preloaded/src/erlang.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2017. All Rights Reserved. +%% Copyright Ericsson AB 1996-2018. 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. @@ -31,7 +31,7 @@ -export([localtime_to_universaltime/1]). -export([suspend_process/1]). -export([min/2, max/2]). --export([dmonitor_node/3, dmonitor_p/2]). +-export([dmonitor_node/3]). -export([delay_trap/2]). -export([set_cookie/2, get_cookie/0]). -export([nodes/0]). @@ -39,7 +39,6 @@ -export([integer_to_list/2]). -export([integer_to_binary/2]). -export([set_cpu_topology/1, format_cpu_topology/1]). --export([await_proc_exit/3]). -export([memory/0, memory/1]). -export([alloc_info/1, alloc_sizes/1]). @@ -122,7 +121,7 @@ -export([delete_element/2]). -export([delete_module/1, demonitor/1, demonitor/2, display/1]). -export([display_nl/0, display_string/1, erase/0, erase/1]). --export([error/1, error/2, exit/1, exit/2, external_size/1]). +-export([error/1, error/2, exit/1, exit/2, exit_signal/2, external_size/1]). -export([external_size/2, finish_after_on_load/2, finish_loading/1, float/1]). -export([float_to_binary/1, float_to_binary/2, float_to_list/1, float_to_list/2, floor/1]). @@ -786,6 +785,13 @@ exit(_Reason) -> exit(_Pid, _Reason) -> erlang:nif_error(undefined). +%% exit_signal/2 +-spec erlang:exit_signal(Pid, Reason) -> true when + Pid :: pid() | port(), + Reason :: term(). +exit_signal(_Pid, _Reason) -> + erlang:nif_error(undefined). + %% external_size/1 -spec erlang:external_size(Term) -> non_neg_integer() when Term :: term(). @@ -1012,8 +1018,20 @@ group_leader() -> -spec group_leader(GroupLeader, Pid) -> true when GroupLeader :: pid(), Pid :: pid(). -group_leader(_GroupLeader, _Pid) -> - erlang:nif_error(undefined). +group_leader(GroupLeader, Pid) -> + case case erts_internal:group_leader(GroupLeader, Pid) of + false -> + Ref = erlang:make_ref(), + erts_internal:group_leader(GroupLeader, + Pid, + Ref), + receive {Ref, MsgRes} -> MsgRes end; + Res -> + Res + end of + true -> true; + Error -> erlang:error(Error, [GroupLeader, Pid]) + end. %% halt/0 %% Shadowed by erl_bif_types: erlang:halt/0 @@ -1904,7 +1922,7 @@ element(_N, _Tuple) -> %% Not documented -type module_info_key() :: attributes | compile | exports | functions | md5 - | module | native | native_addresses. + | module | native | native_addresses | nifs. -spec erlang:get_module_info(Module, Item) -> ModuleInfo when Module :: atom(), Item :: module_info_key(), @@ -3279,13 +3297,6 @@ dmonitor_node(Node, Flag, Opts) -> dmonitor_node(Node,Flag,[]) end. --spec erlang:dmonitor_p('process', pid() | {atom(),atom()}) -> reference(). -dmonitor_p(process, ProcSpec) -> - %% Only called when auto-connect attempt failed early in VM - Ref = erlang:make_ref(), - erlang:self() ! {'DOWN', Ref, process, ProcSpec, noconnection}, - Ref. - %% %% Trap function used when modified timing has been enabled. %% @@ -3518,33 +3529,6 @@ rvrs(Xs) -> rvrs(Xs, []). rvrs([],Ys) -> Ys; rvrs([X|Xs],Ys) -> rvrs(Xs, [X|Ys]). -%% erlang:await_proc_exit/3 is for internal use only! -%% -%% BIFs that need to await a specific process exit before -%% returning traps to erlang:await_proc_exit/3. -%% -%% NOTE: This function is tightly coupled to -%% the implementation of the -%% erts_bif_prep_await_proc_exit_*() -%% functions in bif.c. Do not make -%% any changes to it without reading -%% the comment about them in bif.c! --spec erlang:await_proc_exit(dst(), 'apply' | 'data' | 'reason', term()) -> term(). -await_proc_exit(Proc, Op, Data) -> - Mon = erlang:monitor(process, Proc), - receive - {'DOWN', Mon, process, _Proc, Reason} -> - case Op of - apply -> - {M, F, A} = Data, - erlang:apply(M, F, A); - data -> - Data; - reason -> - Reason - end - end. - -spec min(Term1, Term2) -> Minimum when Term1 :: term(), Term2 :: term(), |