diff options
Diffstat (limited to 'erts/preloaded/src/erts_internal.erl')
| -rw-r--r-- | erts/preloaded/src/erts_internal.erl | 66 |
1 files changed, 37 insertions, 29 deletions
diff --git a/erts/preloaded/src/erts_internal.erl b/erts/preloaded/src/erts_internal.erl index f4518c4008..26fb1458af 100644 --- a/erts/preloaded/src/erts_internal.erl +++ b/erts/preloaded/src/erts_internal.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2012-2016. All Rights Reserved. +%% Copyright Ericsson AB 2012-2017. 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 +31,8 @@ -export([await_port_send_result/3]). -export([cmp_term/2]). --export([map_to_tuple_keys/1, term_type/1, map_hashmap_children/1]). +-export([map_to_tuple_keys/1, term_type/1, map_hashmap_children/1, + maps_to_list/2]). -export([open_port/2, port_command/3, port_connect/2, port_close/1, port_control/3, port_call/3, port_info/1, port_info/2]). @@ -39,6 +40,7 @@ gather_system_check_result/1]). -export([request_system_task/3, request_system_task/4]). +-export([garbage_collect/1]). -export([check_process_code/3]). -export([check_dirty_process_code/2]). @@ -60,7 +62,7 @@ -export([trace/3, trace_pattern/3]). %% Auto import name clash --export([check_process_code/2]). +-export([check_process_code/1]). %% %% Await result of send to port @@ -205,8 +207,9 @@ port_info(_Result, _Item) -> -spec request_system_task(Pid, Prio, Request) -> 'ok' when Prio :: 'max' | 'high' | 'normal' | 'low', - Request :: {'garbage_collect', term()} - | {'check_process_code', term(), module(), non_neg_integer()} + Type :: 'major' | 'minor', + Request :: {'garbage_collect', term(), Type} + | {'check_process_code', term(), module()} | {'copy_literals', term(), boolean()}, Pid :: pid(). @@ -216,7 +219,7 @@ request_system_task(_Pid, _Prio, _Request) -> -spec request_system_task(RequesterPid, TargetPid, Prio, Request) -> 'ok' | 'dirty_execution' when Prio :: 'max' | 'high' | 'normal' | 'low', Request :: {'garbage_collect', term()} - | {'check_process_code', term(), module(), non_neg_integer()} + | {'check_process_code', term(), module()} | {'copy_literals', term(), boolean()}, RequesterPid :: pid(), TargetPid :: pid(). @@ -224,12 +227,14 @@ request_system_task(_Pid, _Prio, _Request) -> request_system_task(_RequesterPid, _TargetPid, _Prio, _Request) -> erlang:nif_error(undefined). --define(ERTS_CPC_ALLOW_GC, (1 bsl 0)). +-spec garbage_collect(Mode) -> 'true' when Mode :: 'major' | 'minor'. --spec check_process_code(Module, Flags) -> boolean() when - Module :: module(), - Flags :: non_neg_integer(). -check_process_code(_Module, _Flags) -> +garbage_collect(_Mode) -> + erlang:nif_error(undefined). + +-spec check_process_code(Module) -> boolean() when + Module :: module(). +check_process_code(_Module) -> erlang:nif_error(undefined). -spec check_process_code(Pid, Module, OptionList) -> CheckResult | async when @@ -240,7 +245,7 @@ check_process_code(_Module, _Flags) -> OptionList :: [Option], CheckResult :: boolean() | aborted. check_process_code(Pid, Module, OptionList) -> - {Async, Flags} = get_cpc_opts(OptionList, sync, ?ERTS_CPC_ALLOW_GC), + Async = get_cpc_opts(OptionList, sync), case Async of {async, ReqId} -> {priority, Prio} = erlang:process_info(erlang:self(), @@ -249,13 +254,12 @@ check_process_code(Pid, Module, OptionList) -> Prio, {check_process_code, ReqId, - Module, - Flags}), + Module}), async; sync -> case Pid == erlang:self() of true -> - erts_internal:check_process_code(Module, Flags); + erts_internal:check_process_code(Module); false -> {priority, Prio} = erlang:process_info(erlang:self(), priority), @@ -264,8 +268,7 @@ check_process_code(Pid, Module, OptionList) -> Prio, {check_process_code, ReqId, - Module, - Flags}), + Module}), receive {check_process_code, ReqId, CheckResult} -> CheckResult @@ -273,18 +276,14 @@ check_process_code(Pid, Module, OptionList) -> end end. -% gets async and flag opts and verify valid option list -get_cpc_opts([{async, _ReqId} = AsyncTuple | Options], _OldAsync, Flags) -> - get_cpc_opts(Options, AsyncTuple, Flags); -get_cpc_opts([{allow_gc, AllowGC} | Options], Async, Flags) -> - get_cpc_opts(Options, Async, cpc_flags(Flags, ?ERTS_CPC_ALLOW_GC, AllowGC)); -get_cpc_opts([], Async, Flags) -> - {Async, Flags}. - -cpc_flags(OldFlags, Bit, true) -> - OldFlags bor Bit; -cpc_flags(OldFlags, Bit, false) -> - OldFlags band (bnot Bit). +% gets async opt and verify valid option list +get_cpc_opts([{async, _ReqId} = AsyncTuple | Options], _OldAsync) -> + get_cpc_opts(Options, AsyncTuple); +get_cpc_opts([{allow_gc, AllowGC} | Options], Async) when AllowGC == true; + AllowGC == false -> + get_cpc_opts(Options, Async); +get_cpc_opts([], Async) -> + Async. -spec check_dirty_process_code(Pid,Module) -> 'true' | 'false' when Pid :: pid(), @@ -371,6 +370,15 @@ map_hashmap_children(_M) -> Multi :: boolean(), Res :: term(). +%% return a list of key value pairs, at most of length N +-spec maps_to_list(M,N) -> Pairs when + M :: map(), + N :: integer(), + Pairs :: list(). + +maps_to_list(_M, _N) -> + erlang:nif_error(undefined). + %% erlang:demonitor(Ref, [flush]) traps to %% erts_internal:flush_monitor_messages(Ref, Res) when %% it needs to flush monitor messages. |