%% %% %CopyrightBegin% %% %% Copyright Ericsson AB 1996-2012. 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 %% compliance with the License. You should have received a copy of the %% Erlang Public License along with this software. If not, it can be %% retrieved online at http://www.erlang.org/. %% %% Software distributed under the License is distributed on an "AS IS" %% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See %% the License for the specific language governing rights and limitations %% under the License. %% %% %CopyrightEnd% %% -module(erlang). -export([apply/2,apply/3,spawn/4,spawn_link/4, spawn_monitor/1,spawn_monitor/3, spawn_opt/2,spawn_opt/3,spawn_opt/4,spawn_opt/5, disconnect_node/1]). -export([spawn/1, spawn_link/1, spawn/2, spawn_link/2]). -export([yield/0]). -export([crasher/6]). -export([fun_info/1]). -export([send_nosuspend/2, send_nosuspend/3]). -export([localtime_to_universaltime/1]). -export([suspend_process/1]). -export([min/2, max/2]). -export([dlink/1, dunlink/1, dsend/2, dsend/3, dgroup_leader/2, dexit/2, dmonitor_node/3, dmonitor_p/2]). -export([delay_trap/2]). -export([set_cookie/2, get_cookie/0]). -export([nodes/0]). -export([list_to_integer/2,integer_to_list/2]). -export([flush_monitor_message/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]). -export([gather_sched_wall_time_result/1, await_sched_wall_time_modifications/2]). -deprecated([hash/2]). %% Get rid of autoimports of spawn to avoid clashes with ourselves. -compile({no_auto_import,[spawn_link/1]}). -compile({no_auto_import,[spawn_link/4]}). -compile({no_auto_import,[spawn_opt/2]}). -compile({no_auto_import,[spawn_opt/4]}). -compile({no_auto_import,[spawn_opt/5]}). -export_type([timestamp/0]). -type ext_binary() :: binary(). -type timestamp() :: {MegaSecs :: non_neg_integer(), Secs :: non_neg_integer(), MicroSecs :: non_neg_integer()}. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% Native code BIF stubs and their types %% (BIF's actually implemented in this module goes last in the file) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% Exports for all native code stubs %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -export([adler32/1, adler32/2, adler32_combine/3, append_element/2]). -export([atom_to_binary/2, atom_to_list/1, binary_part/2, binary_part/3]). -export([binary_to_atom/2, binary_to_existing_atom/2, binary_to_list/1]). -export([binary_to_list/3, binary_to_term/1, binary_to_term/2]). -export([bit_size/1, bitsize/1, bitstr_to_list/1, bitstring_to_list/1]). -export([bump_reductions/1, byte_size/1, call_on_load_function/1]). -export([cancel_timer/1, check_old_code/1, check_process_code/2, crc32/1]). -export([crc32/2, crc32_combine/3, date/0, decode_packet/3]). -export([delete_module/1, demonitor/1, demonitor/2, display/1]). -export([display_nl/0, display_string/1, dist_exit/3, erase/0, erase/1]). -export([error/1, error/2, exit/1, exit/2, external_size/1]). -export([external_size/2, finish_after_on_load/2, finish_loading/1, float/1]). -export([float_to_list/1, fun_info/2, fun_to_list/1, function_exported/3]). -export([garbage_collect/0, garbage_collect/1]). -export([garbage_collect_message_area/0, get/0, get/1, get_keys/1]). -export([get_module_info/1, get_stacktrace/0, group_leader/0]). -export([group_leader/2, halt/0, halt/1, halt/2, hash/2, hibernate/3]). -export([integer_to_list/1, iolist_size/1, iolist_to_binary/1]). -export([is_alive/0, is_builtin/3, is_process_alive/1, length/1, link/1]). -export([list_to_atom/1, list_to_binary/1, list_to_bitstr/1]). -export([list_to_bitstring/1, list_to_existing_atom/1, list_to_float/1]). -export([list_to_integer/1, list_to_pid/1, list_to_tuple/1, loaded/0]). -export([localtime/0, make_ref/0, match_spec_test/3, md5/1, md5_final/1]). -export([md5_init/0, md5_update/2, module_loaded/1, monitor/2]). -export([monitor_node/2, monitor_node/3, nif_error/1, nif_error/2 ]). -export([node/0, node/1, now/0, phash/2, phash2/1, phash2/2]). -export([pid_to_list/1, port_close/1, port_command/2, port_command/3]). -export([port_connect/2, port_control/3, port_get_data/1]). -export([port_set_data/2, port_to_list/1, ports/0]). -export([posixtime_to_universaltime/1, pre_loaded/0, prepare_loading/2]). -export([process_display/2]). -export([process_flag/3, process_info/1, processes/0, purge_module/1]). -export([put/2, raise/3, read_timer/1, ref_to_list/1, register/2]). -export([registered/0, resume_process/1, round/1, self/0, send_after/3]). -export([seq_trace/2, seq_trace_print/1, seq_trace_print/2, setnode/2]). -export([setnode/3, size/1, spawn/3, spawn_link/3, split_binary/2]). -export([start_timer/3, suspend_process/2, system_monitor/0]). -export([system_monitor/1, system_monitor/2, system_profile/0]). -export([system_profile/2, throw/1, time/0, trace/3, trace_delivered/1]). -export([trace_info/2, trunc/1, tuple_size/1, universaltime/0]). -export([universaltime_to_posixtime/1, unlink/1, unregister/1, whereis/1]). -export([abs/1, append/2, element/2, get_module_info/2, hd/1, is_atom/1, is_binary/1, is_bitstring/1, is_boolean/1, is_float/1, is_function/1, is_function/2, is_integer/1, is_list/1, is_number/1, is_pid/1, is_port/1, is_record/2, is_record/3, is_reference/1, is_tuple/1, load_module/2, load_nif/2, localtime_to_universaltime/2, make_fun/3, make_tuple/2, make_tuple/3, nodes/1, open_port/2, port_call/2, port_call/3, port_info/1, port_info/2, process_flag/2, process_info/2, send/2, send/3, seq_trace_info/1, setelement/3, spawn_opt/1, statistics/1, subtract/2, system_flag/2, term_to_binary/1, term_to_binary/2, tl/1, trace_pattern/2, trace_pattern/3, tuple_to_list/1, system_info/1, universaltime_to_localtime/1]). -export([dt_get_tag/0, dt_get_tag_data/0, dt_prepend_vm_tag_data/1, dt_append_vm_tag_data/1, dt_put_tag/1, dt_restore_tag/1, dt_spread_tag/1]). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%% Simple native code BIFs %%% These are here for the types/specs, the real implementation is in the C code. %%% The first chunk is originally auto-generated from %%% $ERL_TOP/lib/hipe/cerl/erl_bif_types.erl as released in R15B. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% types -type fun_info_item() :: arity | env | index | name | module | new_index | new_uniq | pid | type | uniq. -type seq_trace_info() :: 'send' | 'receive' | 'print' | 'timestamp' | 'label' | 'serial'. -type seq_trace_info_returns() :: { seq_trace_info(), non_neg_integer() | boolean() | { non_neg_integer(), non_neg_integer() } } | []. -type system_profile_option() :: 'exclusive' | 'runnable_ports' | 'runnable_procs' | 'scheduler'. -type system_monitor_option() :: 'busy_port' | 'busy_dist_port' | {'long_gc', non_neg_integer()} | {'large_heap', non_neg_integer()}. -type raise_stacktrace() :: [{module(), atom(), arity() | [term()]} | {function(), [term()]}] | [{module(), atom(), arity() | [term()], [{atom(),term()}]} | {function(), [term()], [{atom(),term()}]}]. -type bitstring_list() :: maybe_improper_list(byte() | bitstring() | bitstring_list(), bitstring() | []). -type trace_flag() :: all | send | 'receive' | procs | call | silent | return_to | running | exiting | garbage_collection | timestamp | cpu_timestamp | arity | set_on_spawn | set_on_first_spawn | set_on_link | set_on_first_link | {tracer, pid() | port()}. -type trace_info_item_result() :: {traced, global | local | false | undefined} | {match_spec, trace_match_spec() | false | undefined} | {meta, pid() | port() | false | undefined | []} | {meta_match_spec, trace_match_spec() | false | undefined} | {call_count, non_neg_integer() | boolean() | undefined} | {call_time, [{pid(), non_neg_integer(), non_neg_integer(), non_neg_integer()}] | boolean() | undefined}. -type trace_info_flag() :: send | 'receive' | set_on_spawn | call | return_to | procs | set_on_first_spawn | set_on_link | running | garbage_collection | timestamp | arity. -type trace_info_return() :: undefined | {flags, [trace_info_flag()]} | {tracer, pid() | port() | []} | trace_info_item_result() | {all, [ trace_info_item_result() ] | false | undefined}. %% Specs and stubs %% adler32/1 -spec erlang:adler32(Data) -> non_neg_integer() when Data :: iodata(). adler32(_Data) -> erlang:nif_error(undefined). %% adler32/2 -spec erlang:adler32(OldAdler, Data) -> non_neg_integer() when OldAdler :: non_neg_integer(), Data :: iodata(). adler32(_OldAdler, _Data) -> erlang:nif_error(undefined). %% adler32_combine/3 -spec erlang:adler32_combine(FirstAdler, SecondAdler, SecondSize) -> non_neg_integer() when FirstAdler :: non_neg_integer(), SecondAdler :: non_neg_integer(), SecondSize :: non_neg_integer(). adler32_combine(_FirstAdler, _SecondAdler, _SecondSize) -> erlang:nif_error(undefined). %% append_element/2 -spec erlang:append_element(Tuple1, Term) -> Tuple2 when Tuple1 :: tuple(), Tuple2 :: tuple(), Term :: term(). append_element(_Tuple1, _Term) -> erlang:nif_error(undefined). %% atom_to_binary/2 -spec atom_to_binary(Atom, Encoding) -> binary() when Atom :: atom(), Encoding :: latin1 | unicode | utf8. atom_to_binary(_Atom, _Encoding) -> erlang:nif_error(undefined). %% atom_to_list/1 -spec atom_to_list(Atom) -> string() when Atom :: atom(). atom_to_list(_Atom) -> erlang:nif_error(undefined). %% binary_part/2 %% Shadowed by erl_bif_types: erlang:binary_part/2 -spec binary_part(Subject, PosLen) -> binary() when Subject :: binary(), PosLen :: {Start :: non_neg_integer(), Length :: integer()}. binary_part(_Subject, _PosLen) -> erlang:nif_error(undefined). %% binary_part/3 %% Shadowed by erl_bif_types: erlang:binary_part/3 -spec binary_part(Subject, Start, Length) -> binary() when Subject :: binary(), Start :: non_neg_integer(), Length :: integer(). binary_part(_Subject, _Start, _Length) -> erlang:nif_error(undefined). %% binary_to_atom/2 -spec binary_to_atom(Binary, Encoding) -> atom() when Binary :: binary(), Encoding :: latin1 | unicode | utf8. binary_to_atom(_Binary, _Encoding) -> erlang:nif_error(undefined). %% binary_to_existing_atom/2 -spec binary_to_existing_atom(Binary, Encoding) -> atom() when Binary :: binary(), Encoding :: latin1 | unicode | utf8. binary_to_existing_atom(_Binary, _Encoding) -> erlang:nif_error(undefined). %% binary_to_list/1 -spec binary_to_list(Binary) -> [byte()] when Binary :: binary(). binary_to_list(_Binary) -> erlang:nif_error(undefined). %% binary_to_list/3 -spec binary_to_list(Binary, Start, Stop) -> [byte()] when Binary :: binary(), Start :: pos_integer(), Stop :: pos_integer(). binary_to_list(_Binary, _Start, _Stop) -> erlang:nif_error(undefined). %% binary_to_term/1 -spec binary_to_term(Binary) -> term() when Binary :: ext_binary(). binary_to_term(_Binary) -> erlang:nif_error(undefined). %% binary_to_term/2 -spec binary_to_term(Binary, Opts) -> term() when Binary :: ext_binary(), Opts :: [safe]. binary_to_term(_Binary, _Opts) -> erlang:nif_error(undefined). %% bit_size/1 %% Shadowed by erl_bif_types: erlang:bit_size/1 -spec bit_size(Bitstring) -> non_neg_integer() when Bitstring :: bitstring(). bit_size(_Bitstring) -> erlang:nif_error(undefined). %% bitsize/1 -spec bitsize(P1) -> non_neg_integer() when P1 :: bitstring(). bitsize(_P1) -> erlang:nif_error(undefined). %% bitstr_to_list/1 -spec erlang:bitstr_to_list(P1) -> [byte() | bitstring()] when P1 :: bitstring(). bitstr_to_list(_P1) -> erlang:nif_error(undefined). %% bitstring_to_list/1 -spec bitstring_to_list(Bitstring) -> [byte() | bitstring()] when Bitstring :: bitstring(). bitstring_to_list(_Bitstring) -> erlang:nif_error(undefined). %% bump_reductions/1 -spec erlang:bump_reductions(Reductions) -> true when Reductions :: pos_integer(). bump_reductions(_Reductions) -> erlang:nif_error(undefined). %% byte_size/1 %% Shadowed by erl_bif_types: erlang:byte_size/1 -spec byte_size(Bitstring) -> non_neg_integer() when Bitstring :: bitstring(). byte_size(_Bitstring) -> erlang:nif_error(undefined). %% call_on_load_function/1 -spec erlang:call_on_load_function(P1) -> term() when P1 :: atom(). call_on_load_function(_P1) -> erlang:nif_error(undefined). %% cancel_timer/1 -spec erlang:cancel_timer(TimerRef) -> Time | false when TimerRef :: reference(), Time :: non_neg_integer(). cancel_timer(_TimerRef) -> erlang:nif_error(undefined). %% check_old_code/1 -spec check_old_code(Module) -> boolean() when Module :: module(). check_old_code(_Module) -> erlang:nif_error(undefined). %% check_process_code/2 -spec check_process_code(Pid, Module) -> boolean() when Pid :: pid(), Module :: module(). check_process_code(_Pid, _Module) -> erlang:nif_error(undefined). %% crc32/1 -spec erlang:crc32(Data) -> non_neg_integer() when Data :: iodata(). crc32(_Data) -> erlang:nif_error(undefined). %% crc32/2 -spec erlang:crc32(OldCrc, Data) -> non_neg_integer() when OldCrc :: non_neg_integer(), Data :: iodata(). crc32(_OldCrc, _Data) -> erlang:nif_error(undefined). %% crc32_combine/3 -spec erlang:crc32_combine(FirstCrc, SecondCrc, SecondSize) -> non_neg_integer() when FirstCrc :: non_neg_integer(), SecondCrc :: non_neg_integer(), SecondSize :: non_neg_integer(). crc32_combine(_FirstCrc, _SecondCrc, _SecondSize) -> erlang:nif_error(undefined). %% date/0 -spec date() -> Date when Date :: calendar:date(). date() -> erlang:nif_error(undefined). %% decode_packet/3 -spec erlang:decode_packet(Type, Bin, Options) -> {ok, Packet, Rest} | {more, Length} | {error, Reason} when Type :: 'raw' | 0 | 1 | 2 | 4 | 'asn1' | 'cdr' | 'sunrm' | 'fcgi' | 'tpkt' | 'line' | 'http' | 'http_bin' | 'httph' | 'httph_bin', Bin :: binary(), Options :: [Opt], Opt :: {packet_size, non_neg_integer()} | {line_length, non_neg_integer()}, Packet :: binary() | HttpPacket, Rest :: binary(), Length :: non_neg_integer() | undefined, Reason :: term(), HttpPacket :: HttpRequest | HttpResponse | HttpHeader | 'http_eoh' | HttpError, HttpRequest :: {'http_request', HttpMethod, HttpUri, HttpVersion}, HttpResponse :: {'http_response', HttpVersion, integer(), HttpString}, HttpHeader :: {'http_header', integer(), HttpField, Reserved :: term(), Value :: HttpString}, HttpError :: {'http_error', HttpString}, HttpMethod :: 'OPTIONS' | 'GET' | 'HEAD' | 'POST' | 'PUT' | 'DELETE' | 'TRACE' | HttpString, HttpUri :: '*' | { 'absoluteURI', 'http' | 'https', Host :: HttpString, Port :: inet:port_number() | 'undefined', Path :: HttpString} | {'scheme', Scheme :: HttpString, HttpString} | {'abs_path', HttpString} | HttpString, HttpVersion :: {Major :: non_neg_integer(), Minor :: non_neg_integer()}, HttpField :: 'Cache-Control' | 'Connection' | 'Date' | 'Pragma' | 'Transfer-Encoding' | 'Upgrade' | 'Via' | 'Accept' | 'Accept-Charset' | 'Accept-Encoding' | 'Accept-Language' | 'Authorization' | 'From' | 'Host' | 'If-Modified-Since' | 'If-Match' | 'If-None-Match' | 'If-Range' | 'If-Unmodified-Since' | 'Max-Forwards' | 'Proxy-Authorization' | 'Range' | 'Referer' | 'User-Agent' | 'Age' | 'Location' | 'Proxy-Authenticate' | 'Public' | 'Retry-After' | 'Server' | 'Vary' | 'Warning' |'Www-Authenticate' | 'Allow' | 'Content-Base' | 'Content-Encoding' | 'Content-Language' | 'Content-Length' | 'Content-Location' | 'Content-Md5' | 'Content-Range' | 'Content-Type' | 'Etag' | 'Expires' | 'Last-Modified' | 'Accept-Ranges' | 'Set-Cookie' | 'Set-Cookie2' | 'X-Forwarded-For' | 'Cookie' | 'Keep-Alive' | 'Proxy-Connection' | HttpString, HttpString :: string() | binary(). decode_packet(_Type, _Bin, _Options) -> erlang:nif_error(undefined). %% delete_module/1 -spec delete_module(Module) -> true | undefined when Module :: module(). delete_module(_Module) -> erlang:nif_error(undefined). %% demonitor/1 -spec demonitor(MonitorRef) -> true when MonitorRef :: reference(). demonitor(_MonitorRef) -> erlang:nif_error(undefined). %% demonitor/2 -spec demonitor(MonitorRef, OptionList) -> boolean() when MonitorRef :: reference(), OptionList :: [Option], Option :: flush | info. demonitor(_MonitorRef, _OptionList) -> erlang:nif_error(undefined). %% display/1 -spec erlang:display(Term) -> true when Term :: term(). display(_Term) -> erlang:nif_error(undefined). %% display_nl/0 -spec erlang:display_nl() -> true. display_nl() -> erlang:nif_error(undefined). %% display_string/1 -spec erlang:display_string(P1) -> true when P1 :: string(). display_string(_P1) -> erlang:nif_error(undefined). %% dist_exit/3 -spec erlang:dist_exit(P1, P2, P3) -> true when P1 :: pid(), P2 :: kill | noconnection | normal, P3 :: pid() | port(). dist_exit(_P1, _P2, _P3) -> erlang:nif_error(undefined). %% dt_append_vm_tag_data/1 -spec dt_append_vm_tag_data(IoData) -> IoDataRet when IoData :: iodata(), IoDataRet :: iodata(). dt_append_vm_tag_data(_IoData) -> erlang:nif_error(undefined). %% dt_get_tag/0 -spec erlang:dt_get_tag() -> binary() | undefined. dt_get_tag() -> erlang:nif_error(undefined). %% dt_get_tag_data/0 -spec erlang:dt_get_tag_data() -> binary() | undefined. dt_get_tag_data() -> erlang:nif_error(undefined). %% dt_prepend_vm_tag_data/1 -spec dt_prepend_vm_tag_data(IoData) -> IoDataRet when IoData :: iodata(), IoDataRet :: iodata(). dt_prepend_vm_tag_data(_IoData) -> erlang:nif_error(undefined). %% dt_put_tag/1 -spec erlang:dt_put_tag(IoData) -> binary() | undefined when IoData :: iodata(). dt_put_tag(_IoData) -> erlang:nif_error(undefined). %% dt_restore_tag/1 -spec erlang:dt_restore_tag(TagData) -> true when TagData :: term(). dt_restore_tag(_TagData) -> erlang:nif_error(undefined). %% dt_spread_tag/1 -spec erlang:dt_spread_tag(boolean()) -> TagData when TagData :: term(). dt_spread_tag(_Bool) -> erlang:nif_error(undefined). %% erase/0 -spec erase() -> [{Key, Val}] when Key :: term(), Val :: term(). erase() -> erlang:nif_error(undefined). %% erase/1 -spec erase(Key) -> Val | undefined when Key :: term(), Val :: term(). erase(_Key) -> erlang:nif_error(undefined). %% error/1 %% Shadowed by erl_bif_types: erlang:error/1 -spec error(Reason) -> no_return() when Reason :: term(). error(_Reason) -> erlang:nif_error(undefined). %% error/2 %% Shadowed by erl_bif_types: erlang:error/2 -spec error(Reason, Args) -> no_return() when Reason :: term(), Args :: [term()]. error(_Reason, _Args) -> erlang:nif_error(undefined). %% exit/1 %% Shadowed by erl_bif_types: erlang:exit/1 -spec exit(Reason) -> no_return() when Reason :: term(). exit(_Reason) -> erlang:nif_error(undefined). %% exit/2 -spec exit(Pid, Reason) -> true when Pid :: pid() | port(), Reason :: term(). exit(_Pid, _Reason) -> erlang:nif_error(undefined). %% external_size/1 -spec erlang:external_size(Term) -> non_neg_integer() when Term :: term(). external_size(_Term) -> erlang:nif_error(undefined). %% external_size/2 -spec erlang:external_size(Term, Options) -> non_neg_integer() when Term :: term(), Options :: [{minor_version, Version :: non_neg_integer()}]. external_size(_Term, _Options) -> erlang:nif_error(undefined). %% finish_loading/2 -spec erlang:finish_loading(PreparedCodeBinaries) -> ok | Error when PreparedCodeBinaries :: [PreparedCodeBinary], PreparedCodeBinary :: binary(), ModuleList :: [module()], Error :: {not_purged,ModuleList} | {on_load,ModuleList}. finish_loading(_List) -> erlang:nif_error(undefined). %% finish_after_on_load/2 -spec erlang:finish_after_on_load(P1, P2) -> true when P1 :: atom(), P2 :: boolean(). finish_after_on_load(_P1, _P2) -> erlang:nif_error(undefined). %% float/1 %% Shadowed by erl_bif_types: erlang:float/1 -spec float(Number) -> float() when Number :: number(). float(_Number) -> erlang:nif_error(undefined). %% float_to_list/1 -spec float_to_list(Float) -> string() when Float :: float(). float_to_list(_Float) -> erlang:nif_error(undefined). %% fun_info/2 -spec erlang:fun_info(Fun, Item) -> {Item, Info} when Fun :: function(), Item :: fun_info_item(), Info :: term(). fun_info(_Fun, _Item) -> erlang:nif_error(undefined). %% fun_to_list/1 -spec erlang:fun_to_list(Fun) -> string() when Fun :: function(). fun_to_list(_Fun) -> erlang:nif_error(undefined). %% function_exported/3 -spec erlang:function_exported(Module, Function, Arity) -> boolean() when Module :: module(), Function :: atom(), Arity :: arity(). function_exported(_Module, _Function, _Arity) -> erlang:nif_error(undefined). %% garbage_collect/0 -spec garbage_collect() -> true. garbage_collect() -> erlang:nif_error(undefined). %% garbage_collect/1 -spec garbage_collect(Pid) -> boolean() when Pid :: pid(). garbage_collect(_Pid) -> erlang:nif_error(undefined). %% garbage_collect_message_area/0 -spec erlang:garbage_collect_message_area() -> boolean(). garbage_collect_message_area() -> erlang:nif_error(undefined). %% get/0 -spec get() -> [{Key, Val}] when Key :: term(), Val :: term(). get() -> erlang:nif_error(undefined). %% get/1 -spec get(Key) -> Val | undefined when Key :: term(), Val :: term(). get(_Key) -> erlang:nif_error(undefined). %% get_keys/1 -spec get_keys(Val) -> [Key] when Val :: term(), Key :: term(). get_keys(_Val) -> erlang:nif_error(undefined). %% get_module_info/1 -spec erlang:get_module_info(P1) -> [{atom(), [{atom(), term()}]}] when P1 :: atom(). get_module_info(_P1) -> erlang:nif_error(undefined). %% get_stacktrace/0 -spec erlang:get_stacktrace() -> [stack_item()]. get_stacktrace() -> erlang:nif_error(undefined). %% group_leader/0 -spec group_leader() -> pid(). group_leader() -> erlang:nif_error(undefined). %% group_leader/2 -spec group_leader(GroupLeader, Pid) -> true when GroupLeader :: pid(), Pid :: pid(). group_leader(_GroupLeader, _Pid) -> erlang:nif_error(undefined). %% halt/0 %% Shadowed by erl_bif_types: erlang:halt/0 -spec halt() -> no_return(). halt() -> erlang:nif_error(undefined). %% halt/1 %% Shadowed by erl_bif_types: erlang:halt/1 -spec halt(Status) -> no_return() when Status :: non_neg_integer() | 'abort' | string(). halt(_Status) -> erlang:nif_error(undefined). %% halt/2 %% Shadowed by erl_bif_types: erlang:halt/2 -spec halt(Status, Options) -> no_return() when Status :: non_neg_integer() | 'abort' | string(), Options :: [Option], Option :: {flush, boolean()}. halt(_Status, _Options) -> erlang:nif_error(undefined). %% hash/2 -spec erlang:hash(Term, Range) -> pos_integer() when Term :: term(), Range :: pos_integer(). hash(_Term, _Range) -> erlang:nif_error(undefined). %% hibernate/3 -spec erlang:hibernate(Module, Function, Args) -> no_return() when Module :: module(), Function :: atom(), Args :: [term()]. hibernate(_Module, _Function, _Args) -> erlang:nif_error(undefined). %% integer_to_list/1 -spec integer_to_list(Integer) -> string() when Integer :: integer(). integer_to_list(_Integer) -> erlang:nif_error(undefined). %% iolist_size/1 -spec iolist_size(Item) -> non_neg_integer() when Item :: iolist() | binary(). iolist_size(_Item) -> erlang:nif_error(undefined). %% iolist_to_binary/1 -spec iolist_to_binary(IoListOrBinary) -> binary() when IoListOrBinary :: iolist() | binary(). iolist_to_binary(_IoListOrBinary) -> erlang:nif_error(undefined). %% is_alive/0 -spec is_alive() -> boolean(). is_alive() -> erlang:nif_error(undefined). %% is_builtin/3 -spec erlang:is_builtin(Module, Function, Arity) -> boolean() when Module :: module(), Function :: atom(), Arity :: arity(). is_builtin(_Module, _Function, _Arity) -> erlang:nif_error(undefined). %% is_process_alive/1 -spec is_process_alive(Pid) -> boolean() when Pid :: pid(). is_process_alive(_Pid) -> erlang:nif_error(undefined). %% length/1 %% Shadowed by erl_bif_types: erlang:length/1 -spec length(List) -> non_neg_integer() when List :: [term()]. length(_List) -> erlang:nif_error(undefined). %% link/1 -spec link(PidOrPort) -> true when PidOrPort :: pid() | port(). link(_PidOrPort) -> erlang:nif_error(undefined). %% list_to_atom/1 -spec list_to_atom(String) -> atom() when String :: string(). list_to_atom(_String) -> erlang:nif_error(undefined). %% list_to_binary/1 -spec list_to_binary(IoList) -> binary() when IoList :: iolist(). list_to_binary(_IoList) -> erlang:nif_error(undefined). %% list_to_bitstr/1 -spec erlang:list_to_bitstr(P1) -> bitstring() when P1 :: bitstring_list(). list_to_bitstr(_P1) -> erlang:nif_error(undefined). %% list_to_bitstring/1 -spec list_to_bitstring(BitstringList) -> bitstring() when BitstringList :: bitstring_list(). list_to_bitstring(_BitstringList) -> erlang:nif_error(undefined). %% list_to_existing_atom/1 -spec list_to_existing_atom(String) -> atom() when String :: string(). list_to_existing_atom(_String) -> erlang:nif_error(undefined). %% list_to_float/1 -spec list_to_float(String) -> float() when String :: string(). list_to_float(_String) -> erlang:nif_error(undefined). %% list_to_integer/1 -spec list_to_integer(String) -> integer() when String :: string(). list_to_integer(_String) -> erlang:nif_error(undefined). %% list_to_pid/1 -spec list_to_pid(String) -> pid() when String :: string(). list_to_pid(_String) -> erlang:nif_error(undefined). %% list_to_tuple/1 -spec list_to_tuple(List) -> tuple() when List :: [term()]. list_to_tuple(_List) -> erlang:nif_error(undefined). %% loaded/0 -spec erlang:loaded() -> [Module] when Module :: module(). loaded() -> erlang:nif_error(undefined). %% localtime/0 -spec erlang:localtime() -> DateTime when DateTime :: calendar:datetime(). localtime() -> erlang:nif_error(undefined). %% make_ref/0 -spec make_ref() -> reference(). make_ref() -> erlang:nif_error(undefined). %% match_spec_test/3 -spec erlang:match_spec_test(P1, P2, P3) -> TestResult when P1 :: [term()] | tuple(), P2 :: term(), P3 :: table | trace, TestResult :: {ok, term(), [return_trace], [ {error | warning, string()} ]} | {error, [ {error | warning, string()} ]}. match_spec_test(_P1, _P2, _P3) -> erlang:nif_error(undefined). %% md5/1 -spec erlang:md5(Data) -> Digest when Data :: iodata(), Digest :: binary(). md5(_Data) -> erlang:nif_error(undefined). %% md5_final/1 -spec erlang:md5_final(Context) -> Digest when Context :: binary(), Digest :: binary(). md5_final(_Context) -> erlang:nif_error(undefined). %% md5_init/0 -spec erlang:md5_init() -> Context when Context :: binary(). md5_init() -> erlang:nif_error(undefined). %% md5_update/2 -spec erlang:md5_update(Context, Data) -> NewContext when Context :: binary(), Data :: iodata(), NewContext :: binary(). md5_update(_Context, _Data) -> erlang:nif_error(undefined). %% module_loaded/1 -spec module_loaded(Module) -> boolean() when Module :: module(). module_loaded(_Module) -> erlang:nif_error(undefined). %% monitor/2 -spec monitor(Type, Item) -> MonitorRef when Type :: process, Item :: pid() | Module | {Module, Node}, Module :: module(), Node :: node(), MonitorRef :: reference(). monitor(_Type, _Item) -> erlang:nif_error(undefined). %% monitor_node/2 -spec monitor_node(Node, Flag) -> true when Node :: node(), Flag :: boolean(). monitor_node(_Node, _Flag) -> erlang:nif_error(undefined). %% monitor_node/3 -spec erlang:monitor_node(Node, Flag, Options) -> true when Node :: node(), Flag :: boolean(), Options :: [Option], Option :: allow_passive_connect. monitor_node(_Node, _Flag, _Options) -> erlang:nif_error(undefined). %% nif_error/1 %% Shadowed by erl_bif_types: erlang:nif_error/1 -spec erlang:nif_error(Reason) -> no_return() when Reason :: term(). nif_error(_Reason) -> erlang:nif_error(undefined). %% nif_error/2 %% Shadowed by erl_bif_types: erlang:nif_error/2 -spec erlang:nif_error(Reason, Args) -> no_return() when Reason :: term(), Args :: [term()]. nif_error(_Reason, _Args) -> erlang:nif_error(undefined). %% node/0 %% Shadowed by erl_bif_types: erlang:node/0 -spec node() -> Node when Node :: node(). node() -> erlang:nif_error(undefined). %% node/1 %% Shadowed by erl_bif_types: erlang:node/1 -spec node(Arg) -> Node when Arg :: pid() | port() | reference(), Node :: node(). node(_Arg) -> erlang:nif_error(undefined). %% now/0 -spec now() -> Timestamp when Timestamp :: timestamp(). now() -> erlang:nif_error(undefined). %% phash/2 -spec erlang:phash(Term, Range) -> Hash when Term :: term(), Range :: pos_integer(), Hash :: pos_integer(). phash(_Term, _Range) -> erlang:nif_error(undefined). %% phash2/1 -spec erlang:phash2(Term) -> Hash when Term :: term(), Hash :: non_neg_integer(). phash2(_Term) -> erlang:nif_error(undefined). %% phash2/2 -spec erlang:phash2(Term, Range) -> Hash when Term :: term(), Range :: pos_integer(), Hash :: non_neg_integer(). phash2(_Term, _Range) -> erlang:nif_error(undefined). %% pid_to_list/1 -spec pid_to_list(Pid) -> string() when Pid :: pid(). pid_to_list(_Pid) -> erlang:nif_error(undefined). %% port_close/1 -spec port_close(Port) -> true when Port :: port() | atom(). port_close(_Port) -> erlang:nif_error(undefined). %% port_command/2 -spec port_command(Port, Data) -> true when Port :: port() | atom(), Data :: iodata(). port_command(_Port, _Data) -> erlang:nif_error(undefined). %% port_command/3 -spec port_command(Port, Data, OptionList) -> boolean() when Port :: port() | atom(), Data :: iodata(), OptionList :: [Option], Option :: force | nosuspend. port_command(_Port, _Data, _OptionList) -> erlang:nif_error(undefined). %% port_connect/2 -spec port_connect(Port, Pid) -> true when Port :: port() | atom(), Pid :: pid(). port_connect(_Port, _Pid) -> erlang:nif_error(undefined). %% port_control/3 -spec port_control(Port, Operation, Data) -> Res when Port :: port() | atom(), Operation :: integer(), Data :: iodata(), Res :: string() | binary(). port_control(_Port, _Operation, _Data) -> erlang:nif_error(undefined). %% port_get_data/1 -spec erlang:port_get_data(P1) -> term() when P1 :: port() | atom(). port_get_data(_P1) -> erlang:nif_error(undefined). %% port_set_data/2 -spec erlang:port_set_data(P1, P2) -> true when P1 :: port() | atom(), P2 :: term(). port_set_data(_P1, _P2) -> erlang:nif_error(undefined). %% port_to_list/1 -spec erlang:port_to_list(Port) -> string() when Port :: port(). port_to_list(_Port) -> erlang:nif_error(undefined). %% ports/0 -spec erlang:ports() -> [port()]. ports() -> erlang:nif_error(undefined). %% posixtime_to_universaltime/1 -spec erlang:posixtime_to_universaltime(P1) -> {calendar:date(), calendar:time()} when P1 :: integer(). posixtime_to_universaltime(_P1) -> erlang:nif_error(undefined). %% prepare_loading/2 -spec erlang:prepare_loading(Module, Code) -> PreparedCode | {error, Reason} when Module :: module(), Code :: binary(), PreparedCode :: binary(), Reason :: bad_file. prepare_loading(_Module, _Code) -> erlang:nif_error(undefined). %% pre_loaded/0 -spec pre_loaded() -> [module()]. pre_loaded() -> erlang:nif_error(undefined). %% process_display/2 -spec erlang:process_display(Pid, Type) -> true when Pid :: pid(), Type :: backtrace. process_display(_Pid, _Type) -> erlang:nif_error(undefined). %% process_flag/3 -spec process_flag(Pid, Flag, Value) -> OldValue when Pid :: pid(), Flag :: save_calls, Value :: non_neg_integer(), OldValue :: non_neg_integer(). process_flag(_Pid, _Flag, _Value) -> erlang:nif_error(undefined). %% process_info/1 -spec process_info(Pid) -> Info when Pid :: pid(), Info :: [InfoTuple] | undefined, InfoTuple :: process_info_result_item(). process_info(_Pid) -> erlang:nif_error(undefined). %% processes/0 -spec processes() -> [pid()]. processes() -> erlang:nif_error(undefined). %% purge_module/1 -spec purge_module(Module) -> true when Module :: atom(). purge_module(_Module) -> erlang:nif_error(undefined). %% put/2 -spec put(Key, Val) -> term() when Key :: term(), Val :: term(). put(_Key, _Val) -> erlang:nif_error(undefined). %% raise/3 -spec erlang:raise(Class, Reason, Stacktrace) -> no_return() when Class :: error | exit | throw, Reason :: term(), Stacktrace :: raise_stacktrace(). raise(_Class, _Reason, _Stacktrace) -> erlang:nif_error(undefined). %% read_timer/1 -spec erlang:read_timer(TimerRef) -> non_neg_integer() | false when TimerRef :: reference(). read_timer(_TimerRef) -> erlang:nif_error(undefined). %% ref_to_list/1 -spec erlang:ref_to_list(Ref) -> string() when Ref :: reference(). ref_to_list(_Ref) -> erlang:nif_error(undefined). %% register/2 -spec register(RegName, PidOrPort) -> true when RegName :: atom(), PidOrPort :: port() | pid(). register(_RegName, _PidOrPort) -> erlang:nif_error(undefined). %% registered/0 -spec registered() -> [RegName] when RegName :: atom(). registered() -> erlang:nif_error(undefined). %% resume_process/1 -spec erlang:resume_process(Suspendee) -> true when Suspendee :: pid(). resume_process(_Suspendee) -> erlang:nif_error(undefined). %% round/1 %% Shadowed by erl_bif_types: erlang:round/1 -spec round(Number) -> integer() when Number :: number(). round(_Number) -> erlang:nif_error(undefined). %% self/0 %% Shadowed by erl_bif_types: erlang:self/0 -spec self() -> pid(). self() -> erlang:nif_error(undefined). %% send_after/3 -spec erlang:send_after(Time, Dest, Msg) -> TimerRef when Time :: non_neg_integer(), Dest :: pid() | atom(), Msg :: term(), TimerRef :: reference(). send_after(_Time, _Dest, _Msg) -> erlang:nif_error(undefined). %% seq_trace/2 -spec erlang:seq_trace(P1, P2) -> seq_trace_info_returns() | {term(), term(), term(), term(), term()} when P1 :: atom(), P2 :: boolean() | {integer(), integer()} | integer() | []. seq_trace(_P1, _P2) -> erlang:nif_error(undefined). %% seq_trace_print/1 -spec erlang:seq_trace_print(P1) -> boolean() when P1 :: term(). seq_trace_print(_P1) -> erlang:nif_error(undefined). %% seq_trace_print/2 -spec erlang:seq_trace_print(P1, P2) -> boolean() when P1 :: atom() | integer(), P2 :: term(). seq_trace_print(_P1, _P2) -> erlang:nif_error(undefined). %% setnode/2 -spec erlang:setnode(P1, P2) -> true when P1 :: atom(), P2 :: integer(). setnode(_P1, _P2) -> erlang:nif_error(undefined). %% setnode/3 -spec erlang:setnode(P1, P2, P3) -> true when P1 :: atom(), P2 :: port(), P3 :: {term(), term(), term(), term()}. setnode(_P1, _P2, _P3) -> erlang:nif_error(undefined). %% size/1 %% Shadowed by erl_bif_types: erlang:size/1 -spec size(Item) -> non_neg_integer() when Item :: tuple() | binary(). size(_Item) -> erlang:nif_error(undefined). %% spawn/3 -spec spawn(Module, Function, Args) -> pid() when Module :: module(), Function :: atom(), Args :: [term()]. spawn(_Module, _Function, _Args) -> erlang:nif_error(undefined). %% spawn_link/3 -spec spawn_link(Module, Function, Args) -> pid() when Module :: module(), Function :: atom(), Args :: [term()]. spawn_link(_Module, _Function, _Args) -> erlang:nif_error(undefined). %% split_binary/2 -spec split_binary(Bin, Pos) -> {binary(), binary()} when Bin :: binary(), Pos :: non_neg_integer(). split_binary(_Bin, _Pos) -> erlang:nif_error(undefined). %% start_timer/3 -spec erlang:start_timer(Time, Dest, Msg) -> TimerRef when Time :: non_neg_integer(), Dest :: pid() | atom(), Msg :: term(), TimerRef :: reference(). start_timer(_Time, _Dest, _Msg) -> erlang:nif_error(undefined). %% suspend_process/2 -spec erlang:suspend_process(Suspendee, OptList) -> boolean() when Suspendee :: pid(), OptList :: [Opt], Opt :: unless_suspending | asynchronous. suspend_process(_Suspendee, _OptList) -> erlang:nif_error(undefined). %% system_monitor/0 -spec erlang:system_monitor() -> MonSettings when MonSettings :: undefined | { MonitorPid, Options }, MonitorPid :: pid(), Options :: [ system_monitor_option() ]. system_monitor() -> erlang:nif_error(undefined). %% system_monitor/1 -spec erlang:system_monitor(Arg) -> MonSettings when Arg :: undefined | { MonitorPid, Options }, MonSettings :: undefined | { MonitorPid, Options }, MonitorPid :: pid(), Options :: [ system_monitor_option() ]. system_monitor(_Arg) -> erlang:nif_error(undefined). %% system_monitor/2 -spec erlang:system_monitor(MonitorPid, Options) -> MonSettings when MonitorPid :: pid(), Options :: [ system_monitor_option() ], MonSettings :: undefined | { OldMonitorPid, OldOptions }, OldMonitorPid :: pid(), OldOptions :: [ system_monitor_option() ]. system_monitor(_MonitorPid, _Options) -> erlang:nif_error(undefined). %% system_profile/0 -spec erlang:system_profile() -> ProfilerSettings when ProfilerSettings :: undefined | { ProfilerPid, Options}, ProfilerPid :: pid() | port(), Options :: [ system_profile_option() ]. system_profile() -> erlang:nif_error(undefined). %% system_profile/2 -spec erlang:system_profile(ProfilerPid, Options) -> ProfilerSettings when ProfilerPid :: pid() | port() | undefined, Options :: [ system_profile_option() ], ProfilerSettings :: undefined | { pid() | port(), [ system_profile_option() ]}. system_profile(_ProfilerPid, _Options) -> erlang:nif_error(undefined). %% throw/1 %% Shadowed by erl_bif_types: erlang:throw/1 -spec throw(Any) -> no_return() when Any :: term(). throw(_Any) -> erlang:nif_error(undefined). %% time/0 -spec time() -> Time when Time :: calendar:time(). time() -> erlang:nif_error(undefined). %% trace/3 -spec erlang:trace(PidSpec, How, FlagList) -> integer() when PidSpec :: pid() | existing | new | all, How :: boolean(), FlagList :: [trace_flag()]. trace(_PidSpec, _How, _FlagList) -> erlang:nif_error(undefined). %% trace_delivered/1 -spec erlang:trace_delivered(Tracee) -> Ref when Tracee :: pid() | all, Ref :: reference(). trace_delivered(_Tracee) -> erlang:nif_error(undefined). %% trace_info/2 -spec erlang:trace_info(PidOrFunc, Item) -> Res when PidOrFunc :: pid() | new | {Module, Function, Arity} | on_load, Module :: module(), Function :: atom(), Arity :: arity(), Item :: flags | tracer | traced | match_spec | meta | meta_match_spec | call_count | call_time | all, Res :: trace_info_return(). trace_info(_PidOrFunc, _Item) -> erlang:nif_error(undefined). %% trunc/1 %% Shadowed by erl_bif_types: erlang:trunc/1 -spec trunc(Number) -> integer() when Number :: number(). trunc(_Number) -> erlang:nif_error(undefined). %% tuple_size/1 %% Shadowed by erl_bif_types: erlang:tuple_size/1 -spec tuple_size(Tuple) -> non_neg_integer() when Tuple :: tuple(). tuple_size(_Tuple) -> erlang:nif_error(undefined). %% universaltime/0 -spec erlang:universaltime() -> DateTime when DateTime :: calendar:datetime(). universaltime() -> erlang:nif_error(undefined). %% universaltime_to_posixtime/1 -spec erlang:universaltime_to_posixtime(P1) -> integer() when P1 :: {calendar:date(), calendar:time()}. universaltime_to_posixtime(_P1) -> erlang:nif_error(undefined). %% unlink/1 -spec unlink(Id) -> true when Id :: pid() | port(). unlink(_Id) -> erlang:nif_error(undefined). %% unregister/1 -spec unregister(RegName) -> true when RegName :: atom(). unregister(_RegName) -> erlang:nif_error(undefined). %% whereis/1 -spec whereis(RegName) -> pid() | port() | undefined when RegName :: atom(). whereis(_RegName) -> erlang:nif_error(undefined). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%% More complicated native code BIFs %%% These are here for the types/specs, the real implementation is in the C code. %%% This chunk is handwritten, i.e. contains more complicated specs. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% types and specs %% Shadowed by erl_bif_types: erlang:abs/1 -spec abs(Float) -> float() when Float :: float(); (Int) -> non_neg_integer() when Int :: integer(). abs(_Number) -> erlang:nif_error(undefined). %% Not documented %% Shadowed by erl_bif_types: erlang:append/2 -spec erlang:append(List,Tail) -> maybe_improper_list() when List :: [term()], Tail :: term(). append(_List,_Tail) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:element/2 -spec element(N, Tuple) -> term() when N :: pos_integer(), Tuple :: tuple(). element(_N, _Tuple) -> erlang:nif_error(undefined). %% Not documented -spec erlang:get_module_info(Module, Item) -> ModuleInfo when Module :: atom(), Item :: module | imports | exports | functions | attributes | compile | native_addresses, ModuleInfo :: atom() | [] | [{atom(), arity()}] | [{atom(), term()}] | [{atom(), arity(), integer()}]. get_module_info(_Module, _Item) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:hd/1 -spec hd(List) -> term() when List :: [term(), ...]. hd(_List) -> erlang:nif_error(undefined). %% erlang:info/1 no longer exists! %% Shadowed by erl_bif_types: erlang:is_atom/1 -spec is_atom(Term) -> boolean() when Term :: term(). is_atom(_Term) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:is_binary/1 -spec is_binary(Term) -> boolean() when Term :: term(). is_binary(_Term) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:is_bitstring/1 -spec is_bitstring(Term) -> boolean() when Term :: term(). is_bitstring(_Term) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:is_boolean/1 -spec is_boolean(Term) -> boolean() when Term :: term(). is_boolean(_Term) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:is_float/1 -spec is_float(Term) -> boolean() when Term :: term(). is_float(_Term) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:is_function/1 -spec is_function(Term) -> boolean() when Term :: term(). is_function(_Term) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:is_function/2 -spec is_function(Term, Arity) -> boolean() when Term :: term(), Arity :: arity(). is_function(_Term, _Arity) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:is_integer/1 -spec is_integer(Term) -> boolean() when Term :: term(). is_integer(_Term) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:is_list/1 -spec is_list(Term) -> boolean() when Term :: term(). is_list(_Term) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:is_number/1 -spec is_number(Term) -> boolean() when Term :: term(). is_number(_Term) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:is_pid/1 -spec is_pid(Term) -> boolean() when Term :: term(). is_pid(_Term) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:is_port/1 -spec is_port(Term) -> boolean() when Term :: term(). is_port(_Term) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:is_record/2 -spec is_record(Term,RecordTag) -> boolean() when Term :: term(), RecordTag :: atom(). is_record(_Term,_RecordTag) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:is_record/3 -spec is_record(Term,RecordTag,Size) -> boolean() when Term :: term(), RecordTag :: atom(), Size :: non_neg_integer(). is_record(_Term,_RecordTag,_Size) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:is_reference/1 -spec is_reference(Term) -> boolean() when Term :: term(). is_reference(_Term) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:is_tuple/1 -spec is_tuple(Term) -> boolean() when Term :: term(). is_tuple(_Term) -> erlang:nif_error(undefined). -spec load_module(Module, Binary) -> {module, Module} | {error, Reason} when Module :: module(), Binary :: binary(), Reason :: badfile | not_purged | on_load. load_module(Mod, Code) -> case erlang:prepare_loading(Mod, Code) of {error,_}=Error -> Error; Bin when erlang:is_binary(Bin) -> case erlang:finish_loading([Bin]) of ok -> {module,Mod}; {Error,[Mod]} -> {error,Error} end end. -spec erlang:load_nif(Path, LoadInfo) -> ok | Error when Path :: string(), LoadInfo :: term(), Error :: {error, {Reason, Text :: string()}}, Reason :: load_failed | bad_lib | load | reload | upgrade | old_code. load_nif(_Path, _LoadInfo) -> erlang:nif_error(undefined). -spec erlang:localtime_to_universaltime(Localtime, IsDst) -> Universaltime when Localtime :: calendar:datetime(), Universaltime :: calendar:datetime(), IsDst :: true | false | undefined. localtime_to_universaltime(_Localtime, _IsDst) -> erlang:nif_error(undefined). %% CHECK! Why the strange very thorough specification of the error %% condition with disallowed arity in erl_bif_types? %% Not documented -spec erlang:make_fun(Module, Function, Arity) -> function() when Module :: atom(), Function :: atom(), Arity :: arity(). make_fun(_Module,_Function, _Arity) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:make_tuple/2 -spec erlang:make_tuple(Arity, InitialValue) -> tuple() when Arity :: arity(), InitialValue :: term(). make_tuple(_Arity,_InitialValue) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:make_tuple/3 -spec erlang:make_tuple(Arity, DefaultValue, InitList) -> tuple() when Arity :: arity(), DefaultValue :: term(), InitList :: [{Position :: pos_integer(), term()}]. make_tuple(_Arity,_DefaultValue,_InitList) -> erlang:nif_error(undefined). -spec nodes(Arg) -> Nodes when Arg :: NodeType | [NodeType], NodeType :: visible | hidden | connected | this | known, Nodes :: [node()]. nodes(_Arg) -> erlang:nif_error(undefined). -spec open_port(PortName, PortSettings) -> port() when PortName :: {spawn, Command :: string()} | {spawn_driver, Command :: [byte()]} | {spawn_executable, FileName :: file:name() } | {fd, In :: non_neg_integer(), Out :: non_neg_integer()}, PortSettings :: [Opt], Opt :: {packet, N :: 1 | 2 | 4} | stream | {line, L :: non_neg_integer()} | {cd, Dir :: string()} | {env, Env :: [{Name :: string(), Val :: string() | false}]} | {args, [string() | binary()]} | {arg0, string() | binary()} | exit_status | use_stdio | nouse_stdio | stderr_to_stdout | in | out | binary | eof. open_port(_PortName,_PortSettings) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:port_call/2 -spec erlang:port_call(Port, Data) -> term() when Port :: port() | atom(), Data :: term(). port_call(_Port, _Data) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:port_call/3 -spec erlang:port_call(Port, Operation, Data) -> term() when Port :: port() | atom(), Operation :: integer(), Data :: term(). port_call(_Port, _Operation, _Data) -> erlang:nif_error(undefined). -type port_info_item() :: registered_name | id | connected | links | name | input | output | os_pid. -type port_info_result_item() :: {registered_name, RegName :: atom()} | {id, Index :: non_neg_integer()} | {connected, Pid :: pid()} | {links, Pids :: [pid()]} | {name, String :: string()} | {input, Bytes :: non_neg_integer()} | {output, Bytes :: non_neg_integer()} | {os_pid, OsPid :: non_neg_integer() | 'undefined'}. %% Shadowed by erl_bif_types: erlang:port_info/1 -spec erlang:port_info(Port) -> Result when Port :: port() | atom(), Result :: [port_info_result_item()] | undefined. port_info(_Result) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:port_info/2 -spec erlang:port_info(Port, Item) -> Result when Port :: port() | atom(), Item :: port_info_item(), Result :: port_info_result_item() | undefined. port_info(_Result, _Item) -> erlang:nif_error(undefined). -type priority_level() :: low | normal | high | max. -spec process_flag(trap_exit, Boolean) -> OldBoolean when Boolean :: boolean(), OldBoolean :: boolean(); (error_handler, Module) -> OldModule when Module :: atom(), OldModule :: atom(); (min_heap_size, MinHeapSize) -> OldMinHeapSize when MinHeapSize :: non_neg_integer(), OldMinHeapSize :: non_neg_integer(); (min_bin_vheap_size, MinBinVHeapSize) -> OldMinBinVHeapSize when MinBinVHeapSize :: non_neg_integer(), OldMinBinVHeapSize :: non_neg_integer(); (priority, Level) -> OldLevel when Level :: priority_level(), OldLevel :: priority_level(); (save_calls, N) -> OldN when N :: 0..10000, OldN :: 0..10000; (sensitive, Boolean) -> OldBoolean when Boolean :: boolean(), OldBoolean :: boolean(); %% Deliberately not documented. ({monitor_nodes, term()}, term()) -> term(); (monitor_nodes, term()) -> term(). process_flag(_Flag, _Value) -> erlang:nif_error(undefined). -type process_info_item() :: backtrace | binary | catchlevel | current_function | current_location | current_stacktrace | dictionary | error_handler | garbage_collection | group_leader | heap_size | initial_call | links | last_calls | memory | message_binary | message_que_len | messages | min_heap_size | min_bin_vheap_size | monitored_by | monitors | priority | reductions | registered_name | sequential_trace_token | stack_size | status | suspending | total_heap_size | trace | trap_exit. -type process_info_result_item() :: {backtrace, Bin :: binary()} | {binary, BinInfo :: [{non_neg_integer(), non_neg_integer(), non_neg_integer()}]} | {catchlevel, CatchLevel :: non_neg_integer()} | {current_function, {Module :: module(), Function :: atom(), Arity :: arity()}} | {current_location, {Module :: module(), Function :: atom(), Arity :: arity(), Location :: [{file, Filename :: string()} | % not a stack_item()! {line, Line :: pos_integer()}]}} | {current_stacktrace, Stack :: [stack_item()]} | {dictionary, Dictionary :: [{Key :: term(), Value :: term()}]} | {error_handler, Module :: module()} | {garbage_collection, GCInfo :: [{atom(),non_neg_integer()}]} | {group_leader, GroupLeader :: pid()} | {heap_size, Size :: non_neg_integer()} | {initial_call, mfa()} | {links, Pids :: [pid()]} | {last_calls, false | (Calls :: [mfa()])} | {memory, Size :: non_neg_integer()} | {message_binary, BinInfo :: term()} | {message_que_len, MessageQueueLen :: non_neg_integer()} | {messages, MessageQueue :: [term()]} | {min_heap_size, MinHeapSize :: non_neg_integer()} | {min_bin_vheap_size, MinBinVHeapSize :: non_neg_integer()} | {monitored_by, Pids :: [pid()]} | {monitors, Monitors :: [{process, Pid :: pid() | {RegName :: atom(), Node :: node()}}]} | {priority, Level :: priority_level()} | {reductions, Number :: non_neg_integer()} | {registered_name, Atom :: atom()} | {sequential_trace_token, [] | (SequentialTraceToken :: term())} | {stack_size, Size :: non_neg_integer()} | {status, Status :: exiting | garbage_collecting | waiting | running | runnable | suspended} | {suspending, SuspendeeList :: [{Suspendee :: pid(), ActiveSuspendCount :: non_neg_integer(), OutstandingSuspendCount ::non_neg_integer()}]} | {total_heap_size, Size :: non_neg_integer()} | {trace, InternalTraceFlags :: non_neg_integer()} | {trap_exit, Boolean :: boolean()}. -type stack_item() :: {Module :: module(), Function :: atom(), Arity :: arity() | (Args :: [term()]), Location :: [{file, Filename :: string()} | {line, Line :: pos_integer()}]}. -spec process_info(Pid, Item) -> InfoTuple | [] | undefined when Pid :: pid(), Item :: process_info_item(), InfoTuple :: process_info_result_item(); (Pid, ItemList) -> InfoTupleList | [] | undefined when Pid :: pid(), ItemList :: [Item], Item :: process_info_item(), InfoTupleList :: [InfoTuple], InfoTuple :: process_info_result_item(). process_info(_Pid,_ItemSpec) -> erlang:nif_error(undefined). -spec erlang:send(Dest, Msg) -> Msg when Dest :: dst(), Msg :: term(). send(_Dest,_Msg) -> erlang:nif_error(undefined). -spec erlang:send(Dest, Msg, Options) -> Res when Dest :: dst(), Msg :: term(), Options :: [nosuspend | noconnect], Res :: ok | nosuspend | noconnect. send(_Dest,_Msg,_Options) -> erlang:nif_error(undefined). %% Not documented -spec erlang:seq_trace_info(send) -> {send, boolean()}; ('receive') -> {'receive', boolean()}; (print) -> {print, boolean()}; (timestamp) -> {timestamp, boolean()}; (label) -> [] | {label, non_neg_integer()}; (serial) -> [] | {serial, {non_neg_integer(), non_neg_integer()}}. seq_trace_info(_What) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:setelement/3 -spec setelement(Index, Tuple1, Value) -> Tuple2 when Index :: pos_integer(), Tuple1 :: tuple(), Tuple2 :: tuple(), Value :: term(). setelement(_Index, _Tuple1, _Value) -> erlang:nif_error(undefined). -spec erlang:spawn_opt({Module, Function, Args, Options}) -> pid() | {pid(), reference()} when Module :: module(), Function :: atom(), Args :: [term()], Options :: [Option], Option :: link | monitor | {priority, Level} | {fullsweep_after, Number :: non_neg_integer()} | {min_heap_size, Size :: non_neg_integer()} | {min_bin_vheap_size, VSize :: non_neg_integer()}, Level :: low | normal | high. spawn_opt(_Tuple) -> erlang:nif_error(undefined). -spec statistics(context_switches) -> {ContextSwitches,0} when ContextSwitches :: non_neg_integer(); (exact_reductions) -> {Total_Exact_Reductions, Exact_Reductions_Since_Last_Call} when Total_Exact_Reductions :: non_neg_integer(), Exact_Reductions_Since_Last_Call :: non_neg_integer(); (garbage_collection) -> {Number_of_GCs, Words_Reclaimed, 0} when Number_of_GCs :: non_neg_integer(), Words_Reclaimed :: non_neg_integer(); (io) -> {{input, Input}, {output, Output}} when Input :: non_neg_integer(), Output :: non_neg_integer(); (reductions) -> {Total_Reductions, Reductions_Since_Last_Call} when Total_Reductions :: non_neg_integer(), Reductions_Since_Last_Call :: non_neg_integer(); (run_queue) -> non_neg_integer(); (runtime) -> {Total_Run_Time, Time_Since_Last_Call} when Total_Run_Time :: non_neg_integer(), Time_Since_Last_Call :: non_neg_integer(); (scheduler_wall_time) -> [{SchedulerId, ActiveTime, TotalTime}] | undefined when SchedulerId :: pos_integer(), ActiveTime :: non_neg_integer(), TotalTime :: non_neg_integer(); (wall_clock) -> {Total_Wallclock_Time, Wallclock_Time_Since_Last_Call} when Total_Wallclock_Time :: non_neg_integer(), Wallclock_Time_Since_Last_Call :: non_neg_integer(). statistics(_Item) -> erlang:nif_error(undefined). %% Not documented %% Shadowed by erl_bif_types: erlang:subtract/2 -spec erlang:subtract([term()], [term()]) -> [term()]. subtract(_,_) -> erlang:nif_error(undefined). -type scheduler_bind_type() :: 'no_node_processor_spread' | 'no_node_thread_spread' | 'no_spread' | 'processor_spread' | 'spread' | 'thread_spread' | 'thread_no_node_processor_spread' | 'unbound'. -spec erlang:system_flag(backtrace_depth, Depth) -> OldDepth when Depth :: non_neg_integer(), OldDepth :: non_neg_integer(); (cpu_topology, CpuTopology) -> OldCpuTopology when CpuTopology :: cpu_topology(), OldCpuTopology :: cpu_topology(); (fullsweep_after, Number) -> OldNumber when Number :: non_neg_integer(), OldNumber :: non_neg_integer(); (min_heap_size, MinHeapSize) -> OldMinHeapSize when MinHeapSize :: non_neg_integer(), OldMinHeapSize :: non_neg_integer(); (min_bin_vheap_size, MinBinVHeapSize) -> OldMinBinVHeapSize when MinBinVHeapSize :: non_neg_integer(), OldMinBinVHeapSize :: non_neg_integer(); (multi_scheduling, BlockState) -> OldBlockState when BlockState :: block | unblock, OldBlockState :: block | unblock | enabled; (scheduler_bind_type, How) -> OldBindType when How :: scheduler_bind_type() | default_bind, OldBindType :: scheduler_bind_type(); (scheduler_wall_time, Boolean) -> OldBoolean when Boolean :: boolean(), OldBoolean :: boolean(); (schedulers_online, SchedulersOnline) -> OldSchedulersOnline when SchedulersOnline :: pos_integer(), OldSchedulersOnline :: pos_integer(); (trace_control_word, TCW) -> OldTCW when TCW :: non_neg_integer(), OldTCW :: non_neg_integer(); %% These are deliberately not documented (internal_cpu_topology, term()) -> term(); (sequential_tracer, pid() | port() | false) -> pid() | port() | false; (1,0) -> true. system_flag(_Flag, _Value) -> erlang:nif_error(undefined). -spec term_to_binary(Term) -> ext_binary() when Term :: term(). term_to_binary(_Term) -> erlang:nif_error(undefined). -spec term_to_binary(Term, Options) -> ext_binary() when Term :: term(), Options :: [compressed | {compressed, Level :: 0..9} | {minor_version, Version :: 0..1} ]. term_to_binary(_Term, _Options) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:tl/1 -spec tl(List) -> term() when List :: [term(), ...]. tl(_List) -> erlang:nif_error(undefined). -type trace_pattern_mfa() :: {atom(),atom(),arity() | '_'} | on_load. -type trace_match_spec() :: [{[term()] | '_' ,[term()],[term()]}]. -spec erlang:trace_pattern(MFA, MatchSpec) -> non_neg_integer() when MFA :: trace_pattern_mfa(), MatchSpec :: (MatchSpecList :: trace_match_spec()) | boolean() | restart | pause. trace_pattern(_MFA, _MatchSpec) -> erlang:nif_error(undefined). -type trace_pattern_flag() :: global | local | meta | {meta, Pid :: pid()} | call_count | call_time. -spec erlang:trace_pattern(MFA, MatchSpec, FlagList) -> non_neg_integer() when MFA :: trace_pattern_mfa(), MatchSpec :: (MatchSpecList :: trace_match_spec()) | boolean() | restart | pause, FlagList :: [ trace_pattern_flag() ]. trace_pattern(_MFA, _MatchSpec, _FlagList) -> erlang:nif_error(undefined). %% Shadowed by erl_bif_types: erlang:tuple_to_list/1 -spec tuple_to_list(Tuple) -> [term()] when Tuple :: tuple(). tuple_to_list(_Tuple) -> erlang:nif_error(undefined). -type cpu_topology() :: [LevelEntry :: level_entry()] | undefined. -type level_entry() :: {LevelTag :: level_tag(), SubLevel :: sub_level()} | {LevelTag :: level_tag(), InfoList :: info_list(), SubLevel :: sub_level()}. -type level_tag() :: core | node | processor | thread. -type sub_level() :: [LevelEntry :: level_entry()] | (LogicalCpuId :: {logical, non_neg_integer()}). -type info_list() :: []. %% Note: changing the ordering number of a clause will change the docs! %% Shadowed by erl_bif_types: erlang:system_info/1 -spec erlang:system_info (allocated_areas) -> [ tuple() ]; (allocator) -> {Allocator, Version, Features, Settings} when Allocator :: undefined | glibc, Version :: [non_neg_integer()], Features :: [atom()], Settings :: [{Subsystem :: atom(), [{Parameter :: atom(), Value :: term()}]}]; (alloc_util_allocators) -> [Alloc] when Alloc :: atom(); ({allocator, Alloc}) -> [_] when %% More or less anything Alloc :: atom(); ({allocator_sizes, Alloc}) -> [_] when %% More or less anything Alloc :: atom(); (build_type) -> opt | debug | purify | quantify | purecov | gcov | valgrind | gprof | lcnt; (c_compiler_used) -> {atom(), term()}; (check_io) -> [_]; (compat_rel) -> integer(); (cpu_topology) -> CpuTopology when CpuTopology :: cpu_topology(); ({cpu_topology, defined | detected | used}) -> CpuTopology when CpuTopology :: cpu_topology(); (creation) -> integer(); (debug_compiled) -> boolean(); (dist) -> binary(); (dist_ctrl) -> {Node :: node(), ControllingEntity :: port() | pid()}; (driver_version) -> string(); (dynamic_trace) -> none | dtrace | systemtap; (dynamic_trace_probes) -> boolean(); (elib_malloc) -> false; (dist_buf_busy_limit) -> non_neg_integer(); (fullsweep_after) -> {fullsweep_after, non_neg_integer()}; (garbage_collection) -> [{atom(), integer()}]; (global_heaps_size) -> non_neg_integer(); (heap_sizes) -> [non_neg_integer()]; (heap_type) -> private | shared | hybrid; (info) -> binary(); (kernel_poll) -> boolean(); (loaded) -> binary(); (logical_processors | logical_processors_available | logical_processors_online) -> unknown | pos_integer(); (machine) -> string(); (min_heap_size) -> {min_heap_size, MinHeapSize :: pos_integer()}; (min_bin_vheap_size) -> {min_bin_vheap_size, MinBinVHeapSize :: pos_integer()}; (modified_timing_level) -> integer() | undefined; (multi_scheduling) -> disabled | blocked | enabled; (multi_scheduling_blockers) -> [PID :: pid()]; (otp_release) -> string(); (process_count) -> pos_integer(); (process_limit) -> pos_integer(); (procs) -> binary(); (scheduler_bind_type) -> spread | processor_spread | thread_spread | thread_no_node_processor_spread | no_node_processor_spread | no_node_thread_spread | no_spread | unbound; (scheduler_bindings) -> tuple(); (scheduler_id) -> SchedulerId :: pos_integer(); (schedulers | schedulers_online) -> pos_integer(); (smp_support) -> boolean(); (system_version) -> string(); (system_architecture) -> string(); (threads) -> boolean(); (thread_pool_size) -> non_neg_integer(); (trace_control_word) -> non_neg_integer(); (update_cpu_info) -> changed | unchanged; (version) -> string(); (wordsize | {wordsize, internal} | {wordsize, external}) -> 4 | 8. system_info(_Item) -> erlang:nif_error(undefined). -spec erlang:universaltime_to_localtime(Universaltime) -> Localtime when Localtime :: calendar:datetime(), Universaltime :: calendar:datetime(). universaltime_to_localtime(_Universaltime) -> erlang:nif_error(undefined). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%% End of native code BIFs %%% Actual Erlang implementation of some BIF's follow %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%-------------------------------------------------------------------------- -spec apply(Fun, Args) -> term() when Fun :: function(), Args :: [term()]. apply(Fun, Args) -> erlang:apply(Fun, Args). %% Shadowed by erl_bif_types: erlang:apply/3 -spec apply(Module, Function, Args) -> term() when Module :: module(), Function :: atom(), Args :: [term()]. apply(Mod, Name, Args) -> erlang:apply(Mod, Name, Args). %% Spawns with a fun -spec spawn(Fun) -> pid() when Fun :: function(). spawn(F) when erlang:is_function(F) -> erlang:spawn(erlang, apply, [F, []]); spawn({M,F}=MF) when erlang:is_atom(M), erlang:is_atom(F) -> erlang:spawn(erlang, apply, [MF, []]); spawn(F) -> erlang:error(badarg, [F]). -spec spawn(Node, Fun) -> pid() when Node :: node(), Fun :: function(). spawn(N, F) when N =:= erlang:node() -> erlang:spawn(F); spawn(N, F) when erlang:is_function(F) -> erlang:spawn(N, erlang, apply, [F, []]); spawn(N, {M,F}=MF) when erlang:is_atom(M), erlang:is_atom(F) -> erlang:spawn(N, erlang, apply, [MF, []]); spawn(N, F) -> erlang:error(badarg, [N, F]). -spec spawn_link(Fun) -> pid() when Fun :: function(). spawn_link(F) when erlang:is_function(F) -> erlang:spawn_link(erlang, apply, [F, []]); spawn_link({M,F}=MF) when erlang:is_atom(M), erlang:is_atom(F) -> erlang:spawn_link(erlang, apply, [MF, []]); spawn_link(F) -> erlang:error(badarg, [F]). -spec spawn_link(Node, Fun) -> pid() when Node :: node(), Fun :: function(). spawn_link(N, F) when N =:= erlang:node() -> spawn_link(F); spawn_link(N, F) when erlang:is_function(F) -> spawn_link(N, erlang, apply, [F, []]); spawn_link(N, {M,F}=MF) when erlang:is_atom(M), erlang:is_atom(F) -> spawn_link(N, erlang, apply, [MF, []]); spawn_link(N, F) -> erlang:error(badarg, [N, F]). %% Spawn and atomically set up a monitor. -spec spawn_monitor(Fun) -> {pid(), reference()} when Fun :: function(). spawn_monitor(F) when erlang:is_function(F, 0) -> erlang:spawn_opt({erlang,apply,[F,[]],[monitor]}); spawn_monitor(F) -> erlang:error(badarg, [F]). -spec spawn_monitor(Module, Function, Args) -> {pid(), reference()} when Module :: module(), Function :: atom(), Args :: [term()]. spawn_monitor(M, F, A) when erlang:is_atom(M), erlang:is_atom(F), erlang:is_list(A) -> erlang:spawn_opt({M,F,A,[monitor]}); spawn_monitor(M, F, A) -> erlang:error(badarg, [M,F,A]). -spec spawn_opt(Fun, Options) -> pid() | {pid(), reference()} when Fun :: function(), Options :: [Option], Option :: link | monitor | {priority, Level} | {fullsweep_after, Number :: non_neg_integer()} | {min_heap_size, Size :: non_neg_integer()} | {min_bin_vheap_size, VSize :: non_neg_integer()}, Level :: low | normal | high. spawn_opt(F, O) when erlang:is_function(F) -> spawn_opt(erlang, apply, [F, []], O); spawn_opt({M,F}=MF, O) when erlang:is_atom(M), erlang:is_atom(F) -> spawn_opt(erlang, apply, [MF, []], O); spawn_opt({M,F,A}, O) -> % For (undocumented) backward compatibility spawn_opt(M, F, A, O); spawn_opt(F, O) -> erlang:error(badarg, [F, O]). -spec spawn_opt(Node, Fun, Options) -> pid() | {pid(), reference()} when Node :: node(), Fun :: function(), Options :: [Option], Option :: link | monitor | {priority, Level} | {fullsweep_after, Number :: non_neg_integer()} | {min_heap_size, Size :: non_neg_integer()} | {min_bin_vheap_size, VSize :: non_neg_integer()}, Level :: low | normal | high. spawn_opt(N, F, O) when N =:= erlang:node() -> spawn_opt(F, O); spawn_opt(N, F, O) when erlang:is_function(F) -> spawn_opt(N, erlang, apply, [F, []], O); spawn_opt(N, {M,F}=MF, O) when erlang:is_atom(M), erlang:is_atom(F) -> spawn_opt(N, erlang, apply, [MF, []], O); spawn_opt(N, F, O) -> erlang:error(badarg, [N, F, O]). %% Spawns with MFA -spec spawn(Node, Module, Function, Args) -> pid() when Node :: node(), Module :: module(), Function :: atom(), Args :: [term()]. spawn(N,M,F,A) when N =:= erlang:node(), erlang:is_atom(M), erlang:is_atom(F), erlang:is_list(A) -> erlang:spawn(M,F,A); spawn(N,M,F,A) when erlang:is_atom(N), erlang:is_atom(M), erlang:is_atom(F) -> case is_well_formed_list(A) of true -> ok; false -> erlang:error(badarg, [N, M, F, A]) end, case catch gen_server:call({net_kernel,N}, {spawn,M,F,A,erlang:group_leader()}, infinity) of Pid when erlang:is_pid(Pid) -> Pid; Error -> case remote_spawn_error(Error, {no_link, N, M, F, A, []}) of {fault, Fault} -> erlang:error(Fault, [N, M, F, A]); Pid -> Pid end end; spawn(N,M,F,A) -> erlang:error(badarg, [N, M, F, A]). -spec spawn_link(Node, Module, Function, Args) -> pid() when Node :: node(), Module :: module(), Function :: atom(), Args :: [term()]. spawn_link(N,M,F,A) when N =:= erlang:node(), erlang:is_atom(M), erlang:is_atom(F), erlang:is_list(A) -> erlang:spawn_link(M,F,A); spawn_link(N,M,F,A) when erlang:is_atom(N), erlang:is_atom(M), erlang:is_atom(F) -> case is_well_formed_list(A) of true -> ok; _ -> erlang:error(badarg, [N, M, F, A]) end, case catch gen_server:call({net_kernel,N}, {spawn_link,M,F,A,erlang:group_leader()}, infinity) of Pid when erlang:is_pid(Pid) -> Pid; Error -> case remote_spawn_error(Error, {link, N, M, F, A, []}) of {fault, Fault} -> erlang:error(Fault, [N, M, F, A]); Pid -> Pid end end; spawn_link(N,M,F,A) -> erlang:error(badarg, [N, M, F, A]). -spec spawn_opt(Module, Function, Args, Options) -> pid() | {pid(), reference()} when Module :: module(), Function :: atom(), Args :: [term()], Options :: [Option], Option :: link | monitor | {priority, Level} | {fullsweep_after, Number :: non_neg_integer()} | {min_heap_size, Size :: non_neg_integer()} | {min_bin_vheap_size, VSize :: non_neg_integer()}, Level :: low | normal | high. spawn_opt(M, F, A, Opts) -> case catch erlang:spawn_opt({M,F,A,Opts}) of {'EXIT',{Reason,_}} -> erlang:error(Reason, [M,F,A,Opts]); Res -> Res end. -spec spawn_opt(Node, Module, Function, Args, Options) -> pid() | {pid(), reference()} when Node :: node(), Module :: module(), Function :: atom(), Args :: [term()], Options :: [Option], Option :: link | monitor | {priority, Level} | {fullsweep_after, Number :: non_neg_integer()} | {min_heap_size, Size :: non_neg_integer()} | {min_bin_vheap_size, VSize :: non_neg_integer()}, Level :: low | normal | high. spawn_opt(N, M, F, A, O) when N =:= erlang:node(), erlang:is_atom(M), erlang:is_atom(F), erlang:is_list(A), erlang:is_list(O) -> spawn_opt(M, F, A, O); spawn_opt(N, M, F, A, O) when erlang:is_atom(N), erlang:is_atom(M), erlang:is_atom(F) -> case {is_well_formed_list(A), is_well_formed_list(O)} of {true, true} -> ok; _ -> erlang:error(badarg, [N, M, F, A, O]) end, case lists:member(monitor, O) of false -> ok; true -> erlang:error(badarg, [N, M, F, A, O]) end, {L,NO} = lists:foldl(fun (link, {_, NewOpts}) -> {link, NewOpts}; (Opt, {LO, NewOpts}) -> {LO, [Opt|NewOpts]} end, {no_link,[]}, O), case catch gen_server:call({net_kernel,N}, {spawn_opt,M,F,A,NO,L,erlang:group_leader()}, infinity) of Pid when erlang:is_pid(Pid) -> Pid; Error -> case remote_spawn_error(Error, {L, N, M, F, A, NO}) of {fault, Fault} -> erlang:error(Fault, [N, M, F, A, O]); Pid -> Pid end end; spawn_opt(N,M,F,A,O) -> erlang:error(badarg, [N,M,F,A,O]). remote_spawn_error({'EXIT', {{nodedown,N}, _}}, {L, N, M, F, A, O}) -> {Opts, LL} = case L =:= link of true -> {[link|O], [link]}; false -> {O, []} end, spawn_opt(erlang,crasher,[N,M,F,A,Opts,noconnection], LL); remote_spawn_error({'EXIT', {Reason, _}}, _) -> {fault, Reason}; remote_spawn_error({'EXIT', Reason}, _) -> {fault, Reason}; remote_spawn_error(Other, _) -> {fault, Other}. is_well_formed_list([]) -> true; is_well_formed_list([_|Rest]) -> is_well_formed_list(Rest); is_well_formed_list(_) -> false. crasher(Node,Mod,Fun,Args,[],Reason) -> error_logger:warning_msg("** Can not start ~w:~w,~w on ~w **~n", [Mod,Fun,Args,Node]), erlang:exit(Reason); crasher(Node,Mod,Fun,Args,Opts,Reason) -> error_logger:warning_msg("** Can not start ~w:~w,~w (~w) on ~w **~n", [Mod,Fun,Args,Opts,Node]), erlang:exit(Reason). -spec erlang:yield() -> 'true'. yield() -> erlang:yield(). -spec nodes() -> Nodes when Nodes :: [node()]. nodes() -> erlang:nodes(visible). -spec disconnect_node(Node) -> boolean() | ignored when Node :: node(). disconnect_node(Node) -> net_kernel:disconnect(Node). -spec erlang:fun_info(Fun) -> [{Item, Info}] when Fun :: function(), Item :: arity | env | index | name | module | new_index | new_uniq | pid | type | uniq, Info :: term(). fun_info(Fun) when erlang:is_function(Fun) -> Keys = [type,env,arity,name,uniq,index,new_uniq,new_index,module,pid], fun_info_1(Keys, Fun, []). fun_info_1([K|Ks], Fun, A) -> case erlang:fun_info(Fun, K) of {K,undefined} -> fun_info_1(Ks, Fun, A); {K,_}=P -> fun_info_1(Ks, Fun, [P|A]) end; fun_info_1([], _, A) -> A. -type dst() :: pid() | port() | (RegName :: atom()) | {RegName :: atom(), Node :: node()}. -spec erlang:send_nosuspend(Dest, Msg) -> boolean() when Dest :: dst(), Msg :: term(). send_nosuspend(Pid, Msg) -> send_nosuspend(Pid, Msg, []). -spec erlang:send_nosuspend(Dest, Msg, Options) -> boolean() when Dest :: dst(), Msg :: term(), Options :: [noconnect]. send_nosuspend(Pid, Msg, Opts) -> case erlang:send(Pid, Msg, [nosuspend|Opts]) of ok -> true; _ -> false end. -spec erlang:localtime_to_universaltime(Localtime) -> Universaltime when Localtime :: calendar:datetime(), Universaltime :: calendar:datetime(). localtime_to_universaltime(Localtime) -> erlang:localtime_to_universaltime(Localtime, undefined). -spec erlang:suspend_process(Suspendee) -> 'true' when Suspendee :: pid(). suspend_process(P) -> case catch erlang:suspend_process(P, []) of {'EXIT', {Reason, _}} -> erlang:error(Reason, [P]); {'EXIT', Reason} -> erlang:error(Reason, [P]); Res -> Res end. %% %% If the emulator wants to perform a distributed command and %% a connection is not established to the actual node the following %% functions are called in order to set up the connection and then %% reactivate the command. %% -spec erlang:dlink(pid() | port()) -> 'true'. dlink(Pid) -> case net_kernel:connect(erlang:node(Pid)) of true -> erlang:link(Pid); false -> erlang:dist_exit(erlang:self(), noconnection, Pid), true end. %% Can this ever happen? -spec erlang:dunlink(identifier()) -> 'true'. dunlink(Pid) -> case net_kernel:connect(erlang:node(Pid)) of true -> erlang:unlink(Pid); false -> true end. dmonitor_node(Node, Flag, []) -> case net_kernel:connect(Node) of true -> erlang:monitor_node(Node, Flag, []); false -> erlang:self() ! {nodedown, Node}, true end; dmonitor_node(Node, Flag, Opts) -> case lists:member(allow_passive_connect, Opts) of true -> case net_kernel:passive_cnct(Node) of true -> erlang:monitor_node(Node, Flag, Opts); false -> erlang:self() ! {nodedown, Node}, true end; _ -> dmonitor_node(Node,Flag,[]) end. dgroup_leader(Leader, Pid) -> case net_kernel:connect(erlang:node(Pid)) of true -> erlang:group_leader(Leader, Pid); false -> true %% bad arg ? end. dexit(Pid, Reason) -> case net_kernel:connect(erlang:node(Pid)) of true -> erlang:exit(Pid, Reason); false -> true end. dsend(Pid, Msg) when erlang:is_pid(Pid) -> case net_kernel:connect(erlang:node(Pid)) of true -> erlang:send(Pid, Msg); false -> Msg end; dsend(Port, Msg) when erlang:is_port(Port) -> case net_kernel:connect(erlang:node(Port)) of true -> erlang:send(Port, Msg); false -> Msg end; dsend({Name, Node}, Msg) -> case net_kernel:connect(Node) of true -> erlang:send({Name,Node}, Msg); false -> Msg; ignored -> Msg % Not distributed. end. dsend(Pid, Msg, Opts) when erlang:is_pid(Pid) -> case net_kernel:connect(erlang:node(Pid)) of true -> erlang:send(Pid, Msg, Opts); false -> ok end; dsend(Port, Msg, Opts) when erlang:is_port(Port) -> case net_kernel:connect(erlang:node(Port)) of true -> erlang:send(Port, Msg, Opts); false -> ok end; dsend({Name, Node}, Msg, Opts) -> case net_kernel:connect(Node) of true -> erlang:send({Name,Node}, Msg, Opts); false -> ok; ignored -> ok % Not distributed. end. -spec erlang:dmonitor_p('process', pid() | {atom(),atom()}) -> reference(). dmonitor_p(process, ProcSpec) -> %% ProcSpec = pid() | {atom(),atom()} %% ProcSpec CANNOT be an atom because a locally registered process %% is never handled here. Node = case ProcSpec of {S,N} when erlang:is_atom(S), erlang:is_atom(N), N =/= erlang:node() -> N; _ when erlang:is_pid(ProcSpec) -> erlang:node(ProcSpec) end, case net_kernel:connect(Node) of true -> erlang:monitor(process, ProcSpec); false -> Ref = erlang:make_ref(), erlang:self() ! {'DOWN', Ref, process, ProcSpec, noconnection}, Ref end. %% %% Trap function used when modified timing has been enabled. %% -spec erlang:delay_trap(Result, timeout()) -> Result. delay_trap(Result, 0) -> erlang:yield(), Result; delay_trap(Result, Timeout) -> receive after Timeout -> Result end. %% %% The business with different in and out cookies represented %% everywhere is discarded. %% A node has a cookie, connections/messages to that node use that cookie. %% Messages to us use our cookie. IF we change our cookie, other nodes %% have to reflect that, which we cannot forsee. %% -spec erlang:set_cookie(Node, Cookie) -> true when Node :: node(), Cookie :: atom(). set_cookie(Node, C) when Node =/= nonode@nohost, erlang:is_atom(Node) -> case erlang:is_atom(C) of true -> auth:set_cookie(Node, C); false -> erlang:error(badarg) end. -spec erlang:get_cookie() -> Cookie | nocookie when Cookie :: atom(). get_cookie() -> auth:get_cookie(). -spec integer_to_list(Integer, Base) -> string() when Integer :: integer(), Base :: 2..36. integer_to_list(I, 10) -> erlang:integer_to_list(I); integer_to_list(I, Base) when erlang:is_integer(I), erlang:is_integer(Base), Base >= 2, Base =< 1+$Z-$A+10 -> if I < 0 -> [$-|integer_to_list(-I, Base, [])]; true -> integer_to_list(I, Base, []) end; integer_to_list(I, Base) -> erlang:error(badarg, [I, Base]). integer_to_list(I0, Base, R0) -> D = I0 rem Base, I1 = I0 div Base, R1 = if D >= 10 -> [D-10+$A|R0]; true -> [D+$0|R0] end, if I1 =:= 0 -> R1; true -> integer_to_list(I1, Base, R1) end. -spec list_to_integer(String, Base) -> integer() when String :: string(), Base :: 2..36. list_to_integer(L, 10) -> erlang:list_to_integer(L); list_to_integer(L, Base) when erlang:is_list(L), erlang:is_integer(Base), Base >= 2, Base =< 1+$Z-$A+10 -> case list_to_integer_sign(L, Base) of I when erlang:is_integer(I) -> I; Fault -> erlang:error(Fault, [L,Base]) end; list_to_integer(L, Base) -> erlang:error(badarg, [L,Base]). list_to_integer_sign([$-|[_|_]=L], Base) -> case list_to_integer(L, Base, 0) of I when erlang:is_integer(I) -> -I; I -> I end; list_to_integer_sign([$+|[_|_]=L], Base) -> list_to_integer(L, Base, 0); list_to_integer_sign([_|_]=L, Base) -> list_to_integer(L, Base, 0); list_to_integer_sign(_, _) -> badarg. list_to_integer([D|L], Base, I) when erlang:is_integer(D), D >= $0, D =< $9, D < Base+$0 -> list_to_integer(L, Base, I*Base + D-$0); list_to_integer([D|L], Base, I) when erlang:is_integer(D), D >= $A, D < Base+$A-10 -> list_to_integer(L, Base, I*Base + D-$A+10); list_to_integer([D|L], Base, I) when erlang:is_integer(D), D >= $a, D < Base+$a-10 -> list_to_integer(L, Base, I*Base + D-$a+10); list_to_integer([], _, I) -> I; list_to_integer(_, _, _) -> badarg. %% erlang:flush_monitor_message/2 is for internal use only! %% %% erlang:demonitor(Ref, [flush]) traps to %% erlang:flush_monitor_message(Ref, Res) when %% it needs to flush a monitor message. flush_monitor_message(Ref, Res) when erlang:is_reference(Ref), erlang:is_atom(Res) -> receive {_, Ref, _, _, _} -> ok after 0 -> ok end, Res. -record(cpu, {node = -1, processor = -1, processor_node = -1, core = -1, thread = -1, logical = -1}). %% erlang:set_cpu_topology/1 is for internal use only! %% %% erlang:system_flag(cpu_topology, CpuTopology) traps to %% erlang:set_cpu_topology(CpuTopology). set_cpu_topology(CpuTopology) -> try format_cpu_topology(erlang:system_flag(internal_cpu_topology, cput_e2i(CpuTopology))) catch Class:Exception when Class =/= error; Exception =/= internal_error -> erlang:error(badarg, [CpuTopology]) end. cput_e2i_clvl({logical, _}, _PLvl) -> #cpu.logical; cput_e2i_clvl([E | _], PLvl) -> case erlang:element(1, E) of node -> case PLvl of 0 -> #cpu.node; #cpu.processor -> #cpu.processor_node end; processor -> case PLvl of 0 -> #cpu.node; #cpu.node -> #cpu.processor end; core -> #cpu.core; thread -> #cpu.thread end. cput_e2i(undefined) -> undefined; cput_e2i(E) -> rvrs(cput_e2i(E, -1, -1, #cpu{}, 0, cput_e2i_clvl(E, 0), [])). cput_e2i([], _NId, _PId, _IS, _PLvl, _Lvl, Res) -> Res; cput_e2i([E|Es], NId0, PId, IS, PLvl, Lvl, Res0) -> case cput_e2i(E, NId0, PId, IS, PLvl, Lvl, Res0) of [] -> cput_e2i(Es, NId0, PId, IS, PLvl, Lvl, Res0); [#cpu{node = N, processor = P, processor_node = PN} = CPU|_] = Res1 -> NId1 = case N > PN of true -> N; false -> PN end, cput_e2i(Es, NId1, P, CPU, PLvl, Lvl, Res1) end; cput_e2i({Tag, [], TagList}, Nid, PId, CPU, PLvl, Lvl, Res) -> %% Currently [] is the only valid InfoList cput_e2i({Tag, TagList}, Nid, PId, CPU, PLvl, Lvl, Res); cput_e2i({node, NL}, Nid0, PId, _CPU, 0, #cpu.node, Res) -> Nid1 = Nid0+1, Lvl = cput_e2i_clvl(NL, #cpu.node), cput_e2i(NL, Nid1, PId, #cpu{node = Nid1}, #cpu.node, Lvl, Res); cput_e2i({processor, PL}, Nid, PId0, _CPU, 0, #cpu.node, Res) -> PId1 = PId0+1, Lvl = cput_e2i_clvl(PL, #cpu.processor), cput_e2i(PL, Nid, PId1, #cpu{processor = PId1}, #cpu.processor, Lvl, Res); cput_e2i({processor, PL}, Nid, PId0, CPU, PLvl, CLvl, Res) when PLvl < #cpu.processor, CLvl =< #cpu.processor -> PId1 = PId0+1, Lvl = cput_e2i_clvl(PL, #cpu.processor), cput_e2i(PL, Nid, PId1, CPU#cpu{processor = PId1, processor_node = -1, core = -1, thread = -1}, #cpu.processor, Lvl, Res); cput_e2i({node, NL}, Nid0, PId, CPU, #cpu.processor, #cpu.processor_node, Res) -> Nid1 = Nid0+1, Lvl = cput_e2i_clvl(NL, #cpu.processor_node), cput_e2i(NL, Nid1, PId, CPU#cpu{processor_node = Nid1}, #cpu.processor_node, Lvl, Res); cput_e2i({core, CL}, Nid, PId, #cpu{core = C0} = CPU, PLvl, #cpu.core, Res) when PLvl < #cpu.core -> Lvl = cput_e2i_clvl(CL, #cpu.core), cput_e2i(CL, Nid, PId, CPU#cpu{core = C0+1, thread = -1}, #cpu.core, Lvl, Res); cput_e2i({thread, TL}, Nid, PId, #cpu{thread = T0} = CPU, PLvl, #cpu.thread, Res) when PLvl < #cpu.thread -> Lvl = cput_e2i_clvl(TL, #cpu.thread), cput_e2i(TL, Nid, PId, CPU#cpu{thread = T0+1}, #cpu.thread, Lvl, Res); cput_e2i({logical, ID}, _Nid, PId, #cpu{processor=P, core=C, thread=T} = CPU, PLvl, #cpu.logical, Res) when PLvl < #cpu.logical, erlang:is_integer(ID), 0 =< ID, ID < 65536 -> [CPU#cpu{processor = case P of -1 -> PId+1; _ -> P end, core = case C of -1 -> 0; _ -> C end, thread = case T of -1 -> 0; _ -> T end, logical = ID} | Res]. %% erlang:format_cpu_topology/1 is for internal use only! %% %% erlang:system_info(cpu_topology), %% and erlang:system_info({cpu_topology, Which}) traps to %% erlang:format_cpu_topology(InternalCpuTopology). format_cpu_topology(InternalCpuTopology) -> try cput_i2e(InternalCpuTopology) catch _ : _ -> erlang:error(internal_error, [InternalCpuTopology]) end. cput_i2e(undefined) -> undefined; cput_i2e(Is) -> cput_i2e(Is, true, #cpu.node, cput_i2e_tag_map()). cput_i2e([], _Frst, _Lvl, _TM) -> []; cput_i2e([#cpu{logical = LID}| _], _Frst, Lvl, _TM) when Lvl == #cpu.logical -> {logical, LID}; cput_i2e([#cpu{} = I | Is], Frst, Lvl, TM) -> cput_i2e(erlang:element(Lvl, I), Frst, Is, [I], Lvl, TM). cput_i2e(V, Frst, [I | Is], SameV, Lvl, TM) when V =:= erlang:element(Lvl, I) -> cput_i2e(V, Frst, Is, [I | SameV], Lvl, TM); cput_i2e(-1, true, [], SameV, Lvl, TM) -> cput_i2e(rvrs(SameV), true, Lvl+1, TM); cput_i2e(_V, true, [], SameV, Lvl, TM) when Lvl =/= #cpu.processor, Lvl =/= #cpu.processor_node -> cput_i2e(rvrs(SameV), true, Lvl+1, TM); cput_i2e(-1, _Frst, Is, SameV, #cpu.node, TM) -> cput_i2e(rvrs(SameV), true, #cpu.processor, TM) ++ cput_i2e(Is, false, #cpu.node, TM); cput_i2e(_V, _Frst, Is, SameV, Lvl, TM) -> [{cput_i2e_tag(Lvl, TM), cput_i2e(rvrs(SameV), true, Lvl+1, TM)} | cput_i2e(Is, false, Lvl, TM)]. cput_i2e_tag_map() -> erlang:list_to_tuple([cpu | record_info(fields, cpu)]). cput_i2e_tag(Lvl, TM) -> case erlang:element(Lvl, TM) of processor_node -> node; Other -> Other end. rvrs([_] = L) -> L; 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(), Minimum :: term(). min(A, B) when A > B -> B; min(A, _) -> A. -spec max(Term1, Term2) -> Maximum when Term1 :: term(), Term2 :: term(), Maximum :: term(). max(A, B) when A < B -> B; max(A, _) -> A. %% %% erlang:memory/[0,1] %% %% NOTE! When updating these functions, make sure to also update %% erts_memory() in $ERL_TOP/erts/emulator/beam/erl_alloc.c %% -type memory_type() :: 'total' | 'processes' | 'processes_used' | 'system' | 'atom' | 'atom_used' | 'binary' | 'code' | 'ets' | 'low' | 'maximum'. -define(CARRIER_ALLOCS, [mseg_alloc, sbmbc_alloc, sbmbc_low_alloc]). -define(LOW_ALLOCS, [sbmbc_low_alloc, ll_low_alloc, std_low_alloc]). -define(ALL_NEEDED_ALLOCS, (erlang:system_info(alloc_util_allocators) -- ?CARRIER_ALLOCS)). -record(memory, {total = 0, processes = 0, processes_used = 0, system = 0, atom = 0, atom_used = 0, binary = 0, code = 0, ets = 0, low = 0, maximum = 0}). -spec erlang:memory() -> [{Type, Size}] when Type :: memory_type(), Size :: non_neg_integer(). memory() -> case aa_mem_data(au_mem_data(?ALL_NEEDED_ALLOCS)) of notsup -> erlang:error(notsup); Mem -> InstrTail = case Mem#memory.maximum of 0 -> []; _ -> [{maximum, Mem#memory.maximum}] end, Tail = case Mem#memory.low of 0 -> InstrTail; _ -> [{low, Mem#memory.low} | InstrTail] end, [{total, Mem#memory.total}, {processes, Mem#memory.processes}, {processes_used, Mem#memory.processes_used}, {system, Mem#memory.system}, {atom, Mem#memory.atom}, {atom_used, Mem#memory.atom_used}, {binary, Mem#memory.binary}, {code, Mem#memory.code}, {ets, Mem#memory.ets} | Tail] end. -spec erlang:memory(Type :: memory_type()) -> non_neg_integer(); (TypeList :: [memory_type()]) -> [{memory_type(), non_neg_integer()}]. memory(Type) when erlang:is_atom(Type) -> {AA, ALCU, ChkSup, BadArgZero} = need_mem_info(Type), case get_mem_data(ChkSup, ALCU, AA) of notsup -> erlang:error(notsup, [Type]); Mem -> Value = get_memval(Type, Mem), case {BadArgZero, Value} of {true, 0} -> erlang:error(badarg, [Type]); _ -> Value end end; memory(Types) when erlang:is_list(Types) -> {AA, ALCU, ChkSup, BadArgZeroList} = need_mem_info_list(Types), case get_mem_data(ChkSup, ALCU, AA) of notsup -> erlang:error(notsup, [Types]); Mem -> case memory_result_list(Types, BadArgZeroList, Mem) of badarg -> erlang:error(badarg, [Types]); Result -> Result end end. memory_result_list([], [], _Mem) -> []; memory_result_list([T|Ts], [BAZ|BAZs], Mem) -> case memory_result_list(Ts, BAZs, Mem) of badarg -> badarg; TVs -> V = get_memval(T, Mem), case {BAZ, V} of {true, 0} -> badarg; _ -> [{T, V}| TVs] end end. get_mem_data(true, AlcUAllocs, NeedAllocatedAreas) -> case memory_is_supported() of false -> notsup; true -> get_mem_data(false, AlcUAllocs, NeedAllocatedAreas) end; get_mem_data(false, AlcUAllocs, NeedAllocatedAreas) -> AlcUMem = case AlcUAllocs of [] -> #memory{}; _ -> au_mem_data(AlcUAllocs) end, case NeedAllocatedAreas of true -> aa_mem_data(AlcUMem); false -> AlcUMem end. need_mem_info_list([]) -> {false, [], false, []}; need_mem_info_list([T|Ts]) -> {MAA, MALCU, MChkSup, MBadArgZero} = need_mem_info_list(Ts), {AA, ALCU, ChkSup, BadArgZero} = need_mem_info(T), {case AA of true -> true; _ -> MAA end, ALCU ++ (MALCU -- ALCU), case ChkSup of true -> true; _ -> MChkSup end, [BadArgZero|MBadArgZero]}. need_mem_info(Type) when Type == total; Type == system -> {true, ?ALL_NEEDED_ALLOCS, false, false}; need_mem_info(Type) when Type == processes; Type == processes_used -> {true, [eheap_alloc, fix_alloc], true, false}; need_mem_info(Type) when Type == atom; Type == atom_used; Type == code -> {true, [], true, false}; need_mem_info(binary) -> {false, [binary_alloc], true, false}; need_mem_info(ets) -> {true, [ets_alloc], true, false}; need_mem_info(low) -> LowAllocs = ?LOW_ALLOCS -- ?CARRIER_ALLOCS, {_, _, FeatureList, _} = erlang:system_info(allocator), AlcUAllocs = case LowAllocs -- FeatureList of [] -> LowAllocs; _ -> [] end, {false, AlcUAllocs, true, true}; need_mem_info(maximum) -> {true, [], true, true}; need_mem_info(_) -> {false, [], false, true}. get_memval(total, #memory{total = V}) -> V; get_memval(processes, #memory{processes = V}) -> V; get_memval(processes_used, #memory{processes_used = V}) -> V; get_memval(system, #memory{system = V}) -> V; get_memval(atom, #memory{atom = V}) -> V; get_memval(atom_used, #memory{atom_used = V}) -> V; get_memval(binary, #memory{binary = V}) -> V; get_memval(code, #memory{code = V}) -> V; get_memval(ets, #memory{ets = V}) -> V; get_memval(low, #memory{low = V}) -> V; get_memval(maximum, #memory{maximum = V}) -> V; get_memval(_, #memory{}) -> 0. memory_is_supported() -> {_, _, FeatureList, _} = erlang:system_info(allocator), case ((erlang:system_info(alloc_util_allocators) -- ?CARRIER_ALLOCS) -- FeatureList) of [] -> true; _ -> false end. get_blocks_size([{blocks_size, Sz, _, _} | Rest], Acc) -> get_blocks_size(Rest, Acc+Sz); get_blocks_size([{_, _, _, _} | Rest], Acc) -> get_blocks_size(Rest, Acc); get_blocks_size([], Acc) -> Acc. blocks_size([{Carriers, SizeList} | Rest], Acc) when Carriers == mbcs; Carriers == sbcs; Carriers == sbmbcs -> blocks_size(Rest, get_blocks_size(SizeList, Acc)); blocks_size([_ | Rest], Acc) -> blocks_size(Rest, Acc); blocks_size([], Acc) -> Acc. get_fix_proc([{ProcType, A1, U1}| Rest], {A0, U0}) when ProcType == proc; ProcType == monitor_sh; ProcType == nlink_sh; ProcType == msg_ref -> get_fix_proc(Rest, {A0+A1, U0+U1}); get_fix_proc([_|Rest], Acc) -> get_fix_proc(Rest, Acc); get_fix_proc([], Acc) -> Acc. fix_proc([{fix_types, SizeList} | _Rest], Acc) -> get_fix_proc(SizeList, Acc); fix_proc([_ | Rest], Acc) -> fix_proc(Rest, Acc); fix_proc([], Acc) -> Acc. is_low_alloc(_A, []) -> false; is_low_alloc(A, [A|_As]) -> true; is_low_alloc(A, [_A|As]) -> is_low_alloc(A, As). is_low_alloc(A) -> is_low_alloc(A, ?LOW_ALLOCS). au_mem_data(notsup, _) -> notsup; au_mem_data(_, [{_, false} | _]) -> notsup; au_mem_data(#memory{total = Tot, processes = Proc, processes_used = ProcU} = Mem, [{eheap_alloc, _, Data} | Rest]) -> Sz = blocks_size(Data, 0), au_mem_data(Mem#memory{total = Tot+Sz, processes = Proc+Sz, processes_used = ProcU+Sz}, Rest); au_mem_data(#memory{total = Tot, system = Sys, ets = Ets} = Mem, [{ets_alloc, _, Data} | Rest]) -> Sz = blocks_size(Data, 0), au_mem_data(Mem#memory{total = Tot+Sz, system = Sys+Sz, ets = Ets+Sz}, Rest); au_mem_data(#memory{total = Tot, system = Sys, binary = Bin} = Mem, [{binary_alloc, _, Data} | Rest]) -> Sz = blocks_size(Data, 0), au_mem_data(Mem#memory{total = Tot+Sz, system = Sys+Sz, binary = Bin+Sz}, Rest); au_mem_data(#memory{total = Tot, processes = Proc, processes_used = ProcU, system = Sys} = Mem, [{fix_alloc, _, Data} | Rest]) -> {A, U} = fix_proc(Data, {0, 0}), Sz = blocks_size(Data, 0), au_mem_data(Mem#memory{total = Tot+Sz, processes = Proc+A, processes_used = ProcU+U, system = Sys+Sz-A}, Rest); au_mem_data(#memory{total = Tot, system = Sys, low = Low} = Mem, [{A, _, Data} | Rest]) -> Sz = blocks_size(Data, 0), au_mem_data(Mem#memory{total = Tot+Sz, system = Sys+Sz, low = case is_low_alloc(A) of true -> Low+Sz; false -> Low end}, Rest); au_mem_data(EMD, []) -> EMD. au_mem_data(Allocs) -> Ref = erlang:make_ref(), erlang:system_info({allocator_sizes, Ref, Allocs}), receive_emd(Ref). receive_emd(_Ref, EMD, 0) -> EMD; receive_emd(Ref, EMD, N) -> receive {Ref, _, Data} -> receive_emd(Ref, au_mem_data(EMD, Data), N-1) end. receive_emd(Ref) -> receive_emd(Ref, #memory{}, erlang:system_info(schedulers)). aa_mem_data(#memory{} = Mem, [{maximum, Max} | Rest]) -> aa_mem_data(Mem#memory{maximum = Max}, Rest); aa_mem_data(#memory{} = Mem, [{total, Tot} | Rest]) -> aa_mem_data(Mem#memory{total = Tot, system = 0}, % system will be adjusted later Rest); aa_mem_data(#memory{atom = Atom, atom_used = AtomU} = Mem, [{atom_space, Alloced, Used} | Rest]) -> aa_mem_data(Mem#memory{atom = Atom+Alloced, atom_used = AtomU+Used}, Rest); aa_mem_data(#memory{atom = Atom, atom_used = AtomU} = Mem, [{atom_table, Sz} | Rest]) -> aa_mem_data(Mem#memory{atom = Atom+Sz, atom_used = AtomU+Sz}, Rest); aa_mem_data(#memory{ets = Ets} = Mem, [{ets_misc, Sz} | Rest]) -> aa_mem_data(Mem#memory{ets = Ets+Sz}, Rest); aa_mem_data(#memory{processes = Proc, processes_used = ProcU, system = Sys} = Mem, [{ProcData, Sz} | Rest]) when ProcData == bif_timer; ProcData == link_lh; ProcData == process_table -> aa_mem_data(Mem#memory{processes = Proc+Sz, processes_used = ProcU+Sz, system = Sys-Sz}, Rest); aa_mem_data(#memory{code = Code} = Mem, [{CodeData, Sz} | Rest]) when CodeData == module_table; CodeData == export_table; CodeData == export_list; CodeData == fun_table; CodeData == module_refs; CodeData == loaded_code -> aa_mem_data(Mem#memory{code = Code+Sz}, Rest); aa_mem_data(EMD, [{_, _} | Rest]) -> aa_mem_data(EMD, Rest); aa_mem_data(#memory{total = Tot, processes = Proc, system = Sys} = Mem, []) when Sys =< 0 -> %% Instrumented runtime system -> Sys = Tot - Proc Mem#memory{system = Tot - Proc}; aa_mem_data(EMD, []) -> EMD. aa_mem_data(notsup) -> notsup; aa_mem_data(EMD) -> aa_mem_data(EMD, erlang:system_info(allocated_areas)). %% %% alloc_info/1 and alloc_sizes/1 are for internal use only (used by %% erlang:system_info({allocator|allocator_sizes, _})). %% alloc_info(Allocs) -> get_alloc_info(allocator, Allocs). alloc_sizes(Allocs) -> get_alloc_info(allocator_sizes, Allocs). get_alloc_info(Type, AAtom) when erlang:is_atom(AAtom) -> [{AAtom, Result}] = get_alloc_info(Type, [AAtom]), Result; get_alloc_info(Type, AList) when erlang:is_list(AList) -> Ref = erlang:make_ref(), erlang:system_info({Type, Ref, AList}), receive_allocator(Ref, erlang:system_info(schedulers), mk_res_list(AList)). mk_res_list([]) -> []; mk_res_list([Alloc | Rest]) -> [{Alloc, []} | mk_res_list(Rest)]. insert_instance(I, N, []) -> [{instance, N, I}]; insert_instance(I, N, [{instance, M, _}|_] = Rest) when N < M -> [{instance, N, I} | Rest]; insert_instance(I, N, [Prev|Rest]) -> [Prev | insert_instance(I, N, Rest)]. insert_info([], Ys) -> Ys; insert_info([{A, false}|Xs], [{A, _IList}|Ys]) -> insert_info(Xs, [{A, false}|Ys]); insert_info([{A, N, I}|Xs], [{A, IList}|Ys]) -> insert_info(Xs, [{A, insert_instance(I, N, IList)}|Ys]); insert_info([{A1, _}|_] = Xs, [{A2, _} = Y | Ys]) when A1 /= A2 -> [Y | insert_info(Xs, Ys)]; insert_info([{A1, _, _}|_] = Xs, [{A2, _} = Y | Ys]) when A1 /= A2 -> [Y | insert_info(Xs, Ys)]. receive_allocator(_Ref, 0, Acc) -> Acc; receive_allocator(Ref, N, Acc) -> receive {Ref, _, InfoList} -> receive_allocator(Ref, N-1, insert_info(InfoList, Acc)) end. -spec erlang:await_sched_wall_time_modifications(Ref, Result) -> boolean() when Ref :: reference(), Result :: boolean(). await_sched_wall_time_modifications(Ref, Result) -> sched_wall_time(Ref, erlang:system_info(schedulers)), Result. -spec erlang:gather_sched_wall_time_result(Ref) -> [{pos_integer(), non_neg_integer(), non_neg_integer()}] when Ref :: reference(). gather_sched_wall_time_result(Ref) when erlang:is_reference(Ref) -> sched_wall_time(Ref, erlang:system_info(schedulers), []). sched_wall_time(_Ref, 0) -> ok; sched_wall_time(Ref, N) -> receive Ref -> sched_wall_time(Ref, N-1) end. sched_wall_time(_Ref, 0, Acc) -> Acc; sched_wall_time(Ref, N, undefined) -> receive {Ref, _} -> sched_wall_time(Ref, N-1, undefined) end; sched_wall_time(Ref, N, Acc) -> receive {Ref, undefined} -> sched_wall_time(Ref, N-1, undefined); {Ref, SWT} -> sched_wall_time(Ref, N-1, [SWT|Acc]) end.