diff options
Diffstat (limited to 'erts/preloaded/src/erlang.erl')
| -rw-r--r-- | erts/preloaded/src/erlang.erl | 126 |
1 files changed, 54 insertions, 72 deletions
diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl index 291356c7b1..40d5aedd24 100644 --- a/erts/preloaded/src/erlang.erl +++ b/erts/preloaded/src/erlang.erl @@ -460,7 +460,7 @@ check_old_code(_Module) -> CheckResult :: boolean(). check_process_code(Pid, Module) -> try - erlang:check_process_code(Pid, Module, [{allow_gc, true}]) + erts_internal:check_process_code(Pid, Module, [{allow_gc, true}]) catch error:Error -> erlang:error(Error, [Pid, Module]) end. @@ -475,51 +475,11 @@ check_process_code(Pid, Module) -> CheckResult :: boolean() | aborted. check_process_code(Pid, Module, OptionList) -> try - {Async, AllowGC} = get_cpc_opts(OptionList, sync, true), - case Async of - {async, ReqId} -> - {priority, Prio} = erlang:process_info(erlang:self(), - priority), - erts_internal:request_system_task(Pid, - Prio, - {check_process_code, - ReqId, - Module, - AllowGC}), - async; - sync -> - case Pid == erlang:self() of - true -> - erts_internal:check_process_code(Module, - [{allow_gc, AllowGC}]); - false -> - {priority, Prio} = erlang:process_info(erlang:self(), - priority), - ReqId = erlang:make_ref(), - erts_internal:request_system_task(Pid, - Prio, - {check_process_code, - ReqId, - Module, - AllowGC}), - receive - {check_process_code, ReqId, CheckResult} -> - CheckResult - end - end - end + erts_internal:check_process_code(Pid, Module, OptionList) catch error:Error -> erlang:error(Error, [Pid, Module, OptionList]) end. -% gets async and allow_gc opts and verify valid option list -get_cpc_opts([{async, _ReqId} = AsyncTuple | Options], _OldAsync, AllowGC) -> - get_cpc_opts(Options, AsyncTuple, AllowGC); -get_cpc_opts([{allow_gc, AllowGC} | Options], Async, _OldAllowGC) -> - get_cpc_opts(Options, Async, AllowGC); -get_cpc_opts([], Async, AllowGC) -> - {Async, AllowGC}. - %% crc32/1 -spec erlang:crc32(Data) -> non_neg_integer() when Data :: iodata(). @@ -1464,8 +1424,16 @@ processes() -> %% purge_module/1 -spec purge_module(Module) -> true when Module :: atom(). -purge_module(_Module) -> - erlang:nif_error(undefined). +purge_module(Module) when erlang:is_atom(Module) -> + case erts_code_purger:purge(Module) of + {false, _} -> + erlang:error(badarg, [Module]); + {true, _} -> + true + end; +purge_module(Arg) -> + erlang:error(badarg, [Arg]). + %% put/2 -spec put(Key, Val) -> term() when @@ -1974,6 +1942,7 @@ localtime_to_universaltime(_Localtime, _IsDst) -> %% CHECK! Why the strange very thorough specification of the error %% condition with disallowed arity in erl_bif_types? %% Not documented +%% Shadowed by erl_bif_types: erlang:make_fun/3 -spec erlang:make_fun(Module, Function, Arity) -> function() when Module :: atom(), Function :: atom(), @@ -2026,12 +1995,21 @@ nodes(_Arg) -> | eof | {parallelism, Boolean :: boolean()} | hide. -open_port(_PortName,_PortSettings) -> - erlang:nif_error(undefined). +open_port(PortName, PortSettings) -> + case case erts_internal:open_port(PortName, PortSettings) of + Ref when erlang:is_reference(Ref) -> receive {Ref, Res} -> Res end; + Res -> Res + end of + Port when erlang:is_port(Port) -> Port; + Error -> erlang:error(Error, [PortName, PortSettings]) + end. -type priority_level() :: low | normal | high | max. +-type message_queue_data() :: + off_heap | on_heap | mixed. + -spec process_flag(trap_exit, Boolean) -> OldBoolean when Boolean :: boolean(), OldBoolean :: boolean(); @@ -2044,6 +2022,9 @@ open_port(_PortName,_PortSettings) -> (min_bin_vheap_size, MinBinVHeapSize) -> OldMinBinVHeapSize when MinBinVHeapSize :: non_neg_integer(), OldMinBinVHeapSize :: non_neg_integer(); + (message_queue_data, MQD) -> OldMQD when + MQD :: message_queue_data(), + OldMQD :: message_queue_data(); (priority, Level) -> OldLevel when Level :: priority_level(), OldLevel :: priority_level(); @@ -2082,6 +2063,7 @@ process_flag(_Flag, _Value) -> min_bin_vheap_size | monitored_by | monitors | + message_queue_data | priority | reductions | registered_name | @@ -2123,6 +2105,7 @@ process_flag(_Flag, _Value) -> {monitors, Monitors :: [{process, Pid :: pid() | {RegName :: atom(), Node :: node()}}]} | + {message_queue_data, MQD :: message_queue_data()} | {priority, Level :: priority_level()} | {reductions, Number :: non_neg_integer()} | {registered_name, Atom :: atom()} | @@ -2204,7 +2187,9 @@ setelement(_Index, _Tuple1, _Value) -> spawn_opt(_Tuple) -> erlang:nif_error(undefined). --spec statistics(context_switches) -> {ContextSwitches,0} when +-spec statistics(active_tasks) -> [ActiveTasks] when + ActiveTasks :: non_neg_integer(); + (context_switches) -> {ContextSwitches,0} when ContextSwitches :: non_neg_integer(); (exact_reductions) -> {Total_Exact_Reductions, Exact_Reductions_Since_Last_Call} when @@ -2221,6 +2206,8 @@ spawn_opt(_Tuple) -> Total_Reductions :: non_neg_integer(), Reductions_Since_Last_Call :: non_neg_integer(); (run_queue) -> non_neg_integer(); + (run_queue_lengths) -> [RunQueueLenght] when + RunQueueLenght :: 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(); @@ -2228,6 +2215,10 @@ spawn_opt(_Tuple) -> SchedulerId :: pos_integer(), ActiveTime :: non_neg_integer(), TotalTime :: non_neg_integer(); + (total_active_tasks) -> ActiveTasks when + ActiveTasks :: non_neg_integer(); + (total_run_queue_lengths) -> TotalRunQueueLenghts when + TotalRunQueueLenghts :: non_neg_integer(); (wall_clock) -> {Total_Wallclock_Time, Wallclock_Time_Since_Last_Call} when Total_Wallclock_Time :: non_neg_integer(), @@ -2423,8 +2414,9 @@ tuple_to_list(_Tuple) -> MinBinVHeapSize :: pos_integer()}; (modified_timing_level) -> integer() | undefined; (multi_scheduling) -> disabled | blocked | enabled; - (multi_scheduling_blockers) -> [PID :: pid()]; + (multi_scheduling_blockers) -> [Pid :: pid()]; (nif_version) -> string(); + (message_queue_data) -> message_queue_data(); (otp_release) -> string(); (os_monotonic_time_source) -> [{atom(),term()}]; (os_system_time_source) -> [{atom(),term()}]; @@ -2552,14 +2544,19 @@ spawn_monitor(M, F, A) when erlang:is_atom(M), spawn_monitor(M, F, A) -> erlang:error(badarg, [M,F,A]). + +-type spawn_opt_option() :: + link + | monitor + | {priority, Level :: priority_level()} + | {fullsweep_after, Number :: non_neg_integer()} + | {min_heap_size, Size :: non_neg_integer()} + | {min_bin_vheap_size, VSize :: non_neg_integer()} + | {message_queue_data, MQD :: message_queue_data()}. + -spec spawn_opt(Fun, Options) -> pid() | {pid(), reference()} when Fun :: function(), - Options :: [Option], - Option :: link | monitor - | {priority, Level :: priority_level()} - | {fullsweep_after, Number :: non_neg_integer()} - | {min_heap_size, Size :: non_neg_integer()} - | {min_bin_vheap_size, VSize :: non_neg_integer()}. + Options :: [spawn_opt_option()]. 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) -> @@ -2572,12 +2569,7 @@ spawn_opt(F, O) -> -spec spawn_opt(Node, Fun, Options) -> pid() | {pid(), reference()} when Node :: node(), Fun :: function(), - Options :: [Option], - Option :: link | monitor - | {priority, Level :: priority_level()} - | {fullsweep_after, Number :: non_neg_integer()} - | {min_heap_size, Size :: non_neg_integer()} - | {min_bin_vheap_size, VSize :: non_neg_integer()}. + Options :: [spawn_opt_option()]. spawn_opt(N, F, O) when N =:= erlang:node() -> spawn_opt(F, O); spawn_opt(N, F, O) when erlang:is_function(F) -> @@ -2664,12 +2656,7 @@ spawn_link(N,M,F,A) -> Module :: module(), Function :: atom(), Args :: [term()], - Options :: [Option], - Option :: link | monitor - | {priority, Level :: priority_level()} - | {fullsweep_after, Number :: non_neg_integer()} - | {min_heap_size, Size :: non_neg_integer()} - | {min_bin_vheap_size, VSize :: non_neg_integer()}. + Options :: [spawn_opt_option()]. spawn_opt(M, F, A, Opts) -> case catch erlang:spawn_opt({M,F,A,Opts}) of {'EXIT',{Reason,_}} -> @@ -2684,12 +2671,7 @@ spawn_opt(M, F, A, Opts) -> Module :: module(), Function :: atom(), Args :: [term()], - Options :: [Option], - Option :: link | monitor - | {priority, Level :: priority_level()} - | {fullsweep_after, Number :: non_neg_integer()} - | {min_heap_size, Size :: non_neg_integer()} - | {min_bin_vheap_size, VSize :: non_neg_integer()}. + Options :: [spawn_opt_option()]. 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) -> |