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-rw-r--r--erts/preloaded/src/erlang.erl66
-rw-r--r--erts/preloaded/src/erts_dirty_process_signal_handler.erl34
-rw-r--r--erts/preloaded/src/erts_internal.erl35
3 files changed, 104 insertions, 31 deletions
diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl
index 5fcad25c6d..cf746c3d51 100644
--- a/erts/preloaded/src/erlang.erl
+++ b/erts/preloaded/src/erlang.erl
@@ -1521,8 +1521,21 @@ pre_loaded() ->
-spec erlang:process_display(Pid, Type) -> true when
Pid :: pid(),
Type :: backtrace.
-process_display(_Pid, _Type) ->
- erlang:nif_error(undefined).
+process_display(Pid, Type) ->
+ case case erts_internal:process_display(Pid, Type) of
+ Ref when erlang:is_reference(Ref) ->
+ receive
+ {Ref, Res} ->
+ Res
+ end;
+ Res ->
+ Res
+ end of
+ badarg ->
+ erlang:error(badarg, [Pid, Type]);
+ Result ->
+ Result
+ end.
%% process_flag/3
-spec process_flag(Pid, Flag, Value) -> OldValue when
@@ -1530,8 +1543,15 @@ process_display(_Pid, _Type) ->
Flag :: save_calls,
Value :: non_neg_integer(),
OldValue :: non_neg_integer().
-process_flag(_Pid, _Flag, _Value) ->
- erlang:nif_error(undefined).
+process_flag(Pid, Flag, Value) ->
+ case case erts_internal:process_flag(Pid, Flag, Value) of
+ Ref when erlang:is_reference(Ref) ->
+ receive {Ref, Res} -> Res end;
+ Res -> Res
+ end of
+ badarg -> erlang:error(badarg, [Pid, Flag, Value]);
+ Result -> Result
+ end.
%% process_info/1
-spec process_info(Pid) -> Info when
@@ -1749,9 +1769,32 @@ start_timer(_Time, _Dest, _Msg, _Options) ->
-spec erlang:suspend_process(Suspendee, OptList) -> boolean() when
Suspendee :: pid(),
OptList :: [Opt],
- Opt :: unless_suspending | asynchronous.
-suspend_process(_Suspendee, _OptList) ->
- erlang:nif_error(undefined).
+ Opt :: unless_suspending | asynchronous | {asynchronous, term()}.
+suspend_process(Suspendee, OptList) ->
+ case case erts_internal:suspend_process(Suspendee, OptList) of
+ Ref when erlang:is_reference(Ref) ->
+ receive {Ref, Res} -> Res end;
+ Res ->
+ Res
+ end of
+ true -> true;
+ false -> false;
+ Error -> erlang:error(Error, [Suspendee, OptList])
+ end.
+
+-spec erlang:suspend_process(Suspendee) -> 'true' when
+ Suspendee :: pid().
+suspend_process(Suspendee) ->
+ case case erts_internal:suspend_process(Suspendee, []) of
+ Ref when erlang:is_reference(Ref) ->
+ receive {Ref, Res} -> Res end;
+ Res ->
+ Res
+ end of
+ true -> true;
+ false -> erlang:error(internal_error, [Suspendee]);
+ Error -> erlang:error(Error, [Suspendee])
+ end.
%% system_monitor/0
-spec erlang:system_monitor() -> MonSettings when
@@ -3045,15 +3088,6 @@ send_nosuspend(Pid, Msg, Opts) ->
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.
-
%%
%% Port BIFs
%%
diff --git a/erts/preloaded/src/erts_dirty_process_signal_handler.erl b/erts/preloaded/src/erts_dirty_process_signal_handler.erl
index ab71790b9d..381f81ef14 100644
--- a/erts/preloaded/src/erts_dirty_process_signal_handler.erl
+++ b/erts/preloaded/src/erts_dirty_process_signal_handler.erl
@@ -50,10 +50,12 @@ handle_request(Pid) when is_pid(Pid) ->
handle_incoming_signals(Pid, 0);
handle_request({Requester, Target, Prio,
{SysTaskOp, ReqId, Arg} = Op} = Request) ->
- case handle_sys_task(Requester, Target, SysTaskOp, ReqId, Arg) of
- true ->
+ case handle_sys_task(Requester, Target, SysTaskOp, ReqId, Arg, 0) of
+ done ->
ok;
- false ->
+ busy ->
+ self() ! Request;
+ normal ->
%% Target has stopped executing dirty since the
%% initial request was made. Dispatch the
%% request to target and let it handle it itself...
@@ -83,15 +85,19 @@ handle_incoming_signals(Pid, N) ->
_Res -> ok
end.
-handle_sys_task(Requester, Target, check_process_code, ReqId, Module) ->
- case erts_internal:is_process_executing_dirty(Target) of
- false ->
- false;
- true ->
- _ = check_process(Requester, Target, ReqId, Module),
- true
+handle_sys_task(Requester, Target, check_process_code, ReqId, Module, N) ->
+ case erts_internal:check_dirty_process_code(Target, Module) of
+ Bool when Bool == true; Bool == false ->
+ Requester ! {check_process_code, ReqId, Bool},
+ done;
+ busy ->
+ case N > 5 of
+ true ->
+ busy;
+ false ->
+ handle_sys_task(Requester, Target, check_process_code,
+ ReqId, Module, N+1)
+ end;
+ Res ->
+ Res
end.
-
-check_process(Requester, Target, ReqId, Module) ->
- Result = erts_internal:check_dirty_process_code(Target, Module),
- Requester ! {check_process_code, ReqId, Result}.
diff --git a/erts/preloaded/src/erts_internal.erl b/erts/preloaded/src/erts_internal.erl
index 79169b7d23..f0f83b7e9d 100644
--- a/erts/preloaded/src/erts_internal.erl
+++ b/erts/preloaded/src/erts_internal.erl
@@ -82,6 +82,12 @@
-export([gather_alloc_histograms/1, gather_carrier_info/1]).
+-export([suspend_process/2]).
+
+-export([process_display/2]).
+
+-export([process_flag/3]).
+
%%
%% Await result of send to port
%%
@@ -303,7 +309,8 @@ get_cpc_opts([{allow_gc, AllowGC} | Options], Async) when AllowGC == true;
get_cpc_opts([], Async) ->
Async.
--spec check_dirty_process_code(Pid,Module) -> 'true' | 'false' when
+-spec check_dirty_process_code(Pid, Module) -> Result when
+ Result :: boolean() | 'normal' | 'busy',
Pid :: pid(),
Module :: module().
check_dirty_process_code(_Pid,_Module) ->
@@ -644,3 +651,29 @@ gather_alloc_histograms(_) ->
gather_carrier_info(_) ->
erlang:nif_error(undef).
+
+-spec suspend_process(Suspendee, OptList) -> Result when
+ Result :: boolean() | 'badarg' | reference(),
+ Suspendee :: pid(),
+ OptList :: [Opt],
+ Opt :: unless_suspending | asynchronous | {asynchronous, term()}.
+
+suspend_process(_Suspendee, _OptList) ->
+ erlang:nif_error(undefined).
+
+%% process_display/2
+-spec process_display(Pid, Type) -> 'true' | 'badarg' | reference() when
+ Pid :: pid(),
+ Type :: backtrace.
+process_display(_Pid, _Type) ->
+ erlang:nif_error(undefined).
+
+%% process_flag/3
+-spec process_flag(Pid, Flag, Value) -> OldValue | 'badarg' | reference() when
+ Pid :: pid(),
+ Flag :: save_calls,
+ Value :: non_neg_integer(),
+ OldValue :: non_neg_integer().
+process_flag(_Pid, _Flag, _Value) ->
+ erlang:nif_error(undefined).
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 16:27:27 +0000