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-rw-r--r--erts/preloaded/src/erts_dirty_process_signal_handler.erl34
1 files changed, 20 insertions, 14 deletions
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}.