diff options
Diffstat (limited to 'erts/preloaded/src/erlang.erl')
| -rw-r--r-- | erts/preloaded/src/erlang.erl | 66 |
1 files changed, 50 insertions, 16 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 %% |