diff options
Diffstat (limited to 'lib/kernel')
| -rw-r--r-- | lib/kernel/src/global.erl | 23 | ||||
| -rw-r--r-- | lib/kernel/test/global_SUITE.erl | 17 |
2 files changed, 14 insertions, 26 deletions
diff --git a/lib/kernel/src/global.erl b/lib/kernel/src/global.erl index 7d15f8bf83..fa97614eca 100644 --- a/lib/kernel/src/global.erl +++ b/lib/kernel/src/global.erl @@ -28,7 +28,7 @@ %% External exports -export([start/0, start_link/0, stop/0, sync/0, sync/1, - safe_whereis_name/1, whereis_name/1, register_name/2, + whereis_name/1, register_name/2, register_name/3, register_name_external/2, register_name_external/3, unregister_name_external/1,re_register_name/2, re_register_name/3, unregister_name/1, registered_names/0, send/2, node_disconnected/1, @@ -203,10 +203,6 @@ send(Name, Msg) -> whereis_name(Name) -> where(Name). --spec safe_whereis_name(term()) -> pid() | 'undefined'. -safe_whereis_name(Name) -> - gen_server:call(global_name_server, {whereis, Name}, infinity). - node_disconnected(Node) -> global_name_server ! {nodedown, Node}. @@ -510,8 +506,7 @@ init([]) -> %% delay can sometimes be quite substantial. Global guarantees that %% the name will eventually be removed, but there is no %% synchronization between nodes; the name can be removed from some -%% node(s) long before it is removed from other nodes. Using -%% safe_whereis_name is no cure. +%% node(s) long before it is removed from other nodes. %% %% - Global cannot handle problems with the distribution very well. %% Depending on the value of the kernel variable 'net_ticktime' long @@ -589,10 +584,6 @@ init([]) -> {'reply', term(), state()} | {'stop', 'normal', 'stopped', state()}. -handle_call({whereis, Name}, From, S) -> - do_whereis(Name, From), - {noreply, S}; - handle_call({registrar, Fun}, From, S) -> S#state.the_registrar ! {trans_all_known, Fun, From}, {noreply, S}; @@ -1235,7 +1226,15 @@ ins_name_ext(Name, Pid, Method, RegNode, FromPidOrNode, ExtraInfo, S0) -> where(Name) -> case ets:lookup(global_names, Name) of - [{_Name, Pid, _Method, _RPid, _Ref}] -> Pid; + [{_Name, Pid, _Method, _RPid, _Ref}] -> + if node(Pid) == node() -> + case is_process_alive(Pid) of + true -> Pid; + false -> undefined + end; + true -> + Pid + end; [] -> undefined end. diff --git a/lib/kernel/test/global_SUITE.erl b/lib/kernel/test/global_SUITE.erl index 1e7bcf1766..60035b50a0 100644 --- a/lib/kernel/test/global_SUITE.erl +++ b/lib/kernel/test/global_SUITE.erl @@ -436,7 +436,7 @@ lock_global2(Id, Parent) -> %cp1 - cp3 are started, and the name 'test' registered for a process on %test_server. Then it is checked that the name is registered on all -%nodes, using whereis_name and safe_whereis_name. Check that the same +%nodes, using whereis_name. Check that the same %name can't be registered with another value. Exit the registered %process and check that the name disappears. Register a new process %(Pid2) under the name 'test'. Let another new process (Pid3) @@ -465,10 +465,6 @@ names(Config) when is_list(Config) -> % test that it is registered at all nodes ?line ?UNTIL(begin - (Pid =:= global:safe_whereis_name(test)) and - (Pid =:= rpc:call(Cp1, global, safe_whereis_name, [test])) and - (Pid =:= rpc:call(Cp2, global, safe_whereis_name, [test])) and - (Pid =:= rpc:call(Cp3, global, safe_whereis_name, [test])) and (Pid =:= global:whereis_name(test)) and (Pid =:= rpc:call(Cp1, global, whereis_name, [test])) and (Pid =:= rpc:call(Cp2, global, whereis_name, [test])) and @@ -566,10 +562,7 @@ names_hidden(Config) when is_list(Config) -> % Check that it didn't get registered on visible nodes ?line - ?UNTIL((undefined =:= global:safe_whereis_name(test)) and - (undefined =:= rpc:call(Cp1, global, safe_whereis_name, [test])) and - (undefined =:= rpc:call(Cp2, global, safe_whereis_name, [test])) and - (undefined =:= global:whereis_name(test)) and + ?UNTIL((undefined =:= global:whereis_name(test)) and (undefined =:= rpc:call(Cp1, global, whereis_name, [test])) and (undefined =:= rpc:call(Cp2, global, whereis_name, [test]))), @@ -579,11 +572,7 @@ names_hidden(Config) when is_list(Config) -> % test that it is registered at all nodes ?line - ?UNTIL((Pid =:= global:safe_whereis_name(test)) and - (Pid =:= rpc:call(Cp1, global, safe_whereis_name, [test])) and - (Pid =:= rpc:call(Cp2, global, safe_whereis_name, [test])) and - (HPid =:= rpc:call(Cp3, global, safe_whereis_name, [test])) and - (Pid =:= global:whereis_name(test)) and + ?UNTIL((Pid =:= global:whereis_name(test)) and (Pid =:= rpc:call(Cp1, global, whereis_name, [test])) and (Pid =:= rpc:call(Cp2, global, whereis_name, [test])) and (HPid =:= rpc:call(Cp3, global, whereis_name, [test])) and |