diff options
Diffstat (limited to 'lib/stdlib/src/slave.erl')
| -rw-r--r-- | lib/stdlib/src/slave.erl | 52 |
1 files changed, 49 insertions, 3 deletions
diff --git a/lib/stdlib/src/slave.erl b/lib/stdlib/src/slave.erl index 196b659938..de0179da59 100644 --- a/lib/stdlib/src/slave.erl +++ b/lib/stdlib/src/slave.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2009. All Rights Reserved. +%% Copyright Ericsson AB 1996-2011. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -54,6 +54,10 @@ pseudo([Master | ServerList]) -> pseudo(_) -> error_msg("No master node given to slave:pseudo/1~n",[]). +-spec pseudo(Master, ServerList) -> ok when + Master :: node(), + ServerList :: [atom()]. + pseudo(_, []) -> ok; pseudo(Master, [S|Tail]) -> start_pseudo(S, whereis(S), Master), @@ -68,6 +72,9 @@ start_pseudo(_,_,_) -> ok. %% It's already there %% This relay can be used to relay all messages directed to a process. +-spec relay(Pid) -> no_return() when + Pid :: pid(). + relay({badrpc,Reason}) -> error_msg(" ** exiting relay server ~w :~w **~n", [self(),Reason]), exit(Reason); @@ -120,25 +127,61 @@ relay1(Pid) -> %% {error, no_rsh} | %% {error, {already_running, Name@Host}} +-spec start(Host) -> {ok, Node} | {error, Reason} when + Host :: atom(), + Node :: node(), + Reason :: timeout | no_rsh | {already_running, Node}. + start(Host) -> L = atom_to_list(node()), Name = upto($@, L), - start(Host, Name). + start(Host, Name, [], no_link). + +-spec start(Host, Name) -> {ok, Node} | {error, Reason} when + Host :: atom(), + Name :: atom(), + Node :: node(), + Reason :: timeout | no_rsh | {already_running, Node}. start(Host, Name) -> start(Host, Name, []). +-spec start(Host, Name, Args) -> {ok, Node} | {error, Reason} when + Host :: atom(), + Name :: atom(), + Args :: string(), + Node :: node(), + Reason :: timeout | no_rsh | {already_running, Node}. + start(Host, Name, Args) -> start(Host, Name, Args, no_link). +-spec start_link(Host) -> {ok, Node} | {error, Reason} when + Host :: atom(), + Node :: node(), + Reason :: timeout | no_rsh | {already_running, Node}. + start_link(Host) -> L = atom_to_list(node()), Name = upto($@, L), - start_link(Host, Name). + start(Host, Name, [], self()). + +-spec start_link(Host, Name) -> {ok, Node} | {error, Reason} when + Host :: atom(), + Name :: atom(), + Node :: node(), + Reason :: timeout | no_rsh | {already_running, Node}. start_link(Host, Name) -> start_link(Host, Name, []). +-spec start_link(Host, Name, Args) -> {ok, Node} | {error, Reason} when + Host :: atom(), + Name :: atom(), + Args :: string(), + Node :: node(), + Reason :: timeout | no_rsh | {already_running, Node}. + start_link(Host, Name, Args) -> start(Host, Name, Args, self()). @@ -163,6 +206,9 @@ start(Host0, Name, Args, LinkTo, Prog) -> %% Stops a running node. +-spec stop(Node) -> ok when + Node :: node(). + stop(Node) -> % io:format("stop(~p)~n", [Node]), rpc:call(Node, erlang, halt, []), |