The R13B03 release.OTP_R13B03

1 files changed, 57 insertions, 0 deletions

diff --git a/lib/pman/src/pman_relay_server.erl b/lib/pman/src/pman_relay_server.erl
new file mode 100644
index 0000000000..2fcbb663bc
--- /dev/null
+++ b/lib/pman/src/pman_relay_server.erl
@@ -0,0 +1,57 @@
+%%
+%% %CopyrightBegin%
+%% 
+%% Copyright Ericsson AB 1997-2009. 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
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%% 
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%% 
+%% %CopyrightEnd%
+%%
+%%%----------------------------------------------------------------------
+%%% Purpose : Relay server code.
+%%%----------------------------------------------------------------------
+
+-module(pman_relay_server).
+
+%%-compile(export_all).
+-export([init/1]).
+
+
+
+init(P) ->
+    process_flag(trap_exit, true),
+
+    loop(P).
+
+loop(P) ->
+    receive
+	{ok_to_trace, PidSender, PidToTrace} ->
+	    case catch erlang:trace(PidToTrace, false, [send]) of
+		1 ->
+		    PidSender ! {ok_to_trace, self()},
+		    loop(P);
+		_Otherwise ->
+		    PidSender ! {not_ok_to_trace, self()}
+	    end;
+
+	{P, M,F,A} ->
+	    case catch apply(M, F, A) of
+		1 -> ok;
+		_Other ->  P ! {print, "** Illegal trace request **\n", []}
+	    end,
+	    loop(P);
+	{'EXIT', P, _Reason} ->
+	    exit(normal);
+	Other ->             %% Here is the normal case for trace i/o
+	    P ! Other, 
+	    loop(P)
+    end.