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-rw-r--r--lib/debugger/src/dbg_debugged.erl61
1 files changed, 28 insertions, 33 deletions
diff --git a/lib/debugger/src/dbg_debugged.erl b/lib/debugger/src/dbg_debugged.erl
index 3732c40c73..e142af4ae0 100644
--- a/lib/debugger/src/dbg_debugged.erl
+++ b/lib/debugger/src/dbg_debugged.erl
@@ -1,26 +1,24 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1998-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1998-2016. 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.
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
%%
%% %CopyrightEnd%
-%%
-module(dbg_debugged).
%% External exports
-%% Avoid warning for local function demonitor/1 clashing with autoimported BIF.
--compile({no_auto_import,[demonitor/1]}).
-export([eval/3]).
%%====================================================================
@@ -47,7 +45,7 @@ msg_loop(Meta, Mref, SaveStacktrace) ->
%% Evaluated function has returned a value
{sys, Meta, {ready, Val}} ->
- demonitor(Mref),
+ erlang:demonitor(Mref, [flush]),
%% Restore original stacktrace and return the value
try erlang:raise(throw, stack, SaveStacktrace)
@@ -63,7 +61,7 @@ msg_loop(Meta, Mref, SaveStacktrace) ->
%% Evaluated function raised an (uncaught) exception
{sys, Meta, {exception,{Class,Reason,Stacktrace}}} ->
- demonitor(Mref),
+ erlang:demonitor(Mref, [flush]),
%% ...raise the same exception
erlang:error(erlang:raise(Class, Reason, Stacktrace),
@@ -72,12 +70,15 @@ msg_loop(Meta, Mref, SaveStacktrace) ->
%% Meta is evaluating a receive, must be done within context
%% of real (=this) process
{sys, Meta, {'receive',Msg}} ->
- receive Msg -> Meta ! {self(), rec_acked} end,
+ receive Msg ->
+ Meta ! {self(), rec_acked},
+ ok
+ end,
msg_loop(Meta, Mref, SaveStacktrace);
%% Meta needs something evaluated within context of real process
- {sys, Meta, {command, Command, Stacktrace}} ->
- Reply = handle_command(Command, Stacktrace),
+ {sys, Meta, {command,Command}} ->
+ Reply = handle_command(Command),
Meta ! {sys, self(), Reply},
msg_loop(Meta, Mref, SaveStacktrace);
@@ -93,28 +94,22 @@ msg_loop(Meta, Mref, SaveStacktrace) ->
end
end.
-handle_command(Command, Stacktrace) ->
- try reply(Command)
+handle_command(Command) ->
+ try
+ reply(Command)
catch Class:Reason ->
- Stacktrace2 = stacktrace_f(erlang:get_stacktrace()),
- {exception, {Class,Reason,Stacktrace2++Stacktrace}}
+ Stacktrace = stacktrace_f(erlang:get_stacktrace()),
+ {exception,{Class,Reason,Stacktrace}}
end.
reply({apply,M,F,As}) ->
{value, erlang:apply(M,F,As)};
reply({eval,Expr,Bs}) ->
- erl_eval:expr(Expr, Bs). % {value, Value, Bs2}
-
-%% Demonitor and delete message from inbox
-%%
-demonitor(Mref) ->
- erlang:demonitor(Mref),
- receive {'DOWN',Mref,_,_,_} -> ok
- after 0 -> ok
- end.
+ %% Bindings is an orddict (sort them)
+ erl_eval:expr(Expr, lists:sort(Bs)). % {value, Value, Bs2}
%% Fix stacktrace - keep all above call to this module.
%%
stacktrace_f([]) -> [];
-stacktrace_f([{?MODULE,_,_}|_]) -> [];
+stacktrace_f([{?MODULE,_,_,_}|_]) -> [];
stacktrace_f([F|S]) -> [F|stacktrace_f(S)].