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|
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2003-2009. All Rights Reserved.
%%
%% 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(catch_in_catch).
-export([?MODULE/0,do_start/1]).
?MODULE() ->
process_flag(trap_exit, true),
Pid = spawn_link(?MODULE, do_start, [x]),
receive
{'EXIT',Pid,good_exit} -> ok;
Other ->
io:format("Unexpected: ~p\n", [Other]),
error
after 32000 ->
io:format("No message received\n"),
error
end.
do_start(Param) ->
init(Param),
exit(good_exit).
init(Param) ->
process_flag(trap_exit, true),
%% The catches were improperly nested, causing a "No catch found" crash.
(catch begin
foo(Param),
(catch exit(bar))
end
),
ignore.
foo(_) ->
ok.
|
