diff options
Diffstat (limited to 'lib/runtime_tools/src/system_information.erl')
| -rw-r--r-- | lib/runtime_tools/src/system_information.erl | 87 |
1 files changed, 44 insertions, 43 deletions
diff --git a/lib/runtime_tools/src/system_information.erl b/lib/runtime_tools/src/system_information.erl index 04cc33e1ad..df25297eb9 100644 --- a/lib/runtime_tools/src/system_information.erl +++ b/lib/runtime_tools/src/system_information.erl @@ -2,16 +2,17 @@ %% %% Copyright Ericsson AB 2013. 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% %% @@ -27,31 +28,26 @@ -behaviour(gen_server). %% API --export([ - report/0, +-export([report/0, from_file/1, - to_file/1 - ]). --export([ - start/0, stop/0, - load_report/0, load_report/2, - applications/0, applications/1, - application/1, application/2, - environment/0, environment/1, - module/1, module/2, - modules/1, - sanity_check/0 - ]). + to_file/1]). + +-export([start/0, stop/0, + load_report/0, load_report/2, + applications/0, applications/1, + application/1, application/2, + environment/0, environment/1, + module/1, module/2, + modules/1, + sanity_check/0]). %% gen_server callbacks --export([ - init/1, - handle_call/3, - handle_cast/2, - handle_info/2, - terminate/2, - code_change/3 - ]). +-export([init/1, + handle_call/3, + handle_cast/2, + handle_info/2, + terminate/2, + code_change/3]). -define(SERVER, ?MODULE). @@ -69,14 +65,15 @@ start() -> gen_server:start({local, ?SERVER}, ?MODULE, [], []). + stop() -> - gen_server:call(?SERVER, stop). + gen_server:call(?SERVER, stop, infinity). load_report() -> load_report(data, report()). load_report(file, File) -> load_report(data, from_file(File)); load_report(data, Report) -> - start(), gen_server:call(?SERVER, {load_report, Report}). + ok = start_internal(), gen_server:call(?SERVER, {load_report, Report}, infinity). report() -> [ {init_arguments, init:get_arguments()}, @@ -119,22 +116,22 @@ from_file(File) -> applications() -> applications([]). applications(Opts) when is_list(Opts) -> - gen_server:call(?SERVER, {applications, Opts}). + gen_server:call(?SERVER, {applications, Opts}, infinity). application(App) when is_atom(App) -> application(App, []). application(App, Opts) when is_atom(App), is_list(Opts) -> - gen_server:call(?SERVER, {application, App, Opts}). + gen_server:call(?SERVER, {application, App, Opts}, infinity). environment() -> environment([]). environment(Opts) when is_list(Opts) -> - gen_server:call(?SERVER, {environment, Opts}). + gen_server:call(?SERVER, {environment, Opts}, infinity). module(M) when is_atom(M) -> module(M, []). module(M, Opts) when is_atom(M), is_list(Opts) -> - gen_server:call(?SERVER, {module, M, Opts}). + gen_server:call(?SERVER, {module, M, Opts}, infinity). modules(Opt) when is_atom(Opt) -> - gen_server:call(?SERVER, {modules, Opt}). + gen_server:call(?SERVER, {modules, Opt}, infinity). -spec sanity_check() -> ok | {failed, Failures} when @@ -224,6 +221,13 @@ code_change(_OldVsn, State, _Extra) -> %% Internal functions %%=================================================================== +start_internal() -> + case start() of + {ok,_} -> ok; + {error, {already_started,_}} -> ok; + Error -> Error + end. + %% handle report values get_value([], Data) -> Data; @@ -577,10 +581,7 @@ get_beam_name() -> false -> ""; true -> ".smp" end, - Beam = case os:getenv("EMU") of - false -> "beam"; - Value -> Value - end, + Beam = os:getenv("EMU", "beam"), Beam ++ Type ++ Flavor. %% Check runtime dependencies... |