Introduce gen_statem vs gen_fsm benchmark

Conflicts:
	lib/stdlib/test/stdlib_bench_SUITE.erl

1 files changed, 59 insertions, 0 deletions

diff --git a/lib/stdlib/test/stdlib_bench_SUITE_data/generic_fsm.erl b/lib/stdlib/test/stdlib_bench_SUITE_data/generic_fsm.erl
new file mode 100644
index 0000000000..50f7df7a2a
--- /dev/null
+++ b/lib/stdlib/test/stdlib_bench_SUITE_data/generic_fsm.erl
@@ -0,0 +1,59 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2017-2018. 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(generic_fsm).
+
+-export([start/1, reply/2, transit/2, stop/1]).
+
+-export([init/1, terminate/3]).
+-export([state1/3, state2/3]).
+
+-behaivour(gen_fsm).
+
+
+%% API
+
+start(Data) ->
+    {ok, Pid} = gen_fsm:start(?MODULE, Data, []),
+    Pid.
+
+stop(P) ->
+    ok = gen_fsm:stop(P).
+
+reply(S, M) ->
+    gen_fsm:sync_send_event(S, {reply, M}, infinity).
+
+transit(S, M) ->
+    gen_fsm:sync_send_event(S, {transit, M}, infinity).
+
+%% Implementation
+
+init(Data) ->
+    {ok, state1, Data}.
+
+terminate(_Reason, _State, _Data) ->
+    ok.
+
+state1({reply, M}, _From, Data) ->
+    {reply, M, ?FUNCTION_NAME, Data};
+state1({transit, M}, _From, Data) ->
+    {reply, M, state2, Data}.
+
+state2({transit, M}, _From, Data) ->
+    {reply, M, state1, Data}.