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-rw-r--r--lib/dialyzer/test/race_SUITE_data/src/whereis_control_flow3.erl25
1 files changed, 25 insertions, 0 deletions
diff --git a/lib/dialyzer/test/race_SUITE_data/src/whereis_control_flow3.erl b/lib/dialyzer/test/race_SUITE_data/src/whereis_control_flow3.erl
new file mode 100644
index 0000000000..94f8445fad
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+++ b/lib/dialyzer/test/race_SUITE_data/src/whereis_control_flow3.erl
@@ -0,0 +1,25 @@
+%% This tests the presence of possible races due to a whereis/register
+%% combination. It takes into account control flow that might exist.
+
+-module(whereis_control_flow3).
+-export([start/3]).
+
+start(AnAtom, Fun, FunName) ->
+ Pid =
+ case FunName of
+ master ->
+ case whereis(AnAtom) of
+ undefined ->
+ spawn(Fun);
+ P when is_pid(P) ->
+ P
+ end;
+ slave ->
+ case whereis(AnAtom) of
+ undefined ->
+ spawn(Fun);
+ P when is_pid(P) ->
+ P
+ end
+ end,
+ register(AnAtom, Pid).