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authorStavros Aronis <[email protected]>2011-04-02 18:57:42 +0300
committerHenrik Nord <[email protected]>2011-05-04 15:06:15 +0200
commitca4633fd683527097451ca1398c90c87bb5c14fc (patch)
tree3d8e18c9becd4feb7d3ceb1eed24bdce2ef69dd6 /lib/dialyzer/test/race_SUITE_data/src/whereis_diff_vars_race.erl
parentbc619f0cbf9555df6dfc44a499f0cd9cee8bd1be (diff)
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Rename suite data directories
Diffstat (limited to 'lib/dialyzer/test/race_SUITE_data/src/whereis_diff_vars_race.erl')
-rw-r--r--lib/dialyzer/test/race_SUITE_data/src/whereis_diff_vars_race.erl19
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/dialyzer/test/race_SUITE_data/src/whereis_diff_vars_race.erl b/lib/dialyzer/test/race_SUITE_data/src/whereis_diff_vars_race.erl
new file mode 100644
index 0000000000..90791de1b2
--- /dev/null
+++ b/lib/dialyzer/test/race_SUITE_data/src/whereis_diff_vars_race.erl
@@ -0,0 +1,19 @@
+%% This tests that the race condition detection between whereis/register
+%% is robust even when the functions are called with different variables
+%% as arguments.
+
+-module(whereis_diff_vars_race).
+-export([test/2]).
+
+test(AnAtom, AnotherAtom) ->
+ Fun = fun () -> foo end,
+ {aux(AnAtom, AnotherAtom, Fun), aux(AnotherAtom, AnAtom, Fun)}.
+
+aux(Atom1, Atom2, Fun) ->
+ case whereis(Atom1) of
+ undefined ->
+ Pid = spawn(Fun),
+ register(Atom2, Pid);
+ P when is_pid(P) ->
+ ok
+ end.