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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_atoms_race.erl
parentbc619f0cbf9555df6dfc44a499f0cd9cee8bd1be (diff)
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Rename suite data directories
Diffstat (limited to 'lib/dialyzer/test/race_SUITE_data/src/whereis_diff_atoms_race.erl')
-rw-r--r--lib/dialyzer/test/race_SUITE_data/src/whereis_diff_atoms_race.erl34
1 files changed, 34 insertions, 0 deletions
diff --git a/lib/dialyzer/test/race_SUITE_data/src/whereis_diff_atoms_race.erl b/lib/dialyzer/test/race_SUITE_data/src/whereis_diff_atoms_race.erl
new file mode 100644
index 0000000000..6c834caa0c
--- /dev/null
+++ b/lib/dialyzer/test/race_SUITE_data/src/whereis_diff_atoms_race.erl
@@ -0,0 +1,34 @@
+%% This tests that the race condition detection between whereis/register
+%% is robust even when the functions are called with different atoms
+%% as arguments.
+
+-module(whereis_diff_atoms_race).
+-export([test/0]). %, race/1, no_race/1]).
+
+test() ->
+ Fun = fun () -> foo end,
+ {race(maria, Fun), no_race(maria, Fun)}.
+
+race(AnAtom, Fun) ->
+ %AnAtom = maria,
+ case whereis(AnAtom) of
+ undefined ->
+ Pid = spawn(Fun),
+ aux(AnAtom, Pid);
+ P when is_pid(P) ->
+ ok
+ end.
+
+no_race(AnAtom, Fun) ->
+ %AnAtom = maria,
+ case whereis(AnAtom) of
+ undefined ->
+ Pid = spawn(Fun),
+ AnotherAtom = kostis,
+ aux(AnotherAtom, Pid);
+ P when is_pid(P) ->
+ ok
+ end.
+
+aux(Atom, Pid) ->
+ register(Atom, Pid).