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authorMicael Karlberg <[email protected]>2011-03-17 12:19:57 +0100
committerMicael Karlberg <[email protected]>2011-03-17 12:19:57 +0100
commit6b1d1ab0a27e9ed08a626e18319beb91d0a0d5ce (patch)
tree82e54daec07390bb4cad8b279e0e8d1fd0170b78 /lib/dialyzer/test/race_tests_SUITE_data/src/whereis_diff_atoms_race.erl
parent4f42486c2f94860c1aa8152562760b6a2aa7c5cb (diff)
parentf861b4fdb3fd39e35f2951c53a73b30a98c7f973 (diff)
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Merge branch 'dev' into bmk/inets/ftp/missing_spec_causes_dialyxer_problems/OTP-9114
Also fixed a bunch of "end-years" (was 2010 but should have been 2011, which the commit hook not happy with).
Diffstat (limited to 'lib/dialyzer/test/race_tests_SUITE_data/src/whereis_diff_atoms_race.erl')
-rw-r--r--lib/dialyzer/test/race_tests_SUITE_data/src/whereis_diff_atoms_race.erl35
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/dialyzer/test/race_tests_SUITE_data/src/whereis_diff_atoms_race.erl b/lib/dialyzer/test/race_tests_SUITE_data/src/whereis_diff_atoms_race.erl
new file mode 100644
index 0000000000..7e302247f8
--- /dev/null
+++ b/lib/dialyzer/test/race_tests_SUITE_data/src/whereis_diff_atoms_race.erl
@@ -0,0 +1,35 @@
+%% 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).
+