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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_functions4.erl
parentbc619f0cbf9555df6dfc44a499f0cd9cee8bd1be (diff)
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Rename suite data directories
Diffstat (limited to 'lib/dialyzer/test/race_SUITE_data/src/whereis_diff_functions4.erl')
-rw-r--r--lib/dialyzer/test/race_SUITE_data/src/whereis_diff_functions4.erl32
1 files changed, 32 insertions, 0 deletions
diff --git a/lib/dialyzer/test/race_SUITE_data/src/whereis_diff_functions4.erl b/lib/dialyzer/test/race_SUITE_data/src/whereis_diff_functions4.erl
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index 0000000000..e40483d487
--- /dev/null
+++ b/lib/dialyzer/test/race_SUITE_data/src/whereis_diff_functions4.erl
@@ -0,0 +1,32 @@
+%% This tests that the race condition detection between whereis/register
+%% is robust w.r.t. having the calls in separate functions.
+
+-module(whereis_diff_functions4).
+-export([test/2]).
+
+test(AnAtom, Fun) ->
+ start(AnAtom, Fun).
+
+start(AnAtom, Fun) ->
+ Pid1 = spawn(Fun),
+ no_race(Pid1),
+ case whereis(AnAtom) of
+ undefined ->
+ Pid2 = spawn(Fun),
+ race(AnAtom, Pid2),
+ case whereis(AnAtom) of
+ undefined ->
+ Pid3 = spawn(Fun),
+ race(AnAtom, Pid3);
+ P when is_pid(P) ->
+ true
+ end;
+ P when is_pid(P) ->
+ true
+ end.
+
+no_race(Pid) ->
+ register(master, Pid).
+
+race(Atom, Pid) ->
+ register(Atom, Pid).