diff options
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.erl | 35 |
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). + |