diff options
Diffstat (limited to 'lib/dialyzer/test/race_tests_SUITE_data/src/whereis_diff_vars_race.erl')
| -rw-r--r-- | lib/dialyzer/test/race_tests_SUITE_data/src/whereis_diff_vars_race.erl | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/dialyzer/test/race_tests_SUITE_data/src/whereis_diff_vars_race.erl b/lib/dialyzer/test/race_tests_SUITE_data/src/whereis_diff_vars_race.erl new file mode 100644 index 0000000000..7382d184dc --- /dev/null +++ b/lib/dialyzer/test/race_tests_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. |