diff options
Diffstat (limited to 'lib/dialyzer/test/race_SUITE_data/src/whereis_rec_function8.erl')
-rw-r--r-- | lib/dialyzer/test/race_SUITE_data/src/whereis_rec_function8.erl | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/dialyzer/test/race_SUITE_data/src/whereis_rec_function8.erl b/lib/dialyzer/test/race_SUITE_data/src/whereis_rec_function8.erl new file mode 100644 index 0000000000..a06fb75f64 --- /dev/null +++ b/lib/dialyzer/test/race_SUITE_data/src/whereis_rec_function8.erl @@ -0,0 +1,22 @@ +%% This tests the presence of possible races due to a whereis/register +%% combination in a recursive function. + +-module(whereis_rec_function8). +-export([test/2]). + +test(AnAtom, Fun) -> + start(AnAtom, Fun). + +start(AnAtom, Fun) -> + case whereis(AnAtom) of + undefined -> + Pid = spawn(Fun), + case Pid =:= self() of + true -> ok; + false -> + start(AnAtom, Fun), + register(AnAtom, Pid) + end; + P when is_pid(P) -> + ok + end. |