diff options
Diffstat (limited to 'lib/dialyzer/test/race_SUITE_data/src/whereis_rec_function4.erl')
-rw-r--r-- | lib/dialyzer/test/race_SUITE_data/src/whereis_rec_function4.erl | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/lib/dialyzer/test/race_SUITE_data/src/whereis_rec_function4.erl b/lib/dialyzer/test/race_SUITE_data/src/whereis_rec_function4.erl new file mode 100644 index 0000000000..4894d3397b --- /dev/null +++ b/lib/dialyzer/test/race_SUITE_data/src/whereis_rec_function4.erl @@ -0,0 +1,27 @@ +%% This tests the presence of possible races due to a register/whereis +%% combination in an indirectly recursive function. + +-module(whereis_rec_function4). +-export([test/0]). + +test() -> + start(undefined, second, mod:f(), self()). + +start(AnAtom, NextAtom, Fun, Id) -> + case AnAtom of + undefined -> register(start, Id); + _ -> register(AnAtom, Id) + end, + case whereis(NextAtom) of + undefined -> + Pid = spawn(Fun), + case Pid =:= self() of + true -> ok; + false -> continue(NextAtom, mod:next(), Pid, Id) + end; + P when is_pid(P) -> + ok + end. + +continue(Atom, NextAtom, Fun, Id) -> + start(Atom, NextAtom, Fun, Id). |