diff options
Diffstat (limited to 'lib/dialyzer/test/race_SUITE_data/src/whereis_diff_modules2_pathsens')
2 files changed, 38 insertions, 0 deletions
diff --git a/lib/dialyzer/test/race_SUITE_data/src/whereis_diff_modules2_pathsens/whereis_diff_modules3_pathsens.erl b/lib/dialyzer/test/race_SUITE_data/src/whereis_diff_modules2_pathsens/whereis_diff_modules3_pathsens.erl new file mode 100644 index 0000000000..cb2f85a103 --- /dev/null +++ b/lib/dialyzer/test/race_SUITE_data/src/whereis_diff_modules2_pathsens/whereis_diff_modules3_pathsens.erl @@ -0,0 +1,25 @@ +%% This tests that the race condition detection between whereis/register +%% is robust w.r.t. having the calls in separate modules (forward analysis). +%% It takes into account control flow that might exist. + +-module(whereis_diff_modules3_pathsens). +-export([start/3]). + +start(AnAtom, Fun, FunName) -> + Pid = + case FunName of + master -> + case whereis(AnAtom) of + undefined -> + spawn(Fun); + P when is_pid(P) -> + P + end; + slave -> + case whereis(AnAtom) of + undefined -> + spawn(Fun); + P when is_pid(P) -> + P + end + end. diff --git a/lib/dialyzer/test/race_SUITE_data/src/whereis_diff_modules2_pathsens/whereis_diff_modules4_pathsens.erl b/lib/dialyzer/test/race_SUITE_data/src/whereis_diff_modules2_pathsens/whereis_diff_modules4_pathsens.erl new file mode 100644 index 0000000000..952f9312f4 --- /dev/null +++ b/lib/dialyzer/test/race_SUITE_data/src/whereis_diff_modules2_pathsens/whereis_diff_modules4_pathsens.erl @@ -0,0 +1,13 @@ +%% This tests that the race condition detection between whereis/register +%% is robust w.r.t. having the calls in separate modules (forward analysis). +%% It takes into account control flow that might exist. + +-module(whereis_diff_modules4_pathsens). +-export([no_race/1, race/4]). + +no_race(Pid) -> + register(master, Pid). + +race(Atom, Fun, FunName, Pid) -> + whereis_diff_modules3_pathsens:start(Atom, Fun, FunName), + register(Atom, Pid). |