diff options
Diffstat (limited to 'lib/tools')
| -rw-r--r-- | lib/tools/src/lcnt.erl | 7 | ||||
| -rw-r--r-- | lib/tools/test/lcnt_SUITE.erl | 8 |
2 files changed, 11 insertions, 4 deletions
diff --git a/lib/tools/src/lcnt.erl b/lib/tools/src/lcnt.erl index 139b3d8a4a..20b031a7ad 100644 --- a/lib/tools/src/lcnt.erl +++ b/lib/tools/src/lcnt.erl @@ -218,9 +218,11 @@ raw() -> call(raw). set(Option, Value) -> call({set, Option, Value}). set({Option, Value}) -> call({set, Option, Value}). save(Filename) -> call({save, Filename}). -load(Filename) -> ok = start_internal(), call({load, Filename}). +load(Filename) -> call({load, Filename}). -call(Msg) -> gen_server:call(?MODULE, Msg, infinity). +call(Msg) -> + ok = start_internal(), + gen_server:call(?MODULE, Msg, infinity). %% -------------------------------------------------------------------- %% %% @@ -237,7 +239,6 @@ apply(Fun) when is_function(Fun) -> lcnt:apply(Fun, []). apply(Fun, As) when is_function(Fun) -> - ok = start_internal(), Opt = lcnt:rt_opt({copy_save, true}), lcnt:clear(), Res = erlang:apply(Fun, As), diff --git a/lib/tools/test/lcnt_SUITE.erl b/lib/tools/test/lcnt_SUITE.erl index 146c915087..4a92abb5c8 100644 --- a/lib/tools/test/lcnt_SUITE.erl +++ b/lib/tools/test/lcnt_SUITE.erl @@ -30,6 +30,7 @@ t_conflicts/1, t_locations/1, t_swap_keys/1, + t_implicit_start/1, smoke_lcnt/1]). init_per_testcase(_Case, Config) -> @@ -44,7 +45,7 @@ suite() -> {timetrap,{minutes,4}}]. all() -> - [t_load, t_conflicts, t_locations, t_swap_keys, + [t_load, t_conflicts, t_locations, t_swap_keys, t_implicit_start, smoke_lcnt]. %%---------------------------------------------------------------------- @@ -149,6 +150,11 @@ t_swap_keys_file([File|Files]) -> ok = lcnt:stop(), t_swap_keys_file(Files). +%% Prior to OTP-14913 this would crash with 'noproc' as the lcnt server hadn't +%% been started yet. +t_implicit_start(Config) when is_list(Config) -> + ok = lcnt:conflicts(). + %% Simple smoke test of actual lock-counting, if running on %% a run-time with lock-counting enabled. smoke_lcnt(Config) -> |