diff options
| -rw-r--r-- | erts/emulator/test/match_spec_SUITE.erl | 61 |
1 files changed, 59 insertions, 2 deletions
diff --git a/erts/emulator/test/match_spec_SUITE.erl b/erts/emulator/test/match_spec_SUITE.erl index 2b21fa58f4..461773114e 100644 --- a/erts/emulator/test/match_spec_SUITE.erl +++ b/erts/emulator/test/match_spec_SUITE.erl @@ -27,8 +27,9 @@ destructive_in_test_bif/1, guard_exceptions/1, unary_plus/1, unary_minus/1, moving_labels/1]). -export([fpe/1]). +-export([otp_9422/1]). --export([runner/2]). +-export([runner/2, loop_runner/3]). -export([f1/1, f2/2, f3/2, fn/1, fn/2, fn/3]). -export([do_boxed_and_small/0]). @@ -57,7 +58,8 @@ all() -> trace_control_word, silent, silent_no_ms, ms_trace2, ms_trace3, boxed_and_small, destructive_in_test_bif, guard_exceptions, unary_plus, unary_minus, fpe, - moving_labels]; + moving_labels, + otp_9422]; true -> [not_run] end. @@ -208,6 +210,43 @@ test_3(Config) when is_list(Config) -> ?line collect(P1, [{trace, P1, call, {?MODULE, f2, [a, b]}, [true]}]), ?line ok. +otp_9422(doc) -> []; +otp_9422(Config) when is_list(Config) -> + Laps = 1000, + ?line Fun1 = fun() -> otp_9422_tracee() end, + ?line P1 = spawn_link(?MODULE, loop_runner, [self(), Fun1, Laps]), + io:format("spawned ~p as tracee\n", [P1]), + + ?line erlang:trace(P1, true, [call, silent]), + + ?line Fun2 = fun() -> otp_9422_trace_changer() end, + ?line P2 = spawn_link(?MODULE, loop_runner, [self(), Fun2, Laps]), + io:format("spawned ~p as trace_changer\n", [P2]), + + start_collect(P1), + start_collect(P2), + + %%receive after 10*1000 -> ok end, + + stop_collect(P1), + stop_collect(P2), + ok. + +otp_9422_tracee() -> + ?MODULE:f1(a), + ?MODULE:f1(b), + ?MODULE:f1(c). + +otp_9422_trace_changer() -> + Pat1 = [{[a], [], [{enable_trace, arity}]}], + ?line erlang:trace_pattern({?MODULE, f1, 1}, Pat1), + Pat2 = [{[b], [], [{disable_trace, arity}]}], + ?line erlang:trace_pattern({?MODULE, f1, 1}, Pat2). + + + + + bad_match_spec_bin(Config) when is_list(Config) -> {'EXIT',{badarg,_}} = (catch ets:match_spec_run([1], <<>>)), B0 = <<1,2>>, @@ -932,6 +971,24 @@ runner(Collector, Fun) -> Collector ! {gone, self()} end. +loop_runner(Collector, Fun, Laps) -> + receive + {go, Collector} -> + go + end, + loop_runner_cont(Collector, Fun, 0, Laps). + +loop_runner_cont(_Collector, _Fun, Laps, Laps) -> + receive + {done, Collector} -> + io:format("loop_runner ~p exit after ~p laps\n", [self(), Laps]), + Collector ! {gone, self()} + end; +loop_runner_cont(Collector, Fun, N, Laps) -> + Fun(), + loop_runner_cont(Collector, Fun, N+1, Laps). + + f1(X) -> {X}. |