diff options
Diffstat (limited to 'lib/kernel')
| -rw-r--r-- | lib/kernel/test/code_SUITE.erl | 50 | ||||
| -rw-r--r-- | lib/kernel/test/gen_tcp_misc_SUITE.erl | 41 |
2 files changed, 85 insertions, 6 deletions
diff --git a/lib/kernel/test/code_SUITE.erl b/lib/kernel/test/code_SUITE.erl index 62ad7b6a27..a5a5da4684 100644 --- a/lib/kernel/test/code_SUITE.erl +++ b/lib/kernel/test/code_SUITE.erl @@ -35,6 +35,7 @@ purge_stacktrace/1, mult_lib_roots/1, bad_erl_libs/1, code_archive/1, code_archive2/1, on_load/1, on_load_binary/1, on_load_embedded/1, on_load_errors/1, on_load_update/1, + on_load_trace_on_load/1, on_load_purge/1, on_load_self_call/1, on_load_pending/1, on_load_deleted/1, big_boot_embedded/1, @@ -65,13 +66,15 @@ all() -> ext_mod_dep, clash, where_is_file, purge_stacktrace, mult_lib_roots, bad_erl_libs, code_archive, code_archive2, on_load, - on_load_binary, on_load_embedded, on_load_errors, on_load_update, + on_load_binary, on_load_embedded, on_load_errors, + {group, sequence}, on_load_purge, on_load_self_call, on_load_pending, on_load_deleted, big_boot_embedded, native_early_modules, get_mode, normalized_paths]. -groups() -> - []. +%% These need to run in order +groups() -> [{sequence, [sequence], [on_load_update, + on_load_trace_on_load]}]. init_per_group(_GroupName, Config) -> Config. @@ -1456,7 +1459,7 @@ do_on_load_error(ReturnValue) -> {undef,[{on_load_error,main,[],_}|_]} = Exit end. -on_load_update(_Config) -> +on_load_update(Config) -> {Mod,Code1} = on_load_update_code(1), {module,Mod} = code:load_binary(Mod, "", Code1), 42 = Mod:a(), @@ -1466,7 +1469,7 @@ on_load_update(_Config) -> {Mod,Code2} = on_load_update_code(2), {error,on_load_failure} = code:load_binary(Mod, "", Code2), 42 = Mod:a(), - 100 = Mod:b(99), + 78 = Mod:b(77), {'EXIT',{undef,_}} = (catch Mod:never()), 4 = erlang:trace_pattern({Mod,'_','_'}, false), @@ -1477,6 +1480,9 @@ on_load_update(_Config) -> {'EXIT',{undef,_}} = (catch Mod:b(10)), {'EXIT',{undef,_}} = (catch Mod:never()), + code:purge(Mod), + code:delete(Mod), + code:purge(Mod), ok. on_load_update_code(Version) -> @@ -1508,6 +1514,40 @@ on_load_update_code_1(3, Mod) -> "f() -> ok.\n", "c() -> 100.\n"]). +%% Test -on_load while trace feature 'on_load' is enabled (OTP-14612) +on_load_trace_on_load(Config) -> + Papa = self(), + Tracer = spawn_link(fun F() -> receive M -> Papa ! M end, F() end), + {tracer,[]} = erlang:trace_info(self(),tracer), + erlang:trace(self(), true, [call, {tracer, Tracer}]), + erlang:trace_pattern(on_load, true, []), + on_load_update(Config), + erlang:trace_pattern(on_load, false, []), + erlang:trace(self(), false, [call]), + + %% WE GET TRACES FOR CALLS TO UNDEFINED FUNCTIONS ??? + %% Remove filter when that is fixed. + Ms = lists:filter(fun({trace,Papa,call, + {error_handler,undefined_function, + [on_load_update_code,_,_]}}) + -> false; + (_) -> true + end, + flush()), + + [{trace, Papa, call, {on_load_update_code, a, []}}, + {trace, Papa, call, {on_load_update_code, b, [99]}}, + {trace, Papa, call, {on_load_update_code, c, []}}] = Ms, + + exit(Tracer, normal), + ok. + +flush() -> + receive M -> [M | flush()] + after 100 -> [] + end. + + on_load_purge(_Config) -> Mod = ?FUNCTION_NAME, register(Mod, self()), diff --git a/lib/kernel/test/gen_tcp_misc_SUITE.erl b/lib/kernel/test/gen_tcp_misc_SUITE.erl index 6b64c83fc2..5e08a5ea62 100644 --- a/lib/kernel/test/gen_tcp_misc_SUITE.erl +++ b/lib/kernel/test/gen_tcp_misc_SUITE.erl @@ -52,7 +52,7 @@ active_once_closed/1, send_timeout/1, send_timeout_active/1, otp_7731/1, zombie_sockets/1, otp_7816/1, otp_8102/1, wrapping_oct/0, wrapping_oct/1, - otp_9389/1]). + otp_9389/1, otp_13939/1]). %% Internal exports. -export([sender/3, not_owner/1, passive_sockets_server/2, priority_server/1, @@ -3014,3 +3014,42 @@ ok({ok,V}) -> V. get_hostname(Name) -> "@"++Host = lists:dropwhile(fun(C) -> C =/= $@ end, atom_to_list(Name)), Host. + +otp_13939(doc) -> + ["Check that writing to a remotely closed socket doesn't block forever " + "when exit_on_close is false."]; +otp_13939(suite) -> + []; +otp_13939(Config) when is_list(Config) -> + {Pid, Ref} = spawn_opt( + fun() -> + {ok, Listener} = gen_tcp:listen(0, [{exit_on_close, false}]), + {ok, Port} = inet:port(Listener), + + spawn_link( + fun() -> + {ok, Client} = gen_tcp:connect("localhost", Port, + [{active, false}]), + ok = gen_tcp:close(Client) + end), + + {ok, Accepted} = gen_tcp:accept(Listener), + + ok = gen_tcp:send(Accepted, <<0:(10*1024*1024*8)>>), + + %% The bug surfaces when there's a delay between the send + %% operations; inet:getstat is a red herring. + timer:sleep(100), + + {error, Code} = gen_tcp:send(Accepted, <<0:(10*1024*1024*8)>>), + ct:pal("gen_tcp:send returned ~p~n", [Code]) + end, [link, monitor]), + + receive + {'DOWN', Ref, process, Pid, normal} -> + ok + after 1000 -> + demonitor(Ref, [flush]), + exit(Pid, normal), + ct:fail("Server process blocked on send.") + end. |