diff options
Diffstat (limited to 'erts/emulator/test/dirty_nif_SUITE.erl')
| -rw-r--r-- | erts/emulator/test/dirty_nif_SUITE.erl | 198 |
1 files changed, 168 insertions, 30 deletions
diff --git a/erts/emulator/test/dirty_nif_SUITE.erl b/erts/emulator/test/dirty_nif_SUITE.erl index 658bdc41b6..93d0ac392c 100644 --- a/erts/emulator/test/dirty_nif_SUITE.erl +++ b/erts/emulator/test/dirty_nif_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2010-2014. All Rights Reserved. +%% Copyright Ericsson AB 2010-2017. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -34,7 +34,8 @@ dirty_scheduler_exit/1, dirty_call_while_terminated/1, dirty_heap_access/1, dirty_process_info/1, dirty_process_register/1, dirty_process_trace/1, - code_purge/1, dirty_nif_send_traced/1]). + code_purge/1, dirty_nif_send_traced/1, + nif_whereis/1, nif_whereis_parallel/1, nif_whereis_proxy/1]). -define(nif_stub,nif_stub_error(?LINE)). @@ -51,11 +52,13 @@ all() -> dirty_process_register, dirty_process_trace, code_purge, - dirty_nif_send_traced]. + dirty_nif_send_traced, + nif_whereis, + nif_whereis_parallel]. init_per_suite(Config) -> - try erlang:system_info(dirty_cpu_schedulers) of - N when is_integer(N), N > 0 -> + case erlang:system_info(dirty_cpu_schedulers) of + N when N > 0 -> case lib_loaded() of false -> ok = erlang:load_nif( @@ -64,8 +67,8 @@ init_per_suite(Config) -> true -> ok end, - Config - catch _:_ -> + Config; + _ -> {skipped, "No dirty scheduler support"} end. @@ -106,9 +109,8 @@ dirty_nif_exception(Config) when is_list(Config) -> call_dirty_nif_exception(1), ct:fail(expected_badarg) catch - error:badarg -> - [{?MODULE,call_dirty_nif_exception,[1],_}|_] = - erlang:get_stacktrace(), + error:badarg:Stk1 -> + [{?MODULE,call_dirty_nif_exception,[1],_}|_] = Stk1, ok end, try @@ -118,9 +120,8 @@ dirty_nif_exception(Config) when is_list(Config) -> call_dirty_nif_exception(0), ct:fail(expected_badarg) catch - error:badarg -> - [{?MODULE,call_dirty_nif_exception,[0],_}|_] = - erlang:get_stacktrace(), + error:badarg:Stk2 -> + [{?MODULE,call_dirty_nif_exception,[0],_}|_] = Stk2, ok end, %% this checks that a dirty NIF can raise various terms as @@ -135,8 +136,8 @@ nif_raise_exceptions(NifFunc) -> erlang:apply(?MODULE,NifFunc,[Term]), ct:fail({expected,Term}) catch - error:Term -> - [{?MODULE,NifFunc,[Term],_}|_] = erlang:get_stacktrace(), + error:Term:Stk -> + [{?MODULE,NifFunc,[Term],_}|_] = Stk, ok end end, ok, ExcTerms). @@ -148,6 +149,11 @@ dirty_scheduler_exit(Config) when is_list(Config) -> [ok] = mcall(Node, [fun() -> ok = erlang:load_nif(NifLib, []), + %% Perform a dry run to ensure that all required code + %% is loaded. Otherwise the test will fail since code + %% loading is done through dirty IO and it won't make + %% any progress during this test. + _DryRun = test_dirty_scheduler_exit(), Start = erlang:monotonic_time(millisecond), ok = test_dirty_scheduler_exit(), End = erlang:monotonic_time(millisecond), @@ -168,19 +174,18 @@ test_dse(N,Pids) -> test_dse(N-1,[Pid|Pids]). kill_dse([],Killed) -> - wait_dse(Killed); + wait_dse(Killed, ok); kill_dse([Pid|Pids],AlreadyKilled) -> exit(Pid,kill), kill_dse(Pids,[Pid|AlreadyKilled]). -wait_dse([]) -> - ok; -wait_dse([Pid|Pids]) -> +wait_dse([], Result) -> + Result; +wait_dse([Pid|Pids], Result) -> receive - {'EXIT',Pid,Reason} -> - killed = Reason - end, - wait_dse(Pids). + {'EXIT', Pid, killed} -> wait_dse(Pids, Result); + {'EXIT', Pid, _Other} -> wait_dse(Pids, failed) + end. dirty_call_while_terminated(Config) when is_list(Config) -> Me = self(), @@ -214,7 +219,7 @@ dirty_call_while_terminated(Config) when is_list(Config) -> undefined = process_info(Dirty, status), false = erlang:is_process_alive(Dirty), false = lists:member(Dirty, processes()), - %% Binary still refered by Dirty process not yet cleaned up + %% Binary still referred by Dirty process not yet cleaned up %% since the dirty nif has not yet returned... {value, {BinAddr, 4711, 2}} = lists:keysearch(4711, 2, element(2, @@ -284,9 +289,9 @@ access_dirty_heap(Dirty, RGL, N, R) -> %% dirty NIF where the main lock is needed for that access do not get %% blocked. Each test passes its pid to dirty_sleeper, which sends a %% 'ready' message when it's running on a dirty scheduler and just before -%% it starts a 6 second sleep. When it receives the message, it verifies +%% it starts a 2 second sleep. When it receives the message, it verifies %% that access to the dirty process is as it expects. After the dirty -%% process finishes its 6 second sleep but before it returns from the dirty +%% process finishes its 2 second sleep but before it returns from the dirty %% scheduler, it sends a 'done' message. If the tester already received %% that message, the test fails because it means attempting to access the %% dirty process waited for that process to return to a regular scheduler, @@ -350,7 +355,7 @@ dirty_process_trace(Config) when is_list(Config) -> error(missing_trace_return_message) end after - 6500 -> + 2500 -> error(missing_done_message) end, ok @@ -377,7 +382,7 @@ code_purge(Config) when is_list(Config) -> Start = erlang:monotonic_time(), {Pid1, Mon1} = spawn_monitor(fun () -> dirty_code_test:func(fun () -> - %% Sleep for 6 seconds + %% Sleep for 2 seconds %% in dirty nif... dirty_sleeper() end) @@ -385,7 +390,7 @@ code_purge(Config) when is_list(Config) -> {module, dirty_code_test} = erlang:load_module(dirty_code_test, Bin), {Pid2, Mon2} = spawn_monitor(fun () -> dirty_code_test:func(fun () -> - %% Sleep for 6 seconds + %% Sleep for 2 seconds %% in dirty nif... dirty_sleeper() end) @@ -487,7 +492,7 @@ test_dirty_process_access(Start, Test, Finish) -> ok end after - 3000 -> + 1000 -> error(timeout) end, ok = Finish(NifPid). @@ -531,6 +536,137 @@ mcall(Node, Funs) -> end end, Refs). +%% Test enif_whereis_... +%% These tests are mostly identical to their counterparts in nif_SUITE.erl, +%% with just name and count changes in the first few lines. + +nif_whereis(Config) when is_list(Config) -> + erl_ddll:try_load(?config(data_dir, Config), echo_drv, []), + + RegName = dirty_nif_whereis_test_thing, + undefined = erlang:whereis(RegName), + false = whereis_term(pid, RegName), + + Mgr = self(), + Ref = make_ref(), + ProcMsg = {Ref, ?LINE}, + PortMsg = ?MODULE_STRING " whereis hello\n", + + {Pid, Mon} = spawn_monitor(?MODULE, nif_whereis_proxy, [Ref]), + true = register(RegName, Pid), + Pid = erlang:whereis(RegName), + Pid = whereis_term(pid, RegName), + false = whereis_term(port, RegName), + false = whereis_term(pid, [RegName]), + + ok = whereis_send(pid, RegName, {forward, Mgr, ProcMsg}), + ok = receive ProcMsg -> ok end, + + Pid ! {Ref, quit}, + ok = receive {'DOWN', Mon, process, Pid, normal} -> ok end, + undefined = erlang:whereis(RegName), + false = whereis_term(pid, RegName), + + Port = open_port({spawn, echo_drv}, [eof]), + true = register(RegName, Port), + Port = erlang:whereis(RegName), + Port = whereis_term(port, RegName), + false = whereis_term(pid, RegName), + false = whereis_term(port, [RegName]), + + ok = whereis_send(port, RegName, PortMsg), + ok = receive {Port, {data, PortMsg}} -> ok end, + + port_close(Port), + undefined = erlang:whereis(RegName), + false = whereis_term(port, RegName), + ok. + +nif_whereis_parallel(Config) when is_list(Config) -> + + %% try to be at least a little asymetric + NProcs = trunc(3.5 * erlang:system_info(schedulers)), + NSeq = lists:seq(1, NProcs), + Names = [list_to_atom("dirty_nif_whereis_proc_" ++ integer_to_list(N)) + || N <- NSeq], + Mgr = self(), + Ref = make_ref(), + + NotReg = fun(Name) -> + erlang:whereis(Name) == undefined + end, + PidReg = fun({Name, Pid, _Mon}) -> + erlang:whereis(Name) == Pid andalso whereis_term(pid, Name) == Pid + end, + RecvDown = fun({_Name, Pid, Mon}) -> + receive {'DOWN', Mon, process, Pid, normal} -> true + after 1500 -> false end + end, + RecvNum = fun(N) -> + receive {N, Ref} -> true + after 1500 -> false end + end, + + true = lists:all(NotReg, Names), + + %% {Name, Pid, Mon} + Procs = lists:map( + fun(N) -> + Name = lists:nth(N, Names), + Prev = lists:nth((if N == 1 -> NProcs; true -> (N - 1) end), Names), + Next = lists:nth((if N == NProcs -> 1; true -> (N + 1) end), Names), + {Pid, Mon} = spawn_monitor( + ?MODULE, nif_whereis_proxy, [{N, Ref, Mgr, [Prev, Next]}]), + true = register(Name, Pid), + {Name, Pid, Mon} + end, NSeq), + + true = lists:all(PidReg, Procs), + + %% tell them all to 'fire' as fast as we can + [P ! {Ref, send_proc} || {_, P, _} <- Procs], + + %% each gets forwarded through two processes + true = lists:all(RecvNum, NSeq), + true = lists:all(RecvNum, NSeq), + + %% tell them all to 'quit' by name + [N ! {Ref, quit} || {N, _, _} <- Procs], + true = lists:all(RecvDown, Procs), + true = lists:all(NotReg, Names), + ok. + +%% exported to be spawned by MFA by whereis tests +nif_whereis_proxy({N, Ref, Mgr, Targets} = Args) -> + receive + {forward, To, Data} -> + To ! Data, + nif_whereis_proxy(Args); + {Ref, quit} -> + ok; + {Ref, send_port} -> + Msg = ?MODULE_STRING " whereis " ++ integer_to_list(N) ++ "\n", + lists:foreach( + fun(T) -> + ok = whereis_send(port, T, Msg) + end, Targets), + nif_whereis_proxy(Args); + {Ref, send_proc} -> + lists:foreach( + fun(T) -> + ok = whereis_send(pid, T, {forward, Mgr, {N, Ref}}) + end, Targets), + nif_whereis_proxy(Args) + end; +nif_whereis_proxy(Ref) -> + receive + {forward, To, Data} -> + To ! Data, + nif_whereis_proxy(Ref); + {Ref, quit} -> + ok + end. + %% The NIFs: lib_loaded() -> false. call_dirty_nif(_,_,_) -> ?nif_stub. @@ -542,6 +678,8 @@ dirty_call_while_terminated_nif(_) -> ?nif_stub. dirty_sleeper() -> ?nif_stub. dirty_sleeper(_) -> ?nif_stub. dirty_heap_access_nif(_) -> ?nif_stub. +whereis_term(_Type,_Name) -> ?nif_stub. +whereis_send(_Type,_Name,_Msg) -> ?nif_stub. nif_stub_error(Line) -> exit({nif_not_loaded,module,?MODULE,line,Line}). |