diff options
Diffstat (limited to 'erts/emulator/test/nif_SUITE.erl')
| -rw-r--r-- | erts/emulator/test/nif_SUITE.erl | 1134 |
1 files changed, 1081 insertions, 53 deletions
diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl index 9c1694fa8a..4237715c4b 100644 --- a/erts/emulator/test/nif_SUITE.erl +++ b/erts/emulator/test/nif_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2010-2016. 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. @@ -21,15 +21,24 @@ -module(nif_SUITE). %%-define(line_trace,true). --define(CHECK(Exp,Got), check(Exp,Got,?LINE)). +-define(CHECK(Exp,Got), Exp = check(Exp,Got,?LINE)). %%-define(CHECK(Exp,Got), Exp = Got). -include_lib("common_test/include/ct.hrl"). --export([all/0, suite/0, +-export([all/0, suite/0, groups/0, + init_per_group/2, end_per_group/2, init_per_testcase/2, end_per_testcase/2, - basic/1, reload/1, upgrade/1, heap_frag/1, + basic/1, reload_error/1, upgrade/1, heap_frag/1, t_on_load/1, + select/1, + monitor_process_a/1, + monitor_process_b/1, + monitor_process_c/1, + monitor_process_d/1, + demonitor_process/1, + monitor_frenzy/1, + hipe/1, types/1, many_args/1, binaries/1, get_string/1, get_atom/1, maps/1, api_macros/1, @@ -47,32 +56,36 @@ nif_is_process_alive/1, nif_is_port_alive/1, nif_term_to_binary/1, nif_binary_to_term/1, nif_port_command/1, - nif_snprintf/1 + nif_snprintf/1, + nif_internal_hash/1, + nif_internal_hash_salted/1, + nif_phash2/1, + nif_whereis/1, nif_whereis_parallel/1, + nif_whereis_threaded/1, nif_whereis_proxy/1, + nif_ioq/1 ]). -export([many_args_100/100]). - -%% -export([lib_version/0,call_history/0,hold_nif_mod_priv_data/1,nif_mod_call_history/0, -%% list_seq/1,type_test/0,tuple_2_list/1,is_identical/2,compare/2, -%% clone_bin/1,make_sub_bin/3,string_to_bin/2,atom_to_bin/2,macros/1, -%% tuple_2_list_and_tuple/1,iolist_2_bin/1,get_resource_type/1,alloc_resource/2, -%% make_resource/1,get_resource/2,release_resource/1,last_resource_dtor_call/0, suite/0, -%% make_new_resource/2,make_new_resource_binary/1,send_list_seq/2,send_new_blob/2, -%% alloc_msgenv/0,clear_msgenv/1,grow_blob/2,send_blob/2,send_blob_thread/3, -%% join_send_thread/1]). - - -define(nif_stub,nif_stub_error(?LINE)). +-define(is_resource, is_reference). + suite() -> [{ct_hooks,[ts_install_cth]}]. -all() -> - [basic, reload, upgrade, heap_frag, types, many_args, - t_on_load, +all() -> + [basic] + ++ + [{group, G} || G <- api_groups()] + ++ + [reload_error, heap_frag, types, many_args, + select, + {group, monitor}, + monitor_frenzy, + hipe, binaries, get_string, get_atom, maps, api_macros, from_array, iolist_as_binary, resource, resource_binary, - resource_takeover, threading, send, send2, send3, + threading, send, send2, send3, send_threaded, neg, is_checks, get_length, make_atom, make_string,reverse_list_test, otp_9828, @@ -83,11 +96,61 @@ all() -> nif_is_process_alive, nif_is_port_alive, nif_term_to_binary, nif_binary_to_term, nif_port_command, - nif_snprintf]. + nif_snprintf, + nif_internal_hash, + nif_internal_hash_salted, + nif_phash2, + nif_whereis, nif_whereis_parallel, nif_whereis_threaded, + nif_ioq]. + +groups() -> + [{G, [], api_repeaters()} || G <- api_groups()] + ++ + [{monitor, [], [monitor_process_a, + monitor_process_b, + monitor_process_c, + monitor_process_d, + demonitor_process]}]. + + +api_groups() -> [api_latest, api_2_4, api_2_0]. + +api_repeaters() -> [upgrade, resource_takeover, t_on_load]. + +init_per_group(api_2_4, Config) -> + [{nif_api_version, ".2_4"} | Config]; +init_per_group(api_2_0, Config) -> + case {os:type(),erlang:system_info({wordsize, internal})} of + {{win32,_}, 8} -> + %% ERL_NIF_TERM was declared as 32-bit 'long' until 2.3 + {skip, "API 2.0 buggy on Windows 64-bit"}; + _ -> + [{nif_api_version, ".2_0"} | Config] + end; +init_per_group(_, Config) -> Config. + +end_per_group(_,_) -> ok. init_per_testcase(t_on_load, Config) -> ets:new(nif_SUITE, [named_table]), Config; +init_per_testcase(hipe, Config) -> + case erlang:system_info(hipe_architecture) of + undefined -> {skip, "HiPE is disabled"}; + _ -> Config + end; +init_per_testcase(nif_whereis_threaded, Config) -> + case erlang:system_info(threads) of + true -> Config; + false -> {skip, "No thread support"} + end; +init_per_testcase(select, Config) -> + case os:type() of + {win32,_} -> + {skip, "Test not yet implemented for windows"}; + _ -> + Config + end; init_per_testcase(_Case, Config) -> Config. @@ -112,8 +175,8 @@ basic(Config) when is_list(Config) -> true = lists:member(?MODULE, erlang:system_info(taints)), ok. -%% Test reload callback in nif lib -reload(Config) when is_list(Config) -> +%% Test old reload feature now always fails +reload_error(Config) when is_list(Config) -> TmpMem = tmpmem(), ensure_lib_loaded(Config), @@ -127,20 +190,20 @@ reload(Config) when is_list(Config) -> hold_nif_mod_priv_data(nif_mod:get_priv_data_ptr()), [{load,1,1,101},{get_priv_data_ptr,1,2,102}] = nif_mod_call_history(), - ok = nif_mod:load_nif_lib(Config, 2), - 2 = nif_mod:lib_version(), - [{reload,2,1,201},{lib_version,2,2,202}] = nif_mod_call_history(), + {error, {reload, _}} = nif_mod:load_nif_lib(Config, 2), + 1 = nif_mod:lib_version(), + [{lib_version,1,3,103}] = nif_mod_call_history(), - ok = nif_mod:load_nif_lib(Config, 1), + {error, {reload, _}} = nif_mod:load_nif_lib(Config, 1), 1 = nif_mod:lib_version(), - [{reload,1,1,101},{lib_version,1,2,102}] = nif_mod_call_history(), + [{lib_version,1,4,104}] = nif_mod_call_history(), true = erlang:delete_module(nif_mod), [] = nif_mod_call_history(), %%false= check_process_code(Pid, nif_mod), true = erlang:purge_module(nif_mod), - [{unload,1,3,103}] = nif_mod_call_history(), + [{unload,1,5,105}] = nif_mod_call_history(), true = lists:member(?MODULE, erlang:system_info(taints)), true = lists:member(nif_mod, erlang:system_info(taints)), @@ -148,7 +211,7 @@ reload(Config) when is_list(Config) -> ok. %% Test upgrade callback in nif lib -upgrade(Config) when is_list(Config) -> +upgrade(Config) when is_list(Config) -> TmpMem = tmpmem(), ensure_lib_loaded(Config), @@ -299,6 +362,8 @@ t_on_load(Config) when is_list(Config) -> %% Use ETS to tell nif_mod:on_load what to do ets:insert(nif_SUITE, {data_dir, Data}), ets:insert(nif_SUITE, {lib_version, 1}), + API = proplists:get_value(nif_api_version, Config, ""), + ets:insert(nif_SUITE, {nif_api_version, API}), {module,nif_mod} = code:load_binary(nif_mod,File,Bin), hold_nif_mod_priv_data(nif_mod:get_priv_data_ptr()), [{load,1,1,101},{get_priv_data_ptr,1,2,102}] = nif_mod_call_history(), @@ -411,6 +476,387 @@ t_on_load(Config) when is_list(Config) -> verify_tmpmem(TmpMem), ok. +-define(ERL_NIF_SELECT_READ, (1 bsl 0)). +-define(ERL_NIF_SELECT_WRITE, (1 bsl 1)). +-define(ERL_NIF_SELECT_STOP, (1 bsl 2)). + +-define(ERL_NIF_SELECT_STOP_CALLED, (1 bsl 0)). +-define(ERL_NIF_SELECT_STOP_SCHEDULED, (1 bsl 1)). +-define(ERL_NIF_SELECT_INVALID_EVENT, (1 bsl 2)). +-define(ERL_NIF_SELECT_FAILED, (1 bsl 3)). + + +select(Config) when is_list(Config) -> + ensure_lib_loaded(Config), + + Ref = make_ref(), + Ref2 = make_ref(), + {{R, R_ptr}, {W, W_ptr}} = pipe_nif(), + ok = write_nif(W, <<"hej">>), + <<"hej">> = read_nif(R, 3), + + %% Wait for read + eagain = read_nif(R, 3), + 0 = select_nif(R,?ERL_NIF_SELECT_READ,R,null,Ref), + [] = flush(0), + ok = write_nif(W, <<"hej">>), + [{select, R, Ref, ready_input}] = flush(), + 0 = select_nif(R,?ERL_NIF_SELECT_READ,R,self(),Ref2), + [{select, R, Ref2, ready_input}] = flush(), + Papa = self(), + Pid = spawn_link(fun() -> + [{select, R, Ref, ready_input}] = flush(), + Papa ! {self(), done} + end), + 0 = select_nif(R,?ERL_NIF_SELECT_READ,R,Pid,Ref), + {Pid, done} = receive_any(1000), + <<"hej">> = read_nif(R, 3), + + %% Wait for write + Written = write_full(W, $a), + 0 = select_nif(W,?ERL_NIF_SELECT_WRITE,W,self(),Ref), + [] = flush(0), + Written = read_nif(R,byte_size(Written)), + [{select, W, Ref, ready_output}] = flush(), + + %% Close write and wait for EOF + eagain = read_nif(R, 1), + check_stop_ret(select_nif(W,?ERL_NIF_SELECT_STOP,W,null,Ref)), + [{fd_resource_stop, W_ptr, _}] = flush(), + {1, {W_ptr,_}} = last_fd_stop_call(), + true = is_closed_nif(W), + [] = flush(0), + 0 = select_nif(R,?ERL_NIF_SELECT_READ,R,self(),Ref), + [{select, R, Ref, ready_input}] = flush(), + eof = read_nif(R,1), + + check_stop_ret(select_nif(R,?ERL_NIF_SELECT_STOP,R,null,Ref)), + [{fd_resource_stop, R_ptr, _}] = flush(), + {1, {R_ptr,_}} = last_fd_stop_call(), + true = is_closed_nif(R), + + select_2(Config). + +select_2(Config) -> + erlang:garbage_collect(), + {_,_,2} = last_resource_dtor_call(), + + Ref1 = make_ref(), + Ref2 = make_ref(), + {{R, R_ptr}, {W, W_ptr}} = pipe_nif(), + + %% Change ref + eagain = read_nif(R, 1), + 0 = select_nif(R,?ERL_NIF_SELECT_READ,R,null,Ref1), + 0 = select_nif(R,?ERL_NIF_SELECT_READ,R,self(),Ref2), + + [] = flush(0), + ok = write_nif(W, <<"hej">>), + [{select, R, Ref2, ready_input}] = flush(), + <<"hej">> = read_nif(R, 3), + + %% Change pid + eagain = read_nif(R, 1), + 0 = select_nif(R,?ERL_NIF_SELECT_READ,R,null,Ref1), + Papa = self(), + spawn_link(fun() -> + 0 = select_nif(R,?ERL_NIF_SELECT_READ,R,null,Ref1), + [] = flush(0), + Papa ! sync, + [{select, R, Ref1, ready_input}] = flush(), + <<"hej">> = read_nif(R, 3), + Papa ! done + end), + sync = receive_any(), + ok = write_nif(W, <<"hej">>), + done = receive_any(), + [] = flush(0), + + check_stop_ret(select_nif(R,?ERL_NIF_SELECT_STOP,R,null,Ref1)), + [{fd_resource_stop, R_ptr, _}] = flush(), + {1, {R_ptr,_}} = last_fd_stop_call(), + true = is_closed_nif(R), + + %% Stop without previous read/write select + ?ERL_NIF_SELECT_STOP_CALLED = select_nif(W,?ERL_NIF_SELECT_STOP,W,null,Ref1), + [{fd_resource_stop, W_ptr, 1}] = flush(), + {1, {W_ptr,1}} = last_fd_stop_call(), + true = is_closed_nif(W), + + select_3(Config). + +select_3(_Config) -> + erlang:garbage_collect(), + {_,_,2} = last_resource_dtor_call(), + ok. + +check_stop_ret(?ERL_NIF_SELECT_STOP_CALLED) -> ok; +check_stop_ret(?ERL_NIF_SELECT_STOP_SCHEDULED) -> ok. + +write_full(W, C) -> + write_full(W, C, <<>>). +write_full(W, C, Acc) -> + case write_nif(W, <<C>>) of + ok -> + write_full(W, (C+1) band 255, <<Acc/binary, C>>); + {eagain,0} -> + Acc + end. + +%% Basic monitoring of one process that terminates +monitor_process_a(Config) -> + ensure_lib_loaded(Config), + + F = fun(Terminator, UseMsgEnv) -> + Pid = spawn(fun() -> + receive + {exit, Arg} -> exit(Arg); + return -> ok; + BadMatch -> goodmatch = BadMatch + end + end), + R_ptr = alloc_monitor_resource_nif(), + {0, Mon1} = monitor_process_nif(R_ptr, Pid, UseMsgEnv, self()), + [R_ptr] = monitored_by(Pid), + Terminator(Pid), + [{monitor_resource_down, R_ptr, Pid, Mon2}] = flush(), + 0 = compare_monitors_nif(Mon1, Mon2), + [] = last_resource_dtor_call(), + ok = release_resource(R_ptr), + {R_ptr, _, 1} = last_resource_dtor_call() + end, + + T1 = fun(Pid) -> Pid ! {exit, 17} end, + T2 = fun(Pid) -> Pid ! return end, + T3 = fun(Pid) -> Pid ! badmatch end, + T4 = fun(Pid) -> exit(Pid, 18) end, + + [F(T, UME) || T <- [T1,T2,T3,T4], UME <- [true, false]], + + ok. + +%% Test auto-demonitoring at resource destruction +monitor_process_b(Config) -> + ensure_lib_loaded(Config), + + monitor_process_b_do(false), + case erlang:system_info(threads) of + true -> monitor_process_b_do(true); + false -> ok + end, + ok. + + +monitor_process_b_do(FromThread) -> + Pid = spawn_link(fun() -> + receive + return -> ok + end + end), + R_ptr = alloc_monitor_resource_nif(), + {0,_} = monitor_process_nif(R_ptr, Pid, true, self()), + [R_ptr] = monitored_by(Pid), + case FromThread of + false -> ok = release_resource(R_ptr); + true -> ok = release_resource_from_thread(R_ptr) + end, + [] = flush(0), + {R_ptr, _, 1} = last_resource_dtor_call(), + [] = monitored_by(Pid), + Pid ! return, + ok. + +%% Test termination of monitored process holding last resource ref +monitor_process_c(Config) -> + ensure_lib_loaded(Config), + + Papa = self(), + Pid = spawn_link(fun() -> + R_ptr = alloc_monitor_resource_nif(), + {0,Mon} = monitor_process_nif(R_ptr, self(), true, Papa), + [R_ptr] = monitored_by(self()), + put(store, make_resource(R_ptr)), + ok = release_resource(R_ptr), + [] = last_resource_dtor_call(), + Papa ! {self(), done, R_ptr, Mon}, + exit + end), + [{Pid, done, R_ptr, Mon1}, + {monitor_resource_down, R_ptr, Pid, Mon2}] = flush(2), + compare_monitors_nif(Mon1, Mon2), + {R_ptr, _, 1} = last_resource_dtor_call(), + ok. + +%% Test race of resource dtor called when monitored process is exiting +monitor_process_d(Config) -> + ensure_lib_loaded(Config), + + Papa = self(), + {Target,TRef} = spawn_monitor(fun() -> + nothing = receive_any() + end), + + R_ptr = alloc_monitor_resource_nif(), + {0,_} = monitor_process_nif(R_ptr, Target, true, self()), + [Papa, R_ptr] = monitored_by(Target), + + exit(Target, die), + ok = release_resource(R_ptr), + + [{'DOWN', TRef, process, Target, die}] = flush(), %% no monitor_resource_down + {R_ptr, _, 1} = last_resource_dtor_call(), + + ok. + +%% Test basic demonitoring +demonitor_process(Config) -> + ensure_lib_loaded(Config), + + Pid = spawn_link(fun() -> + receive + return -> ok + end + end), + R_ptr = alloc_monitor_resource_nif(), + {0,MonBin1} = monitor_process_nif(R_ptr, Pid, true, self()), + [R_ptr] = monitored_by(Pid), + {0,MonBin2} = monitor_process_nif(R_ptr, Pid, true, self()), + [R_ptr, R_ptr] = monitored_by(Pid), + 0 = demonitor_process_nif(R_ptr, MonBin1), + [R_ptr] = monitored_by(Pid), + 1 = demonitor_process_nif(R_ptr, MonBin1), + 0 = demonitor_process_nif(R_ptr, MonBin2), + [] = monitored_by(Pid), + 1 = demonitor_process_nif(R_ptr, MonBin2), + + ok = release_resource(R_ptr), + [] = flush(0), + {R_ptr, _, 1} = last_resource_dtor_call(), + [] = monitored_by(Pid), + Pid ! return, + ok. + + +monitored_by(Pid) -> + {monitored_by, List0} = process_info(Pid, monitored_by), + List1 = lists:map(fun(E) when ?is_resource(E) -> + {Ptr, _} = get_resource(monitor_resource_type, E), + Ptr; + (E) -> E + end, + List0), + erlang:garbage_collect(), + lists:sort(List1). + +-define(FRENZY_RAND_BITS, 25). + +%% Exercise monitoring from NIF resources by randomly +%% create/destruct processes, resources and monitors. +monitor_frenzy(Config) -> + ensure_lib_loaded(Config), + + Procs1 = processes(), + io:format("~p processes before: ~p\n", [length(Procs1), Procs1]), + + %% Spawn first worker process + Master = self(), + spawn_link(fun() -> + SelfPix = monitor_frenzy_nif(init, ?FRENZY_RAND_BITS, 0, 0), + unlink(Master), + frenzy(SelfPix, {undefined, []}) + end), + receive after 5*1000 -> ok end, + + io:format("stats = ~p\n", [monitor_frenzy_nif(stats, 0, 0, 0)]), + + Pids = monitor_frenzy_nif(stop, 0, 0, 0), + io:format("stats = ~p\n", [monitor_frenzy_nif(stats, 0, 0, 0)]), + + lists:foreach(fun(P) -> + MRef = monitor(process, P), + exit(P, stop), + {'DOWN', MRef, process, P, _} = receive_any() + end, + Pids), + + io:format("stats = ~p\n", [monitor_frenzy_nif(stats, 0, 0, 0)]), + + Procs2 = processes(), + io:format("~p processes after: ~p\n", [length(Procs2), Procs2]), + ok. + + +frenzy(_SelfPix, done) -> + ok; +frenzy(SelfPix, State0) -> + Rnd = rand:uniform(1 bsl (?FRENZY_RAND_BITS+2)) - 1, + Op = Rnd band 3, + State1 = frenzy_do_op(SelfPix, Op, (Rnd bsr 2), State0), + frenzy(SelfPix, State1). + +frenzy_do_op(SelfPix, Op, Rnd, {Pid0,RBins}=State0) -> + case Op of + 0 -> % add/remove process + Papa = self(), + NewPid = case Pid0 of + undefined -> % Prepare new process to be added + spawn(fun() -> + MRef = monitor(process, Papa), + case receive_any() of + {go, MyPix, MyState} -> + demonitor(MRef, [flush]), + frenzy(MyPix, MyState); + {'DOWN', MRef, process, Papa, _} -> + ok + end + end); + _ -> + Pid0 + end, + case monitor_frenzy_nif(Op, Rnd, SelfPix, NewPid) of + NewPix when is_integer(NewPix) -> + NewPid ! {go, NewPix, {undefined, []}}, + {undefined, RBins}; + ExitPid when is_pid(ExitPid) -> + false = (ExitPid =:= self()), + exit(ExitPid,die), + {NewPid, RBins}; + done -> + done + end; + + 3 -> + %% Try provoke revival-race of resource from magic ref external format + _ = [binary_to_term(B) || B <- RBins], + {Pid0, []}; + _ -> + case monitor_frenzy_nif(Op, Rnd, SelfPix, undefined) of + Rsrc when ?is_resource(Rsrc) -> + %% Store resource in ext format only, for later revival + State1 = {Pid0, [term_to_binary(Rsrc) | RBins]}, + gc_and_return(State1); + ok -> State0; + 0 -> State0; + 1 -> State0; + done -> done + end + end. + +gc_and_return(RetVal) -> + erlang:garbage_collect(), + RetVal. + +hipe(Config) when is_list(Config) -> + Data = proplists:get_value(data_dir, Config), + Priv = proplists:get_value(priv_dir, Config), + Src = filename:join(Data, "hipe_compiled"), + {ok,hipe_compiled} = c:c(Src, [{outdir,Priv},native]), + true = code:is_module_native(hipe_compiled), + {error, {notsup,_}} = hipe_compiled:try_load_nif(), + true = code:delete(hipe_compiled), + false = code:purge(hipe_compiled), + ok. + %% Test NIF building heap fragments heap_frag(Config) when is_list(Config) -> @@ -655,6 +1101,7 @@ maps(Config) when is_list(Config) -> {1, M2} = make_map_remove_nif(M2, "key3"), {0, undefined} = make_map_remove_nif(self(), key), + verify_tmpmem(TmpMem), ok. %% Test macros enif_make_list<N> and enif_make_tuple<N> @@ -714,7 +1161,7 @@ resource_hugo_do(Type) -> HugoBin = <<"Hugo Hacker">>, HugoPtr = alloc_resource(Type, HugoBin), Hugo = make_resource(HugoPtr), - <<>> = Hugo, + true = is_reference(Hugo), release_resource(HugoPtr), erlang:garbage_collect(), {HugoPtr,HugoBin} = get_resource(Type,Hugo), @@ -748,7 +1195,7 @@ resource_otto_do(Type) -> OttoBin = <<"Otto Ordonnans">>, OttoPtr = alloc_resource(Type, OttoBin), Otto = make_resource(OttoPtr), - <<>> = Otto, + true = is_reference(Otto), %% forget resource term but keep referenced by NIF {OttoPtr, OttoBin}. @@ -771,8 +1218,9 @@ resource_new_do2(Type) -> BinB = <<"NewB">>, ResA = make_new_resource(Type, BinA), ResB = make_new_resource(Type, BinB), - <<>> = ResA, - <<>> = ResB, + true = is_reference(ResA), + true = is_reference(ResB), + true = (ResA /= ResB), {PtrA,BinA} = get_resource(Type, ResA), {PtrB,BinB} = get_resource(Type, ResB), true = (PtrA =/= PtrB), @@ -828,7 +1276,7 @@ resource_binary_do() -> -define(RT_CREATE,1). -define(RT_TAKEOVER,2). -%% Test resource takeover by module reload and upgrade +%% Test resource takeover by module upgrade resource_takeover(Config) when is_list(Config) -> TmpMem = tmpmem(), ensure_lib_loaded(Config), @@ -893,6 +1341,7 @@ resource_takeover(Config) when is_list(Config) -> ok = forget_resource(NGX1), ?CHECK([], nif_mod_call_history()), % no dtor + {module,nif_mod} = erlang:load_module(nif_mod,ModBin), ok = nif_mod:load_nif_lib(Config, 2, [{resource_type, 0, ?RT_TAKEOVER, "resource_type_A",resource_dtor_A, ?RT_TAKEOVER}, @@ -911,7 +1360,9 @@ resource_takeover(Config) when is_list(Config) -> {resource_type, 4, ?RT_CREATE, "resource_type_null_goneY",null, ?RT_CREATE} ]), - ?CHECK([{reload,2,1,201}], nif_mod_call_history()), + ?CHECK([{upgrade,2,1,201}], nif_mod_call_history()), + true = erlang:purge_module(nif_mod), + ?CHECK([], nif_mod_call_history()), % BGX2 keeping lib loaded BinA2 = read_resource(0,A2), ok = forget_resource(A2), @@ -924,8 +1375,8 @@ resource_takeover(Config) when is_list(Config) -> ?CHECK([], nif_mod_call_history()), % no dtor ok = forget_resource(BGX2), % calling dtor in orphan library v1 still loaded - ?CHECK([{{resource_dtor_B_v1,BinBGX2},1,6,106}], nif_mod_call_history()), - % How to test that lib v1 is closed here? + ?CHECK([{{resource_dtor_B_v1,BinBGX2},1,6,106}, {unload,1,7,107}], + nif_mod_call_history()), ok = forget_resource(NGX2), ?CHECK([], nif_mod_call_history()), % no dtor @@ -1140,7 +1591,7 @@ resource_takeover(Config) when is_list(Config) -> [{load,1,1,101},{get_priv_data_ptr,1,2,102}] = nif_mod_call_history(), {NA7,BinNA7} = make_resource(0, Holder, "NA7"), - {AN7,BinAN7} = make_resource(1, Holder, "AN7"), + {AN7,_BinAN7} = make_resource(1, Holder, "AN7"), ok = forget_resource(NA7), [{{resource_dtor_A_v1,BinNA7},1,_,_}] = nif_mod_call_history(), @@ -1148,6 +1599,9 @@ resource_takeover(Config) when is_list(Config) -> ok = forget_resource(AN7), [] = nif_mod_call_history(), + true = erlang:delete_module(nif_mod), + true = erlang:purge_module(nif_mod), + true = lists:member(?MODULE, erlang:system_info(taints)), true = lists:member(nif_mod, erlang:system_info(taints)), verify_tmpmem(TmpMem), @@ -1221,11 +1675,19 @@ threading_do(Config) -> ok = tester:load_nif_lib(Config, "basic"), ok = tester:run(), + erlang:load_module(tester,ModBin), + erlang:purge_module(tester), ok = tester:load_nif_lib(Config, "rwlock"), ok = tester:run(), + erlang:load_module(tester,ModBin), + erlang:purge_module(tester), ok = tester:load_nif_lib(Config, "tsd"), - ok = tester:run(). + ok = tester:run(), + + erlang:delete_module(tester), + erlang:purge_module(tester). + %% Test NIF message sending send(Config) when is_list(Config) -> @@ -1513,13 +1975,13 @@ send3_new_state(State, Blob) -> neg(Config) when is_list(Config) -> TmpMem = tmpmem(), {'EXIT',{badarg,_}} = (catch erlang:load_nif(badarg, 0)), - {error,{load_failed,_}} = erlang:load_nif("pink_unicorn", 0), Data = proplists:get_value(data_dir, Config), File = filename:join(Data, "nif_mod"), {ok,nif_mod,Bin} = compile:file(File, [binary,return_errors]), {module,nif_mod} = erlang:load_module(nif_mod,Bin), + {error,{load_failed,_}} = nif_mod:load_nif_lib(Config, 0), {error,{bad_lib,_}} = nif_mod:load_nif_lib(Config, no_init), verify_tmpmem(TmpMem), ok. @@ -1620,7 +2082,7 @@ otp_9828(Config) -> ensure_lib_loaded(Config, 1), otp_9828_loop(<<"I'm alive!">>, 1000). -otp_9828_loop(Bin, 0) -> +otp_9828_loop(_Bin, 0) -> ok; otp_9828_loop(Bin, Val) -> WrtBin = <<Bin/binary, Val:32>>, @@ -1640,7 +2102,8 @@ consume_timeslice(Config) when is_list(Config) -> end. consume_timeslice_test(Config) when is_list(Config) -> - CONTEXT_REDS = 2000, + ensure_lib_loaded(Config), + CONTEXT_REDS = 4000, Me = self(), Go = make_ref(), RedDiff = make_ref(), @@ -1716,7 +2179,7 @@ consume_timeslice_test(Config) when is_list(Config) -> io:format("Reductions = ~p~n", [Reductions]), ok; {RedDiff, Reductions} -> - ct:fail({unexpected_reduction_count, Reductions}) + ct:fail({unexpected_reduction_count, Reductions, ExpReds}) end, none = next_msg(P), @@ -1861,6 +2324,25 @@ call(Pid,Cmd) -> receive_any() -> receive M -> M end. +receive_any(Timeout) -> + receive M -> M + after Timeout -> timeout end. + +flush() -> + flush(1). + +flush(0) -> + flush(0, 10); % don't waste too much time waiting for nothing +flush(N) -> + flush(N, 1000). + +flush(N, Timeout) -> + receive M -> + [M | flush(N-1)] + after Timeout -> + [] + end. + repeat(0, _, Arg) -> Arg; repeat(N, Fun, Arg0) -> @@ -1870,7 +2352,8 @@ check(Exp,Got,Line) -> case Got of Exp -> Exp; _ -> - io:format("CHECK at ~p: Expected ~p but got ~p\n",[Line,Exp,Got]), + io:format("CHECK at line ~p\nExpected: ~p\nGot : ~p\n", + [Line,Exp,Got]), Got end. @@ -1891,7 +2374,7 @@ nif_raise_exceptions(NifFunc) -> -define(ERL_NIF_TIME_ERROR, -9223372036854775808). -define(TIME_UNITS, [second, millisecond, microsecond, nanosecond]). -nif_monotonic_time(Config) -> +nif_monotonic_time(_Config) -> ?ERL_NIF_TIME_ERROR = monotonic_time(invalid_time_unit), mtime_loop(1000000). @@ -1916,7 +2399,7 @@ chk_mtime([TU|TUs]) -> end, chk_mtime(TUs). -nif_time_offset(Config) -> +nif_time_offset(_Config) -> ?ERL_NIF_TIME_ERROR = time_offset(invalid_time_unit), toffs_loop(1000000). @@ -1954,7 +2437,7 @@ chk_toffs([TU|TUs]) -> end, chk_toffs(TUs). -nif_convert_time_unit(Config) -> +nif_convert_time_unit(_Config) -> ?ERL_NIF_TIME_ERROR = convert_time_unit(0, second, invalid_time_unit), ?ERL_NIF_TIME_ERROR = convert_time_unit(0, invalid_time_unit, second), ?ERL_NIF_TIME_ERROR = convert_time_unit(0, invalid_time_unit, invalid_time_unit), @@ -2111,16 +2594,23 @@ nif_term_to_binary(Config) -> nif_binary_to_term(Config) -> ensure_lib_loaded(Config), - T = {#{ok => nok}, <<0:8096>>, lists:seq(1,100)}, + BigMap = maps:from_list([{I,-I} || I <- lists:seq(1,100)]), + [nif_binary_to_term_do(T) + || T <- [{#{ok => nok}, <<0:8096>>, lists:seq(1,100)}, + atom, 42, self(), BigMap]], + ok. + +nif_binary_to_term_do(T) -> + Dummy = [true|false], Bin = term_to_binary(T), Len = byte_size(Bin), - {Len,T} = binary_to_term_nif(Bin, undefined, 0), + {Len,T,Dummy} = binary_to_term_nif(Bin, undefined, 0), Len = binary_to_term_nif(Bin, self(), 0), - T = receive M -> M after 1000 -> timeout end, + {T,Dummy} = receive M -> M after 1000 -> timeout end, - {Len, T} = binary_to_term_nif(Bin, undefined, ?ERL_NIF_BIN2TERM_SAFE), + {Len,T,Dummy} = binary_to_term_nif(Bin, undefined, ?ERL_NIF_BIN2TERM_SAFE), false = binary_to_term_nif(<<131,100,0,14,"undefined_atom">>, - undefined, ?ERL_NIF_BIN2TERM_SAFE), + undefined, ?ERL_NIF_BIN2TERM_SAFE), false = binary_to_term_nif(Bin, undefined, 1), ok. @@ -2161,6 +2651,521 @@ nif_snprintf(Config) -> <<"{{hello,world,-33},",0>> = format_term_nif(20,{{hello,world, -33}, 3.14, self()}), ok. +nif_internal_hash(Config) -> + ensure_lib_loaded(Config), + HashValueBitSize = nif_hash_result_bitsize(internal), + Terms = unique([random_term() || _ <- lists:seq(1, 500)]), + HashValues = [hash_nif(internal, Term, 0) || Term <- Terms], + test_bit_distribution_fitness(HashValues, HashValueBitSize). + +nif_internal_hash_salted(Config) -> + ensure_lib_loaded(Config), + test_salted_nif_hash(internal). + +nif_phash2(Config) -> + ensure_lib_loaded(Config), + HashValueBitSize = nif_hash_result_bitsize(phash2), + Terms = unique([random_term() || _ <- lists:seq(1, 500)]), + HashValues = + lists:map( + fun (Term) -> + HashValue = erlang:phash2(Term), + Salt = random_uint32(), % phash2 should ignore salt + NifHashValue = hash_nif(phash2, Term, Salt), + (HashValue =:= NifHashValue + orelse ct:fail("Expected: ~p\nActual: ~p", + [HashValue, NifHashValue])), + HashValue + end, + Terms), + test_bit_distribution_fitness(HashValues, HashValueBitSize). + +test_salted_nif_hash(HashType) -> + HashValueBitSize = nif_hash_result_bitsize(HashType), + Terms = unique([random_term() || _ <- lists:seq(1, 500)]), + Salts = unique([random_uint32() || _ <- lists:seq(1, 50)]), + {HashValuesPerSalt, HashValuesPerTerm} = + lists:mapfoldl( + fun (Salt, Acc) -> + {HashValues, NewAcc} = + lists:mapfoldl( + fun (Term, AccB) -> + HashValue = hash_nif(HashType, Term, Salt), + NewAccB = dict:append(Term, HashValue, AccB), + {HashValue, NewAccB} + end, + Acc, + Terms), + {{Salt, HashValues}, NewAcc} + end, + dict:new(), + Salts), + + % Test per-salt hash distribution of different terms + lists:foreach( + fun ({_Salt, HashValues}) -> + test_bit_distribution_fitness(HashValues, HashValueBitSize) + end, + HashValuesPerSalt), + + % Test per-term hash distribution of different salts + dict:fold( + fun (_Term, HashValues, Acc) -> + test_bit_distribution_fitness(HashValues, HashValueBitSize), + Acc + end, + ok, + HashValuesPerTerm). + +test_bit_distribution_fitness(Integers, BitSize) -> + MaxInteger = (1 bsl BitSize) - 1, + OnesPerBit = + lists:foldl( + fun (Integer, Acc) when Integer >= 0, Integer =< MaxInteger -> + lists:foldl( + fun (BitIndex, AccB) -> + BitValue = (Integer band (1 bsl BitIndex)) bsr BitIndex, + orddict:update_counter(BitIndex, BitValue, AccB) + end, + Acc, + lists:seq(0, BitSize - 1)) + end, + orddict:new(), + Integers), + + N = length(Integers), + ExpectedNrOfOnes = N div 2, + %% ExpectedNrOfOnes should have a binomial distribution + %% with a standard deviation as: + ExpectedStdDev = math:sqrt(N) / 2, + %% which can be approximated as a normal distribution + %% where we allow a deviation of 6 std.devs + %% for a fail probability of 0.000000002: + MaxStdDevs = 6, + + FailureText = + orddict:fold( + fun (BitIndex, NrOfOnes, Acc) -> + Deviation = abs(NrOfOnes - ExpectedNrOfOnes) / ExpectedStdDev, + case Deviation >= MaxStdDevs of + false -> + Acc; + true -> + [Acc, + io_lib:format( + "Unreasonable deviation on number of set bits (i=~p): " + "expected ~p, got ~p (# std.dev ~.3f > ~p)~n", + [BitIndex, ExpectedNrOfOnes, NrOfOnes, Deviation, MaxStdDevs])] + end + end, + [], + OnesPerBit), + + (FailureText =:= [] orelse ct:fail(FailureText)). + +nif_hash_result_bitsize(internal) -> 32; +nif_hash_result_bitsize(phash2) -> 27. + +unique(List) -> + lists:usort(List). + +random_uint32() -> + rand:uniform(1 bsl 32) - 1. + +random_term() -> + case rand:uniform(6) of + 1 -> rand:uniform(1 bsl 27) - 1; % small + 2 -> (1 bsl 27) + rand:uniform(1 bsl 128); % big + 3 -> random_sign() * (rand:uniform() * (1 bsl 53)); % float + 4 -> random_binary(); + 5 -> random_pid(); + 6 -> + Length = rand:uniform(10), + List = [random_term() || _ <- lists:seq(1, Length)], + case rand:uniform(2) of + 1 -> + List; + 2 -> + list_to_tuple(List) + end + end. + +random_sign() -> + case rand:uniform(2) of + 1 -> -1.0; + 2 -> 1.0 + end. + +random_binary() -> + list_to_binary(random_bytes(rand:uniform(32) - 1)). + +random_bytes(0) -> + []; +random_bytes(N) when N > 0 -> + [rand:uniform(256) - 1 | random_bytes(N - 1)]. + +random_pid() -> + Processes = erlang:processes(), + lists:nth(rand:uniform(length(Processes)), Processes). + +%% Test enif_whereis_... + +nif_whereis(Config) when is_list(Config) -> + ensure_lib_loaded(Config), + + RegName = 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) -> + ensure_lib_loaded(Config), + + %% try to be at least a little asymetric + NProcs = trunc(3.7 * erlang:system_info(schedulers)), + NSeq = lists:seq(1, NProcs), + Names = [list_to_atom("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 + repeat(10, fun(_) -> + [P ! {Ref, send_proc} || {_, P, _} <- Procs] + end, void), + + %% each gets forwarded through two processes + repeat(10, fun(_) -> + true = lists:all(RecvNum, NSeq), + true = lists:all(RecvNum, NSeq) + end, void), + + %% tell them all to 'quit' by name + [N ! {Ref, quit} || {N, _, _} <- Procs], + true = lists:all(RecvDown, Procs), + true = lists:all(NotReg, Names), + ok. + +nif_whereis_threaded(Config) when is_list(Config) -> + ensure_lib_loaded(Config), + + RegName = nif_whereis_test_threaded, + undefined = erlang:whereis(RegName), + + Ref = make_ref(), + {Pid, Mon} = spawn_monitor(?MODULE, nif_whereis_proxy, [Ref]), + true = register(RegName, Pid), + + {ok, ProcThr} = whereis_thd_lookup(pid, RegName), + {ok, Pid} = whereis_thd_result(ProcThr), + + Pid ! {Ref, quit}, + ok = receive {'DOWN', Mon, process, Pid, normal} -> ok end, + + Port = open_port({spawn, echo_drv}, [eof]), + true = register(RegName, Port), + + {ok, PortThr} = whereis_thd_lookup(port, RegName), + {ok, Port} = whereis_thd_result(PortThr), + + port_close(Port), + 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. +nif_ioq(Config) -> + ensure_lib_loaded(Config), + + Script = + [{create, a}, + + %% Test enq of erlang term binary + {enqb, a}, + {enqb, a, 3}, + + %% Test enq of non-erlang term binary + {enqbraw,a}, + {enqbraw,a, 5}, + {peek, a}, + {deq, a, 42}, + + %% Test enqv + {enqv, a, 2, 100}, + {deq, a, all}, + + %% This skips all elements but one in the iolist + {enqv, a, 5, iolist_size(nif_ioq_payload(5)) - 1}, + {peek, a}, + + %% Ensure that enqueued refc binaries are intact after a roundtrip. + %% + %% This test and the ones immediately following it does not go through + %% erlang:iolist_to_iovec/1 + {enqv, a, [nif_ioq_payload(refcbin) || _ <- lists:seq(1,20)], 0}, + {peek, a}, + + %% ... heap binaries + {enqv, a, [nif_ioq_payload(heapbin) || _ <- lists:seq(1,20)], 0}, + {peek, a}, + + %% ... plain sub-binaries + {enqv, a, [nif_ioq_payload(subbin) || _ <- lists:seq(1,20)], 0}, + {peek, a}, + + %% ... unaligned binaries + {enqv, a, [nif_ioq_payload(unaligned_bin) || _ <- lists:seq(1,20)], 0}, + {peek, a}, + + %% Enq stuff to destroy with data in queue + {enqv, a, 2, 100}, + {destroy,a}, + + %% Test destroy of new queue + {create, a}, + {destroy,a} + ], + + nif_ioq_run(Script), + + %% Test that only enif_inspect_as_vec works + Payload = nif_ioq_payload(5), + PayloadBin = iolist_to_binary(Payload), + + [begin + PayloadBin = iolist_to_binary(ioq_nif(inspect,Payload,Stack,Env)), + <<>> = iolist_to_binary(ioq_nif(inspect,[],Stack,Env)) + end || Stack <- [no_stack, use_stack], Env <- [use_env, no_env]], + + %% Test error cases + + Q = ioq_nif(create), + + {'EXIT', {badarg, _}} = (catch ioq_nif(deq, Q, 1)), + {'EXIT', {badarg, _}} = (catch ioq_nif(enqv, Q, 1, 1234)), + + {'EXIT', {badarg, _}} = (catch ioq_nif(enqv, Q, [atom_in_list], 0)), + {'EXIT', {badarg, _}} = (catch ioq_nif(enqv, Q, [make_ref()], 0)), + {'EXIT', {badarg, _}} = (catch ioq_nif(enqv, Q, [256], 0)), + {'EXIT', {badarg, _}} = (catch ioq_nif(enqv, Q, [-1], 0)), + {'EXIT', {badarg, _}} = (catch ioq_nif(enqv, Q, [#{}], 0)), + {'EXIT', {badarg, _}} = (catch ioq_nif(enqv, Q, [1 bsl 64], 0)), + {'EXIT', {badarg, _}} = (catch ioq_nif(enqv, Q, [{tuple}], 0)), + + {'EXIT', {badarg, _}} = (catch ioq_nif(inspect, [atom_in_list], use_stack)), + {'EXIT', {badarg, _}} = (catch ioq_nif(inspect, [make_ref()], no_stack)), + {'EXIT', {badarg, _}} = (catch ioq_nif(inspect, [256], use_stack)), + {'EXIT', {badarg, _}} = (catch ioq_nif(inspect, [-1], no_stack)), + {'EXIT', {badarg, _}} = (catch ioq_nif(inspect, [#{}], use_stack)), + {'EXIT', {badarg, _}} = (catch ioq_nif(inspect, [1 bsl 64], no_stack)), + {'EXIT', {badarg, _}} = (catch ioq_nif(inspect, [{tuple}], use_stack)), + {'EXIT', {badarg, _}} = (catch ioq_nif(inspect, <<"binary">>, use_stack)), + + ioq_nif(destroy, Q), + + %% Test that the example in the docs works + ExampleQ = ioq_nif(create), + true = ioq_nif(example, ExampleQ, nif_ioq_payload(5)), + ioq_nif(destroy, ExampleQ), + + ok. + + +nif_ioq_run(Script) -> + nif_ioq_run(Script, #{}). + +nif_ioq_run([{Action, Name}|T], State) + when Action =:= enqb; Action =:= enqbraw -> + nif_ioq_run([{Action, Name, heapbin}|T], State); +nif_ioq_run([{Action, Name, Skip}|T], State) + when Action =:= enqb, is_integer(Skip); + Action =:= enqbraw, is_integer(Skip) -> + nif_ioq_run([{Action, Name, heapbin, Skip}|T], State); +nif_ioq_run([{Action, Name, N}|T], State) + when Action =:= enqv; Action =:= enqb; Action =:= enqbraw -> + nif_ioq_run([{Action, Name, N, 0}|T], State); +nif_ioq_run([{Action, Name, N, Skip}|T], State) + when Action =:= enqv; Action =:= enqb; Action =:= enqbraw -> + + #{ q := IOQ, b := B } = Q = maps:get(Name, State), + true = ioq_nif(size, IOQ) == iolist_size(B), + + %% Sanitize the log output a bit so that it doesn't become too large. + H = {Action, Name, try iolist_size(N) of Sz -> Sz catch _:_ -> N end, Skip}, + ct:log("~p", [H]), + + Data = nif_ioq_payload(N), + ioq_nif(Action, IOQ, Data, Skip), + + <<_:Skip/binary, SkippedData/binary>> = iolist_to_binary(Data), + + true = ioq_nif(size, IOQ) == (iolist_size([B|SkippedData])), + + nif_ioq_run(T, State#{ Name := Q#{ b := [B|SkippedData]}}); +nif_ioq_run([{peek, Name} = H|T], State) -> + #{ q := IOQ, b := B } = maps:get(Name, State), + true = ioq_nif(size, IOQ) == iolist_size(B), + + ct:log("~p", [H]), + + Data = ioq_nif(peek, IOQ, ioq_nif(size, IOQ)), + + true = iolist_to_binary(B) == iolist_to_binary(Data), + nif_ioq_run(T, State); +nif_ioq_run([{deq, Name, all}|T], State) -> + #{ q := IOQ, b := B } = maps:get(Name, State), + Size = ioq_nif(size, IOQ), + true = Size == iolist_size(B), + nif_ioq_run([{deq, Name, Size}|T], State); +nif_ioq_run([{deq, Name, N} = H|T], State) -> + #{ q := IOQ, b := B } = Q = maps:get(Name, State), + true = ioq_nif(size, IOQ) == iolist_size(B), + + ct:log("~p", [H]), + + <<_:N/binary,Remain/binary>> = iolist_to_binary(B), + NewQ = Q#{ b := Remain }, + + Sz = ioq_nif(deq, IOQ, N), + + true = Sz == iolist_size(Remain), + true = ioq_nif(size, IOQ) == iolist_size(Remain), + + nif_ioq_run(T, State#{ Name := NewQ }); +nif_ioq_run([{create, Name} = H|T], State) -> + ct:log("~p", [H]), + nif_ioq_run(T, State#{ Name => #{ q => ioq_nif(create), b => [] } }); +nif_ioq_run([{destroy, Name} = H|T], State) -> + #{ q := IOQ, b := B } = maps:get(Name, State), + true = ioq_nif(size, IOQ) == iolist_size(B), + + ct:log("~p", [H]), + + ioq_nif(destroy, IOQ), + + nif_ioq_run(T, maps:remove(Name, State)); +nif_ioq_run([], State) -> + State. + +nif_ioq_payload(N) when is_integer(N) -> + Tail = if N > 3 -> nif_ioq_payload(N-3); true -> [] end, + Head = element(1, lists:split(N,[nif_ioq_payload(subbin), + nif_ioq_payload(heapbin), + nif_ioq_payload(refcbin), + nif_ioq_payload(unaligned_bin) | Tail])), + erlang:iolist_to_iovec(Head); +nif_ioq_payload(subbin) -> + Bin = nif_ioq_payload(refcbin), + Sz = size(Bin) - 1, + <<_:8,SubBin:Sz/binary,_/bits>> = Bin, + SubBin; +nif_ioq_payload(unaligned_bin) -> + make_unaligned_binary(<< <<I>> || I <- lists:seq(1, 255) >>); +nif_ioq_payload(heapbin) -> + <<"a literal heap binary">>; +nif_ioq_payload(refcbin) -> + iolist_to_binary([lists:seq(1,255) || _ <- lists:seq(1,255)]); +nif_ioq_payload(Else) -> + Else. + +make_unaligned_binary(Bin0) -> + Size = byte_size(Bin0), + <<0:3,Bin:Size/binary,31:5>> = id(<<0:3,Bin0/binary,31:5>>), + Bin. + +id(I) -> I. %% The NIFs: lib_version() -> undefined. @@ -2172,6 +3177,7 @@ type_test() -> ?nif_stub. tuple_2_list(_) -> ?nif_stub. is_identical(_,_) -> ?nif_stub. compare(_,_) -> ?nif_stub. +hash_nif(_Type, _Term, _Salt) -> ?nif_stub. many_args_100(_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_) -> ?nif_stub. clone_bin(_) -> ?nif_stub. make_sub_bin(_,_,_) -> ?nif_stub. @@ -2185,6 +3191,7 @@ alloc_resource(_,_) -> ?nif_stub. make_resource(_) -> ?nif_stub. get_resource(_,_) -> ?nif_stub. release_resource(_) -> ?nif_stub. +release_resource_from_thread(_) -> ?nif_stub. last_resource_dtor_call() -> ?nif_stub. make_new_resource(_,_) -> ?nif_stub. check_is(_,_,_,_,_,_,_,_,_,_,_) -> ?nif_stub. @@ -2223,6 +3230,27 @@ term_to_binary_nif(_, _) -> ?nif_stub. binary_to_term_nif(_, _, _) -> ?nif_stub. port_command_nif(_, _) -> ?nif_stub. format_term_nif(_,_) -> ?nif_stub. +select_nif(_,_,_,_,_) -> ?nif_stub. +pipe_nif() -> ?nif_stub. +write_nif(_,_) -> ?nif_stub. +read_nif(_,_) -> ?nif_stub. +is_closed_nif(_) -> ?nif_stub. +last_fd_stop_call() -> ?nif_stub. +alloc_monitor_resource_nif() -> ?nif_stub. +monitor_process_nif(_,_,_,_) -> ?nif_stub. +demonitor_process_nif(_,_) -> ?nif_stub. +compare_monitors_nif(_,_) -> ?nif_stub. +monitor_frenzy_nif(_,_,_,_) -> ?nif_stub. +ioq_nif(_) -> ?nif_stub. +ioq_nif(_,_) -> ?nif_stub. +ioq_nif(_,_,_) -> ?nif_stub. +ioq_nif(_,_,_,_) -> ?nif_stub. + +%% whereis +whereis_send(_Type,_Name,_Msg) -> ?nif_stub. +whereis_term(_Type,_Name) -> ?nif_stub. +whereis_thd_lookup(_Type,_Name) -> ?nif_stub. +whereis_thd_result(_Thd) -> ?nif_stub. %% maps is_map_nif(_) -> ?nif_stub. |