%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2010-2014. 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.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
-module(nif_SUITE).
%%-define(line_trace,true).
-define(CHECK(Exp,Got), check(Exp,Got,?LINE)).
%%-define(CHECK(Exp,Got), ?line Exp = Got).
-include_lib("common_test/include/ct.hrl").
-export([all/0, suite/0,
init_per_testcase/2, end_per_testcase/2,
basic/1, reload/1, upgrade/1, heap_frag/1,
types/1, many_args/1, binaries/1, get_string/1, get_atom/1,
maps/1,
api_macros/1,
from_array/1, iolist_as_binary/1, resource/1, resource_binary/1,
resource_takeover/1,
threading/1, send/1, send2/1, send3/1, send_threaded/1, neg/1,
is_checks/1,
get_length/1, make_atom/1, make_string/1, reverse_list_test/1,
otp_9828/1,
otp_9668/1, consume_timeslice/1, dirty_nif/1, dirty_nif_send/1,
dirty_nif_exception/1, call_dirty_nif_exception/1, nif_schedule/1,
nif_exception/1, call_nif_exception/1,
nif_nan_and_inf/1, nif_atom_too_long/1,
nif_monotonic_time/1, nif_time_offset/1, nif_convert_time_unit/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)).
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[basic, reload, upgrade, heap_frag, types, many_args,
binaries, get_string, get_atom, maps, api_macros, from_array,
iolist_as_binary, resource, resource_binary,
resource_takeover, threading, send, send2, send3,
send_threaded, neg, is_checks, get_length, make_atom,
make_string,reverse_list_test,
otp_9828,
otp_9668, consume_timeslice,
nif_schedule, dirty_nif, dirty_nif_send, dirty_nif_exception,
nif_exception, nif_nan_and_inf, nif_atom_too_long,
nif_monotonic_time, nif_time_offset, nif_convert_time_unit
].
init_per_testcase(_Case, Config) ->
Config.
end_per_testcase(_Func, _Config) ->
P1 = code:purge(nif_mod),
Del = code:delete(nif_mod),
P2 = code:purge(nif_mod),
io:format("fin purged=~p, deleted=~p and then purged=~p\n",[P1,Del,P2]).
%% Basic smoke test of load_nif and a simple NIF call
basic(Config) when is_list(Config) ->
ensure_lib_loaded(Config),
?line true = (lib_version() =/= undefined),
?line [{load,1,1,101},{lib_version,1,2,102}] = call_history(),
?line [] = call_history(),
?line true = lists:member(?MODULE, erlang:system_info(taints)),
ok.
%% Test reload callback in nif lib
reload(Config) when is_list(Config) ->
TmpMem = tmpmem(),
ensure_lib_loaded(Config),
?line Data = proplists:get_value(data_dir, Config),
?line File = filename:join(Data, "nif_mod"),
?line {ok,nif_mod,Bin} = compile:file(File, [binary,return_errors]),
?line {module,nif_mod} = erlang:load_module(nif_mod,Bin),
?line ok = nif_mod:load_nif_lib(Config, 1),
?line hold_nif_mod_priv_data(nif_mod:get_priv_data_ptr()),
?line [{load,1,1,101},{get_priv_data_ptr,1,2,102}] = nif_mod_call_history(),
?line ok = nif_mod:load_nif_lib(Config, 2),
?line 2 = nif_mod:lib_version(),
?line [{reload,2,1,201},{lib_version,2,2,202}] = nif_mod_call_history(),
?line ok = nif_mod:load_nif_lib(Config, 1),
?line 1 = nif_mod:lib_version(),
?line [{reload,1,1,101},{lib_version,1,2,102}] = nif_mod_call_history(),
?line true = erlang:delete_module(nif_mod),
?line [] = nif_mod_call_history(),
%%?line false= check_process_code(Pid, nif_mod),
?line true = erlang:purge_module(nif_mod),
?line [{unload,1,3,103}] = nif_mod_call_history(),
?line true = lists:member(?MODULE, erlang:system_info(taints)),
?line true = lists:member(nif_mod, erlang:system_info(taints)),
?line verify_tmpmem(TmpMem),
ok.
%% Test upgrade callback in nif lib
upgrade(Config) when is_list(Config) ->
TmpMem = tmpmem(),
ensure_lib_loaded(Config),
?line Data = proplists:get_value(data_dir, Config),
?line File = filename:join(Data, "nif_mod"),
?line {ok,nif_mod,Bin} = compile:file(File, [binary,return_errors]),
?line {module,nif_mod} = erlang:load_module(nif_mod,Bin),
?line ok = nif_mod:load_nif_lib(Config, 1),
?line {Pid,MRef} = nif_mod:start(),
?line 1 = call(Pid,lib_version),
?line hold_nif_mod_priv_data(nif_mod:get_priv_data_ptr()),
?line [{load,1,1,101},{lib_version,1,2,102},{get_priv_data_ptr,1,3,103}] = nif_mod_call_history(),
%% Module upgrade with same lib-version
?line {module,nif_mod} = erlang:load_module(nif_mod,Bin),
?line undefined = nif_mod:lib_version(),
?line 1 = call(Pid,lib_version),
?line [{lib_version,1,4,104}] = nif_mod_call_history(),
?line ok = nif_mod:load_nif_lib(Config, 1),
?line 1 = nif_mod:lib_version(),
?line [{upgrade,1,5,105},{lib_version,1,6,106}] = nif_mod_call_history(),
?line upgraded = call(Pid,upgrade),
?line false = check_process_code(Pid, nif_mod),
?line true = erlang:purge_module(nif_mod),
?line [{unload,1,7,107}] = nif_mod_call_history(),
?line 1 = nif_mod:lib_version(),
?line [{lib_version,1,8,108}] = nif_mod_call_history(),
?line true = erlang:delete_module(nif_mod),
?line [] = nif_mod_call_history(),
?line Pid ! die,
?line {'DOWN', MRef, process, Pid, normal} = receive_any(),
?line false = check_process_code(Pid, nif_mod),
?line true = erlang:purge_module(nif_mod),
?line [{unload,1,9,109}] = nif_mod_call_history(),
%% Module upgrade with different lib version
?line {module,nif_mod} = erlang:load_module(nif_mod,Bin),
?line undefined = nif_mod:lib_version(),
?line {Pid2,MRef2} = nif_mod:start(),
?line undefined = call(Pid2,lib_version),
?line ok = nif_mod:load_nif_lib(Config, 1),
?line hold_nif_mod_priv_data(nif_mod:get_priv_data_ptr()),
?line 1 = call(Pid2,lib_version),
?line [{load,1,1,101},{get_priv_data_ptr,1,2,102},{lib_version,1,3,103}] = nif_mod_call_history(),
?line {module,nif_mod} = erlang:load_module(nif_mod,Bin),
?line undefined = nif_mod:lib_version(),
?line [] = nif_mod_call_history(),
?line 1 = call(Pid2,lib_version),
?line [{lib_version,1,4,104}] = nif_mod_call_history(),
?line ok = nif_mod:load_nif_lib(Config, 2),
?line 2 = nif_mod:lib_version(),
?line [{upgrade,2,1,201},{lib_version,2,2,202}] = nif_mod_call_history(),
?line 1 = call(Pid2,lib_version),
?line [{lib_version,1,5,105}] = nif_mod_call_history(),
?line upgraded = call(Pid2,upgrade),
?line false = check_process_code(Pid2, nif_mod),
?line true = erlang:purge_module(nif_mod),
?line [{unload,1,6,106}] = nif_mod_call_history(),
?line 2 = nif_mod:lib_version(),
?line [{lib_version,2,3,203}] = nif_mod_call_history(),
?line true = erlang:delete_module(nif_mod),
?line [] = nif_mod_call_history(),
?line Pid2 ! die,
?line {'DOWN', MRef2, process, Pid2, normal} = receive_any(),
?line false= check_process_code(Pid2, nif_mod),
?line true = erlang:purge_module(nif_mod),
?line [{unload,2,4,204}] = nif_mod_call_history(),
?line true = lists:member(?MODULE, erlang:system_info(taints)),
?line true = lists:member(nif_mod, erlang:system_info(taints)),
?line verify_tmpmem(TmpMem),
ok.
%% Test NIF building heap fragments
heap_frag(Config) when is_list(Config) ->
TmpMem = tmpmem(),
ensure_lib_loaded(Config),
heap_frag_do(1,1000000),
?line verify_tmpmem(TmpMem),
ok.
heap_frag_do(N, Max) when N > Max ->
ok;
heap_frag_do(N, Max) ->
io:format("Create list of length ~p\n",[N]),
L = lists:seq(1,N),
L = list_seq(N),
heap_frag_do(((N*5) div 4) + 1, Max).
%% Type tests
types(Config) when is_list(Config) ->
TmpMem = tmpmem(),
ensure_lib_loaded(Config),
?line ok = type_test(),
lists:foreach(fun(Tpl) ->
Lst = erlang:tuple_to_list(Tpl),
Lst = tuple_2_list(Tpl)
end,
[{},{ok},{{}},{[],{}},{1,2,3,4,5}]),
Stuff = [[],{},0,0.0,(1 bsl 100),(fun()-> ok end),make_ref(),self()],
[eq_cmp(A,clone(B)) || A<-Stuff, B<-Stuff],
{IntSz, LongSz} = type_sizes(),
UintMax = (1 bsl (IntSz*8)) - 1,
IntMax = UintMax bsr 1,
IntMin = -(IntMax+1),
UlongMax = (1 bsl (LongSz*8)) - 1,
LongMax = UlongMax bsr 1,
LongMin = -(LongMax+1),
Uint64Max = (1 bsl 64) - 1,
Int64Max = Uint64Max bsr 1,
Int64Min = -(Int64Max+1),
Limits = [{IntMin,IntMax},{0,UintMax},{LongMin,LongMax},{0,UlongMax},{Int64Min,Int64Max},{0,Uint64Max}],
io:format("Limits = ~p\n", [Limits]),
lists:foreach(fun(I) ->
R1 = echo_int(I),
%%io:format("echo_int(~p) -> ~p\n", [I, R1]),
R2 = my_echo_int(I, Limits),
?line R1 = R2,
?line true = (R1 =:= R2),
?line true = (R1 == R2)
end, int_list()),
?line verify_tmpmem(TmpMem),
?line true = (compare(-1294536544000, -1178704800000) < 0),
?line true = (compare(-1178704800000, -1294536544000) > 0),
?line true = (compare(-295147905179352825856, -36893488147419103232) < 0),
?line true = (compare(-36893488147419103232, -295147905179352825856) > 0),
?line true = (compare(-29514790517935282585612345678, -36893488147419103232) < 0),
?line true = (compare(-36893488147419103232, -29514790517935282585612345678) > 0),
ok.
int_list() ->
Start = 1 bsl 200,
int_list([Start], -Start).
int_list([N | _]=List, End) when N<End ->
List;
int_list([N | _]=List, End) ->
int_list([N - (1 + (abs(N) div 3)) | List], End).
my_echo_int(I, Limits) ->
lists:map(fun({Min,Max}) ->
if I < Min -> false;
I > Max -> false;
true -> I
end
end, Limits).
clone(X) ->
binary_to_term(term_to_binary(X)).
eq_cmp(A,B) ->
eq_cmp_do(A,B),
eq_cmp_do([A,B],[A,B]),
eq_cmp_do({A,B},{A,B}).
eq_cmp_do(A,B) ->
%%io:format("compare ~p and ~p\n",[A,B]),
Eq = (A =:= B),
?line Eq = is_identical(A,B),
?line Cmp = if
A < B -> -1;
A == B -> 0;
A > B -> 1
end,
?line Cmp = case compare(A,B) of
C when is_integer(C), C < 0 -> -1;
0 -> 0;
C when is_integer(C) -> 1
end,
ok.
%% Test NIF with many arguments
many_args(Config) when is_list(Config) ->
TmpMem = tmpmem(),
?line ensure_lib_loaded(Config ,1),
?line ok = apply(?MODULE,many_args_100,lists:seq(1,100)),
?line ok = many_args_100(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100),
?line verify_tmpmem(TmpMem),
ok.
%% Test NIF binary handling.
binaries(Config) when is_list(Config) ->
TmpMem = tmpmem(),
?line ensure_lib_loaded(Config, 1),
?line RefcBin = list_to_binary(lists:seq(1,255)),
?line RefcBin = clone_bin(RefcBin),
?line HeapBin = list_to_binary(lists:seq(1,20)),
?line HeapBin = clone_bin(HeapBin),
?line <<_:8,Sub1:6/binary,_/binary>> = RefcBin,
?line <<_:8,Sub2:6/binary,_/binary>> = HeapBin,
?line Sub1 = Sub2,
?line Sub1 = clone_bin(Sub1),
?line Sub2 = clone_bin(Sub2),
?line <<_:9,Sub3:6/binary,_/bitstring>> = RefcBin,
?line <<_:9,Sub4:6/binary,_/bitstring>> = HeapBin,
?line Sub3 = Sub4,
?line Sub3 = clone_bin(Sub3),
?line Sub4 = clone_bin(Sub4),
%% When NIFs get bitstring support
%%?line <<_:8,Sub5:27/bitstring,_/bitstring>> = RefcBin,
%%?line <<_:8,Sub6:27/bitstring,_/bitstring>> = HeapBin,
%%?line Sub5 = Sub6,
%%?line Sub5 = clone_bin(Sub5),
%%?line Sub6 = clone_bin(Sub6),
%%?line <<_:9,Sub7:27/bitstring,_/bitstring>> = RefcBin,
%%?line <<_:9,Sub8:27/bitstring,_/bitstring>> = HeapBin,
%%?line Sub7 = Sub8,
%%?line Sub7 = clone_bin(Sub7),
%%?line Sub8 = clone_bin(Sub8),
%%?line <<>> = clone_bin(<<>>),
<<_:8,SubBinA:200/binary,_/binary>> = RefcBin,
<<_:9,SubBinB:200/binary,_/bitstring>> = RefcBin,
<<_:8,SubBinC:17/binary,_/binary>> = HeapBin,
<<_:9,SubBinD:17/binary,_/bitstring>> = HeapBin,
test_make_sub_bin(RefcBin),
test_make_sub_bin(HeapBin),
test_make_sub_bin(SubBinA),
test_make_sub_bin(SubBinB),
test_make_sub_bin(SubBinC),
test_make_sub_bin(SubBinD),
?line verify_tmpmem(TmpMem),
ok.
test_make_sub_bin(Bin) ->
Size = byte_size(Bin),
Rest10 = Size - 10,
Rest1 = Size - 1,
?line Bin = make_sub_bin(Bin, 0, Size),
<<_:10/binary,Sub0:Rest10/binary>> = Bin,
?line Sub0 = make_sub_bin(Bin, 10, Rest10),
<<Sub1:10/binary,_/binary>> = Bin,
?line Sub1 = make_sub_bin(Bin, 0, 10),
<<_:7/binary,Sub2:10/binary,_/binary>> = Bin,
?line Sub2 = make_sub_bin(Bin, 7, 10),
?line <<>> = make_sub_bin(Bin, 0, 0),
?line <<>> = make_sub_bin(Bin, 10, 0),
?line <<>> = make_sub_bin(Bin, Rest1, 0),
?line <<>> = make_sub_bin(Bin, Size, 0),
ok.
%% Test enif_get_string
get_string(Config) when is_list(Config) ->
?line ensure_lib_loaded(Config, 1),
?line {7, <<"hejsan",0,_:3/binary>>} = string_to_bin("hejsan",10),
?line {7, <<"hejsan",0,_>>} = string_to_bin("hejsan",8),
?line {7, <<"hejsan",0>>} = string_to_bin("hejsan",7),
?line {-6, <<"hejsa",0>>} = string_to_bin("hejsan",6),
?line {-5, <<"hejs",0>>} = string_to_bin("hejsan",5),
?line {-1, <<0>>} = string_to_bin("hejsan",1),
?line {0, <<>>} = string_to_bin("hejsan",0),
?line {1, <<0>>} = string_to_bin("",1),
?line {0, <<>>} = string_to_bin("",0),
ok.
%% Test enif_get_atom
get_atom(Config) when is_list(Config) ->
?line ensure_lib_loaded(Config, 1),
?line {7, <<"hejsan",0,_:3/binary>>} = atom_to_bin(hejsan,10),
?line {7, <<"hejsan",0,_>>} = atom_to_bin(hejsan,8),
?line {7, <<"hejsan",0>>} = atom_to_bin(hejsan,7),
?line {0, <<_:6/binary>>} = atom_to_bin(hejsan,6),
?line {0, <<>>} = atom_to_bin(hejsan,0),
?line {1, <<0>>} = atom_to_bin('',1),
?line {0, <<>>} = atom_to_bin('',0),
ok.
%% Test NIF maps handling.
maps(Config) when is_list(Config) ->
TmpMem = tmpmem(),
Pairs = [{adam, "bert"}] ++
[{I,I}||I <- lists:seq(1,10)] ++
[{a,value},{"a","value"},{<<"a">>,<<"value">>}],
ok = ensure_lib_loaded(Config, 1),
M = maps_from_list_nif(Pairs),
R = {RIs,Is} = sorted_list_from_maps_nif(M),
io:format("Pairs: ~p~nMap: ~p~nReturned: ~p~n", [lists:sort(Pairs),M,R]),
true = (lists:sort(Is) =:= lists:sort(Pairs)),
Is = lists:reverse(RIs),
#{} = maps_from_list_nif([]),
{[],[]} = sorted_list_from_maps_nif(#{}),
1 = is_map_nif(M),
0 = is_map_nif("no map"),
Msz = map_size(M),
{1,Msz} = get_map_size_nif(M),
{1,0} = get_map_size_nif(#{}),
{0,-123} = get_map_size_nif({#{}}),
#{} = M0 = make_new_map_nif(),
{1, #{key := value}=M1} = make_map_put_nif(M0, key, value),
{1, #{key := value, "key2" := "value2"}=M2} = make_map_put_nif(M1, "key2", "value2"),
{1, #{key := "value", "key2" := "value2"}=M3} = make_map_put_nif(M2, key, "value"),
{0, undefined} = make_map_put_nif(666, key, value),
{1, "value2"} = get_map_value_nif(M3,"key2"),
{0, undefined} = get_map_value_nif(M3,"key3"),
{0, undefined} = get_map_value_nif(false,key),
{0, undefined} = make_map_update_nif(M0, key, value),
{0, undefined} = make_map_update_nif(M1, "key2", "value2"),
{1, #{key := "value", "key2" := "value2"}} = make_map_update_nif(M2, key, "value"),
{0, undefined} = make_map_update_nif(666, key, value),
{1, #{}} = make_map_remove_nif(M1, key),
{1, M1} = make_map_remove_nif(M2, "key2"),
{1, M2} = make_map_remove_nif(M2, "key3"),
{0, undefined} = make_map_remove_nif(self(), key),
ok.
%% Test macros enif_make_list<N> and enif_make_tuple<N>
api_macros(Config) when is_list(Config) ->
?line ensure_lib_loaded(Config, 1),
Expected = {[lists:seq(1,N) || N <- lists:seq(1,9)],
[list_to_tuple(lists:seq(1,N)) || N <- lists:seq(1,9)]
},
?line Expected = macros(list_to_tuple(lists:seq(1,9))),
ok.
%% enif_make_[tuple|list]_from_array
from_array(Config) when is_list(Config) ->
?line ensure_lib_loaded(Config, 1),
lists:foreach(fun(Tpl) ->
Lst = tuple_to_list(Tpl),
?line {Lst,Tpl} = tuple_2_list_and_tuple(Tpl)
end,
[{}, {1,2,3}, {[4,5],[],{},{6,7}}, {{}}, {[]}]),
ok.
%% enif_inspect_iolist_as_binary
iolist_as_binary(Config) when is_list(Config) ->
?line ensure_lib_loaded(Config, 1),
TmpMem = tmpmem(),
List = [<<"hejsan">>, <<>>, [], [17], [<<>>],
[127,128,255,0],
[1, 2, 3, <<"abc">>, [<<"def">>,4], 5, <<"ghi">>],
[1, 2, 3, <<"abc">>, [<<"def">>,4], 5 | <<"ghi">>]],
lists:foreach(fun(IoL) ->
B1 = erlang:iolist_to_binary(IoL),
?line B2 = iolist_2_bin(IoL),
?line B1 = B2
end,
List),
?line verify_tmpmem(TmpMem),
ok.
%% Test memory managed objects, aka 'resources'
resource(Config) when is_list(Config) ->
?line ensure_lib_loaded(Config, 1),
?line Type = get_resource_type(0),
resource_hugo(Type),
resource_otto(Type),
resource_new(Type),
resource_neg(Type),
ok.
resource_hugo(Type) ->
DtorCall = resource_hugo_do(Type),
erlang:garbage_collect(),
?line DtorCall = last_resource_dtor_call(),
ok.
resource_hugo_do(Type) ->
HugoBin = <<"Hugo Hacker">>,
?line HugoPtr = alloc_resource(Type, HugoBin),
?line Hugo = make_resource(HugoPtr),
?line <<>> = Hugo,
release_resource(HugoPtr),
erlang:garbage_collect(),
?line {HugoPtr,HugoBin} = get_resource(Type,Hugo),
Pid = spawn_link(fun() ->
receive {Pid, Type, Resource, Ptr, Bin} ->
Pid ! {self(), got_it},
receive {Pid, check_it} ->
?line {Ptr,Bin} = get_resource(Type,Resource),
Pid ! {self(), ok}
end
end
end),
Pid ! {self(), Type, Hugo, HugoPtr, HugoBin},
?line {Pid, got_it} = receive_any(),
erlang:garbage_collect(), % just to make our ProcBin move in memory
Pid ! {self(), check_it},
?line {Pid, ok} = receive_any(),
?line [] = last_resource_dtor_call(),
?line {HugoPtr,HugoBin} = get_resource(Type,Hugo),
{HugoPtr, HugoBin, 1}.
resource_otto(Type) ->
{OttoPtr, OttoBin} = resource_otto_do(Type),
erlang:garbage_collect(),
?line [] = last_resource_dtor_call(),
release_resource(OttoPtr),
?line {OttoPtr,OttoBin,1} = last_resource_dtor_call(),
ok.
resource_otto_do(Type) ->
OttoBin = <<"Otto Ordonnans">>,
?line OttoPtr = alloc_resource(Type, OttoBin),
?line Otto = make_resource(OttoPtr),
?line <<>> = Otto,
%% forget resource term but keep referenced by NIF
{OttoPtr, OttoBin}.
resource_new(Type) ->
?line {PtrB,BinB} = resource_new_do1(Type),
erlang:garbage_collect(),
?line {PtrB,BinB,1} = last_resource_dtor_call(),
ok.
resource_new_do1(Type) ->
?line {{PtrA,BinA}, {ResB,PtrB,BinB}} = resource_new_do2(Type),
erlang:garbage_collect(),
?line {PtrA,BinA,1} = last_resource_dtor_call(),
?line {PtrB,BinB} = get_resource(Type, ResB),
%% forget ResB and make it garbage
{PtrB,BinB}.
resource_new_do2(Type) ->
BinA = <<"NewA">>,
BinB = <<"NewB">>,
?line ResA = make_new_resource(Type, BinA),
?line ResB = make_new_resource(Type, BinB),
?line <<>> = ResA,
?line <<>> = ResB,
?line {PtrA,BinA} = get_resource(Type, ResA),
?line {PtrB,BinB} = get_resource(Type, ResB),
?line true = (PtrA =/= PtrB),
%% forget ResA and make it garbage
{{PtrA,BinA}, {ResB,PtrB,BinB}}.
resource_neg(TypeA) ->
resource_neg_do(TypeA),
catch exit(42), % dummy exception to purge saved stacktraces from earlier exception
erlang:garbage_collect(),
?line {_,_,2} = last_resource_dtor_call(),
ok.
resource_neg_do(TypeA) ->
TypeB = get_resource_type(1),
ResA = make_new_resource(TypeA, <<"Arnold">>),
ResB= make_new_resource(TypeB, <<"Bobo">>),
?line {'EXIT',{badarg,_}} = (catch get_resource(TypeA, ResB)),
?line {'EXIT',{badarg,_}} = (catch get_resource(TypeB, ResA)),
ok.
%% Test enif_make_resource_binary
resource_binary(Config) when is_list(Config) ->
?line ensure_lib_loaded(Config, 1),
?line {Ptr,Bin} = resource_binary_do(),
erlang:garbage_collect(),
Last = last_resource_dtor_call(),
?CHECK({Ptr,Bin,1}, Last),
ok.
resource_binary_do() ->
Bin = <<"Hej Hopp i lingonskogen">>,
?line {Ptr,ResBin1} = make_new_resource_binary(Bin),
?line ResBin1 = Bin,
?line ResInfo = {Ptr,_} = get_resource(binary_resource_type,ResBin1),
Papa = self(),
Forwarder = spawn_link(fun() -> forwarder(Papa) end),
io:format("sending to forwarder pid=~p\n",[Forwarder]),
Forwarder ! ResBin1,
ResBin2 = receive_any(),
?line ResBin2 = ResBin1,
?line ResInfo = get_resource(binary_resource_type,ResBin2),
Forwarder ! terminate,
?line {Forwarder, 1} = receive_any(),
erlang:garbage_collect(),
?line ResInfo = get_resource(binary_resource_type,ResBin1),
?line ResInfo = get_resource(binary_resource_type,ResBin2),
ResInfo.
-define(RT_CREATE,1).
-define(RT_TAKEOVER,2).
%% Test resource takeover by module reload and upgrade
resource_takeover(Config) when is_list(Config) ->
TmpMem = tmpmem(),
ensure_lib_loaded(Config),
?line Data = proplists:get_value(data_dir, Config),
?line File = filename:join(Data, "nif_mod"),
?line {ok,nif_mod,ModBin} = compile:file(File, [binary,return_errors]),
?line {module,nif_mod} = erlang:load_module(nif_mod,ModBin),
?line ok = nif_mod:load_nif_lib(Config, 1,
[{resource_type, 0, ?RT_CREATE, "resource_type_A",resource_dtor_A,
?RT_CREATE},
{resource_type, 1, ?RT_CREATE, "resource_type_null_A",null,
?RT_CREATE},
{resource_type, 2, ?RT_CREATE bor ?RT_TAKEOVER, "resource_type_A_null",resource_dtor_A,
?RT_CREATE},
{resource_type, 3, ?RT_CREATE, "resource_type_B_goneX",resource_dtor_B,
?RT_CREATE},
{resource_type, 4, ?RT_CREATE, "resource_type_null_goneX",null,
?RT_CREATE},
{resource_type, null, ?RT_TAKEOVER, "Pink unicorn", resource_dtor_A,
?RT_TAKEOVER}
]),
?line hold_nif_mod_priv_data(nif_mod:get_priv_data_ptr()),
?line [{load,1,1,101},{get_priv_data_ptr,1,2,102}] = nif_mod_call_history(),
?line {Holder, _MRef} = spawn_opt(fun resource_holder/0, [link, monitor]),
{A1,BinA1} = make_resource(0,Holder,"A1"),
{A2,BinA2} = make_resource(0,Holder,"A2"),
{A3,BinA3} = make_resource(0,Holder,"A3"),
{NA1,_BinNA1} = make_resource(1,Holder,"NA1"),
{NA2,BinNA2} = make_resource(1,Holder,"NA2"),
{NA3,_BinNA3} = make_resource(1,Holder,"NA3"),
{AN1,BinAN1} = make_resource(2,Holder,"AN1"),
{AN2,_BinAN2} = make_resource(2,Holder,"AN2"),
{AN3,BinAN3} = make_resource(2,Holder,"AN3"),
{BGX1,BinBGX1} = make_resource(3,Holder,"BGX1"),
{BGX2,BinBGX2} = make_resource(3,Holder,"BGX2"),
{NGX1,_BinNGX1} = make_resource(4,Holder,"NGX1"),
{NGX2,_BinNGX2} = make_resource(4,Holder,"NGX2"),
?line [] = nif_mod_call_history(),
?line ok = forget_resource(A1),
?line [{{resource_dtor_A_v1,BinA1},1,3,103}] = nif_mod_call_history(),
?line ok = forget_resource(NA1),
?line [] = nif_mod_call_history(), % no dtor
?line ok = forget_resource(AN1),
?CHECK([{{resource_dtor_A_v1,BinAN1},1,4,104}] , nif_mod_call_history()),
?line ok = forget_resource(BGX1),
?CHECK([{{resource_dtor_B_v1,BinBGX1},1,5,105}], nif_mod_call_history()),
?line ok = forget_resource(NGX1),
?CHECK([], nif_mod_call_history()), % no dtor
?line ok = nif_mod:load_nif_lib(Config, 2,
[{resource_type, 0, ?RT_TAKEOVER, "resource_type_A",resource_dtor_A,
?RT_TAKEOVER},
{resource_type, 1, ?RT_TAKEOVER bor ?RT_CREATE, "resource_type_null_A",resource_dtor_A,
?RT_TAKEOVER},
{resource_type, 2, ?RT_TAKEOVER, "resource_type_A_null",null,
?RT_TAKEOVER},
{resource_type, null, ?RT_TAKEOVER, "Pink unicorn", resource_dtor_A,
?RT_TAKEOVER},
{resource_type, null, ?RT_CREATE, "resource_type_B_goneX",resource_dtor_B,
?RT_CREATE},
{resource_type, null, ?RT_CREATE, "resource_type_null_goneX",null,
?RT_CREATE},
{resource_type, 3, ?RT_CREATE, "resource_type_B_goneY",resource_dtor_B,
?RT_CREATE},
{resource_type, 4, ?RT_CREATE, "resource_type_null_goneY",null,
?RT_CREATE}
]),
?CHECK([{reload,2,1,201}], nif_mod_call_history()),
?line BinA2 = read_resource(0,A2),
?line ok = forget_resource(A2),
?CHECK([{{resource_dtor_A_v2,BinA2},2,2,202}], nif_mod_call_history()),
?line ok = forget_resource(NA2),
?CHECK([{{resource_dtor_A_v2,BinNA2},2,3,203}], nif_mod_call_history()),
?line ok = forget_resource(AN2),
?CHECK([], nif_mod_call_history()), % no dtor
?line 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?
?line ok = forget_resource(NGX2),
?CHECK([], nif_mod_call_history()), % no dtor
{BGY1,BinBGY1} = make_resource(3,Holder,"BGY1"),
{NGY1,_BinNGY1} = make_resource(4,Holder,"NGY1"),
%% Module upgrade with same lib-version
?line {module,nif_mod} = erlang:load_module(nif_mod,ModBin),
?line undefined = nif_mod:lib_version(),
?line ok = nif_mod:load_nif_lib(Config, 2,
[{resource_type, 2, ?RT_TAKEOVER, "resource_type_A",resource_dtor_B,
?RT_TAKEOVER},
{resource_type, 0, ?RT_TAKEOVER bor ?RT_CREATE, "resource_type_null_A",null,
?RT_TAKEOVER},
{resource_type, 1, ?RT_TAKEOVER, "resource_type_A_null",resource_dtor_A,
?RT_TAKEOVER},
{resource_type, null, ?RT_TAKEOVER, "Pink elephant", resource_dtor_A,
?RT_TAKEOVER},
{resource_type, 3, ?RT_CREATE, "resource_type_B_goneZ",resource_dtor_B,
?RT_CREATE},
{resource_type, 4, ?RT_CREATE, "resource_type_null_goneZ",null,
?RT_CREATE}
]),
?line 2 = nif_mod:lib_version(),
?CHECK([{upgrade,2,4,204},{lib_version,2,5,205}], nif_mod_call_history()),
?line ok = forget_resource(A3),
?CHECK([{{resource_dtor_B_v2,BinA3},2,6,206}], nif_mod_call_history()),
?line ok = forget_resource(NA3),
?CHECK([], nif_mod_call_history()),
?line ok = forget_resource(AN3),
?CHECK([{{resource_dtor_A_v2,BinAN3},2,7,207}], nif_mod_call_history()),
{A4,BinA4} = make_resource(2,Holder, "A4"),
{NA4,BinNA4} = make_resource(0,Holder, "NA4"),
{AN4,_BinAN4} = make_resource(1,Holder, "AN4"),
{BGZ1,BinBGZ1} = make_resource(3,Holder,"BGZ1"),
{NGZ1,_BinNGZ1} = make_resource(4,Holder,"NGZ1"),
?line false = code:purge(nif_mod),
?line [] = nif_mod_call_history(),
?line ok = forget_resource(NGY1),
?line [] = nif_mod_call_history(),
?line ok = forget_resource(BGY1), % calling dtor in orphan library v2 still loaded
?line [{{resource_dtor_B_v2,BinBGY1},2,8,208},{unload,2,9,209}] = nif_mod_call_history(),
%% Module upgrade with other lib-version
?line {module,nif_mod} = erlang:load_module(nif_mod,ModBin),
?line undefined = nif_mod:lib_version(),
?line ok = nif_mod:load_nif_lib(Config, 1,
[{resource_type, 2, ?RT_TAKEOVER, "resource_type_A",resource_dtor_A,
?RT_TAKEOVER},
{resource_type, 0, ?RT_TAKEOVER bor ?RT_CREATE, "resource_type_null_A",resource_dtor_A,
?RT_TAKEOVER},
{resource_type, 1, ?RT_TAKEOVER, "resource_type_A_null",null,
?RT_TAKEOVER},
{resource_type, null, ?RT_TAKEOVER, "Mr Pink", resource_dtor_A,
?RT_TAKEOVER}
]),
?line 1 = nif_mod:lib_version(),
?line [{upgrade,1,1,101},{lib_version,1,2,102}] = nif_mod_call_history(),
%%?line false= check_process_code(Pid, nif_mod),
?line false = code:purge(nif_mod),
%% no unload here as we still have instances with destructors
?line [] = nif_mod_call_history(),
?line ok = forget_resource(BGZ1), % calling dtor in orphan library v2 still loaded
?line [{{resource_dtor_B_v2,BinBGZ1},2,10,210},{unload,2,11,211}] = nif_mod_call_history(),
?line ok = forget_resource(NGZ1),
?line [] = nif_mod_call_history(),
?line ok = forget_resource(A4),
?line [{{resource_dtor_A_v1,BinA4},1,3,103}] = nif_mod_call_history(),
?line ok = forget_resource(NA4),
?line [{{resource_dtor_A_v1,BinNA4},1,4,104}] = nif_mod_call_history(),
?line ok = forget_resource(AN4),
?line [] = nif_mod_call_history(),
%%
%% Test rollback after failed upgrade of same lib-version
%%
{A5,BinA5} = make_resource(2, Holder, "A5"),
{NA5,BinNA5} = make_resource(0, Holder, "NA5"),
{AN5,_BinAN5} = make_resource(1, Holder, "AN5"),
{A6,BinA6} = make_resource(2, Holder, "A6"),
{NA6,BinNA6} = make_resource(0, Holder, "NA6"),
{AN6,_BinAN6} = make_resource(1, Holder, "AN6"),
{module,nif_mod} = erlang:load_module(nif_mod,ModBin),
undefined = nif_mod:lib_version(),
{error,{upgrade,_}} =
nif_mod:load_nif_lib(Config, 1,
[{resource_type, 4, ?RT_TAKEOVER, "resource_type_A",resource_dtor_B,
?RT_TAKEOVER},
{resource_type, 4, ?RT_TAKEOVER bor ?RT_CREATE, "resource_type_null_A",null,
?RT_TAKEOVER},
{resource_type, 4, ?RT_TAKEOVER, "resource_type_A_null",resource_dtor_A,
?RT_TAKEOVER},
{resource_type, 4, ?RT_CREATE, "Mr Pink", resource_dtor_A,
?RT_CREATE},
{return, 1} % FAIL
]),
undefined = nif_mod:lib_version(),
[{upgrade,1,5,105}] = nif_mod_call_history(),
%% Make sure dtor was not changed (from A to B)
ok = forget_resource(A5),
[{{resource_dtor_A_v1,BinA5},1,6,106}] = nif_mod_call_history(),
%% Make sure dtor was not nullified (from A to null)
ok = forget_resource(NA5),
[{{resource_dtor_A_v1,BinNA5},1,7,107}] = nif_mod_call_history(),
%% Make sure dtor was not added (from null to A)
ok = forget_resource(AN5),
[] = nif_mod_call_history(),
%%
%% Test rollback after failed upgrade of other lib-version
%%
{error,{upgrade,_}} =
nif_mod:load_nif_lib(Config, 2,
[{resource_type, 4, ?RT_TAKEOVER, "resource_type_A",resource_dtor_B,
?RT_TAKEOVER},
{resource_type, 4, ?RT_TAKEOVER bor ?RT_CREATE, "resource_type_null_A",null,
?RT_TAKEOVER},
{resource_type, 4, ?RT_TAKEOVER, "resource_type_A_null",resource_dtor_A,
?RT_TAKEOVER},
{resource_type, null, ?RT_TAKEOVER, "Mr Pink", resource_dtor_A,
?RT_TAKEOVER},
{resource_type, 4, ?RT_CREATE, "Mr Pink", resource_dtor_A,
?RT_CREATE},
{return, 1} % FAIL
]),
undefined = nif_mod:lib_version(),
[{upgrade,2,_,_}] = nif_mod_call_history(),
%% Make sure dtor was not changed (from A to B)
ok = forget_resource(A6),
[{{resource_dtor_A_v1,BinA6},1,_,_}] = nif_mod_call_history(),
%% Make sure dtor was not nullified (from A to null)
ok = forget_resource(NA6),
[{{resource_dtor_A_v1,BinNA6},1,_,_}] = nif_mod_call_history(),
%% Make sure dtor was not added (from null to A)
ok = forget_resource(AN6),
[] = nif_mod_call_history(),
%%
%% Test rolback after failed initial load
%%
false = code:purge(nif_mod),
[{unload,1,_,_}] = nif_mod_call_history(),
true = code:delete(nif_mod),
false = code:purge(nif_mod),
[] = nif_mod_call_history(),
{module,nif_mod} = erlang:load_module(nif_mod,ModBin),
undefined = nif_mod:lib_version(),
{error,{load,_}} =
nif_mod:load_nif_lib(Config, 1,
[{resource_type, null, ?RT_TAKEOVER, "resource_type_A",resource_dtor_A,
?RT_TAKEOVER},
{resource_type, 4, ?RT_TAKEOVER bor ?RT_CREATE, "resource_type_null_A",null,
?RT_CREATE},
{resource_type, 4, ?RT_CREATE, "resource_type_A_null",resource_dtor_A,
?RT_CREATE},
{resource_type, 4, ?RT_CREATE, "Mr Pink", resource_dtor_A,
?RT_CREATE},
{return, 1} % FAIL
]),
undefined = nif_mod:lib_version(),
ok = nif_mod:load_nif_lib(Config, 1,
[{resource_type, null, ?RT_TAKEOVER, "resource_type_A",resource_dtor_A,
?RT_TAKEOVER},
{resource_type, 0, ?RT_TAKEOVER bor ?RT_CREATE, "resource_type_null_A",
resource_dtor_A, ?RT_CREATE},
{resource_type, 1, ?RT_CREATE, "resource_type_A_null", null,
?RT_CREATE},
{resource_type, null, ?RT_TAKEOVER, "Mr Pink", resource_dtor_A,
?RT_TAKEOVER},
{return, 0} % SUCCESS
]),
?line hold_nif_mod_priv_data(nif_mod:get_priv_data_ptr()),
?line [{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"),
ok = forget_resource(NA7),
[{{resource_dtor_A_v1,BinNA7},1,_,_}] = nif_mod_call_history(),
ok = forget_resource(AN7),
[] = nif_mod_call_history(),
?line true = lists:member(?MODULE, erlang:system_info(taints)),
?line true = lists:member(nif_mod, erlang:system_info(taints)),
?line verify_tmpmem(TmpMem),
ok.
make_resource(Type,Holder,Str) when is_list(Str) ->
Bin = list_to_binary(Str),
A1 = make_resource_do(Type,Holder,Bin),
?line Bin = read_resource(Type,A1),
{A1,Bin}.
make_resource_do(Type, Holder, Bin) ->
Holder ! {self(), make, Type, Bin},
{Holder, make_ok, Id} = receive_any(),
{Holder,Id}.
read_resource(Type, {Holder,Id}) ->
Holder ! {self(), get, Type, Id},
{Holder, get_ok, Bin} = receive_any(),
Bin.
forget_resource({Holder,Id}) ->
Holder ! {self(), forget, Id},
{Holder, forget_ok, Id} = receive_any(),
ok.
resource_holder() ->
resource_holder([]).
resource_holder(List) ->
%%io:format("resource_holder waiting for msg\n", []),
Msg = receive_any(),
%%io:format("resource_holder got ~p with list = ~p\n", [Msg,List]),
case Msg of
{Pid, make, Type, Bin} ->
?line Resource = nif_mod:make_new_resource(Type, Bin),
Id = {make_ref(),Bin},
Pid ! {self(), make_ok, Id},
resource_holder([{Id,Resource} | List]);
{Pid, get, Type, Id} ->
{Id,Resource} = lists:keyfind(Id, 1, List),
Pid ! {self(), get_ok, nif_mod:get_resource(Type, Resource)},
resource_holder(List);
{Pid, forget, Id} ->
NewList = lists:keydelete(Id, 1, List),
%%io:format("resource_holder forget: NewList = ~p\n", [NewList]),
resource_holder(Pid, {self(),forget_ok,Id}, NewList)
end.
resource_holder(Pid,Reply,List) ->
erlang:garbage_collect(),
%%io:format("resource_holder GC'ed, now send ~p to ~p\n", [Reply,Pid]),
Pid ! Reply,
resource_holder(List).
%% Test the threading API functions (reuse tests from driver API)
threading(Config) when is_list(Config) ->
case erlang:system_info(threads) of
true -> threading_do(Config);
false -> {skipped,"No thread support"}
end.
threading_do(Config) ->
?line Data = proplists:get_value(data_dir, Config),
?line File = filename:join(Data, "tester"),
?line {ok,tester,ModBin} = compile:file(File, [binary,return_errors]),
?line {module,tester} = erlang:load_module(tester,ModBin),
?line ok = tester:load_nif_lib(Config, "basic"),
?line ok = tester:run(),
?line ok = tester:load_nif_lib(Config, "rwlock"),
?line ok = tester:run(),
?line ok = tester:load_nif_lib(Config, "tsd"),
?line ok = tester:run().
%% Test NIF message sending
send(Config) when is_list(Config) ->
ensure_lib_loaded(Config),
N = 1500,
List = lists:seq(1,N),
?line {ok,1} = send_list_seq(N, self),
?line {ok,1} = send_list_seq(N, self()),
?line List = receive_any(),
?line List = receive_any(),
Papa = self(),
spawn_link(fun() -> ?line {ok,1} = send_list_seq(N, Papa) end),
?line List = receive_any(),
?line {ok, 1, BlobS} = send_new_blob(self(), other_term()),
?line BlobR = receive_any(),
io:format("Sent ~p\nGot ~p\n", [BlobS, BlobR]),
?line BlobR = BlobS,
%% send to dead pid
{DeadPid, DeadMon} = spawn_monitor(fun() -> void end),
?line {'DOWN', DeadMon, process, DeadPid, normal} = receive_any(),
{ok,0} = send_list_seq(7, DeadPid),
ok.
%% More NIF message sending
send2(Config) when is_list(Config) ->
ensure_lib_loaded(Config),
send2_do1(fun send_blob_dbg/2),
ok.
%% Send msg from user thread
send_threaded(Config) when is_list(Config) ->
case erlang:system_info(smp_support) of
true ->
send2_do1(fun(ME,To) -> send_blob_thread_dbg(ME,To,join) end),
send2_do1(fun(ME,To) -> send_blob_thread_and_join(ME,To) end),
ok;
false ->
{skipped,"No threaded send on non-SMP"}
end.
send2_do1(SendBlobF) ->
io:format("sending to self=~p\n",[self()]),
send2_do2(SendBlobF, self()),
Papa = self(),
Forwarder = spawn_link(fun() -> forwarder(Papa) end),
io:format("sending to forwarder pid=~p\n",[Forwarder]),
send2_do2(SendBlobF, Forwarder),
Forwarder ! terminate,
?line {Forwarder, 4} = receive_any(),
ok.
send2_do2(SendBlobF, To) ->
MsgEnv = alloc_msgenv(),
repeat(50, fun(_) -> grow_blob(MsgEnv,other_term()) end, []),
?line {ok,1,Blob0} = SendBlobF(MsgEnv, To),
?line Blob1 = receive_any(),
?line Blob1 = Blob0,
clear_msgenv(MsgEnv),
repeat(50, fun(_) -> grow_blob(MsgEnv,other_term()) end, []),
?line {ok,1,Blob2} = SendBlobF(MsgEnv, To),
?line Blob3 = receive_any(),
?line Blob3 = Blob2,
clear_msgenv(MsgEnv),
repeat(50, fun(_) -> grow_blob(MsgEnv,other_term()) end, []),
clear_msgenv(MsgEnv),
repeat(50, fun(_) -> grow_blob(MsgEnv,other_term()) end, []),
?line {ok,1,Blob4} = SendBlobF(MsgEnv, To),
?line Blob5 = receive_any(),
?line Blob5 = Blob4,
clear_msgenv(MsgEnv),
clear_msgenv(MsgEnv),
repeat(50, fun(_) -> grow_blob(MsgEnv,other_term()) end, []),
?line {ok,1,Blob6} = SendBlobF(MsgEnv, To),
?line Blob7 = receive_any(),
?line Blob7 = Blob6,
ok.
send_blob_thread_and_join(MsgEnv, To) ->
?line {ok,Blob} = send_blob_thread_dbg(MsgEnv, To, no_join),
?line {ok,SendRes} = join_send_thread(MsgEnv),
{ok,SendRes,Blob}.
send_blob_dbg(MsgEnv, To) ->
Ret = send_blob(MsgEnv, To),
%%io:format("send_blob to ~p returned ~p\n",[To,Ret]),
Ret.
send_blob_thread_dbg(MsgEnv, To, Join) ->
Ret = send_blob_thread(MsgEnv, To, Join),
%%io:format("send_blob_thread to ~p Join=~p returned ~p\n",[To,Join,Ret]),
Ret.
forwarder(To) ->
forwarder(To, 0).
forwarder(To, N) ->
case receive_any() of
terminate ->
To ! {self(), N};
Msg ->
To ! Msg,
forwarder(To, N+1)
end.
other_term() ->
{fun(X,Y) -> X*Y end, make_ref()}.
%% Message sending stress test
send3(Config) when is_list(Config) ->
%% Let a number of processes send random message blobs between each other
%% using enif_send. Kill and spawn new ones randomly to keep a ~constant
%% number of workers running.
rand:seed(exsplus),
io:format("seed: ~p\n",[rand:export_seed()]),
ets:new(nif_SUITE,[named_table,public]),
?line true = ets:insert(nif_SUITE,{send3,0,0,0,0}),
timer:send_after(10000, timeout), % Run for 10 seconds
SpawnCnt = send3_controller(0, [], [], 20),
?line [{_,Rcv,SndOk,SndFail,Balance}] = ets:lookup(nif_SUITE,send3),
io:format("spawns=~p received=~p, sent=~p send-failure=~p balance=~p\n",
[SpawnCnt,Rcv,SndOk,SndFail,Balance]),
ets:delete(nif_SUITE).
send3_controller(SpawnCnt, [], _, infinity) ->
SpawnCnt;
send3_controller(SpawnCnt0, Mons0, Pids0, Tick) ->
receive
timeout ->
io:format("Timeout. Sending 'halt' to ~p\n",[Pids0]),
lists:foreach(fun(P) -> P ! {halt,self()} end, Pids0),
lists:foreach(fun(P) -> receive {halted,P} -> ok end end, Pids0),
QTot = lists:foldl(fun(P,QSum) ->
{message_queue_len,QLen} =
erlang:process_info(P,message_queue_len),
QSum + QLen
end, 0, Pids0),
io:format("Total queue length ~p\n",[QTot]),
lists:foreach(fun(P) -> P ! die end, Pids0),
send3_controller(SpawnCnt0, Mons0, [], infinity);
{'DOWN', MonRef, process, _Pid, _} ->
Mons1 = lists:delete(MonRef, Mons0),
%%io:format("Got DOWN from ~p. Monitors left: ~p\n",[Pid,Mons1]),
send3_controller(SpawnCnt0, Mons1, Pids0, Tick)
after Tick ->
Max = 20,
N = length(Pids0),
PidN = rand:uniform(Max),
%%io:format("N=~p PidN=~p Pids0=~p\n", [N,PidN,Pids0]),
case PidN > N of
true ->
{NewPid,Mon} = spawn_opt(fun send3_proc/0, [link,monitor]),
lists:foreach(fun(P) -> P ! {is_born,NewPid} end, Pids0),
?line Balance = ets:lookup_element(nif_SUITE,send3,5),
Inject = (Balance =< 0),
case Inject of
true -> ok;
false -> ets:update_element(nif_SUITE,send3,{5,-1})
end,
NewPid ! {pids,Pids0,Inject},
send3_controller(SpawnCnt0+1, [Mon|Mons0], [NewPid|Pids0], Tick);
false ->
KillPid = lists:nth(PidN,Pids0),
KillPid ! die,
Pids1 = lists:delete(KillPid, Pids0),
lists:foreach(fun(P) -> P ! {is_dead,KillPid} end, Pids1),
send3_controller(SpawnCnt0, Mons0, Pids1, Tick)
end
end.
send3_proc() ->
%%io:format("Process ~p spawned\n",[self()]),
send3_proc([self()], {0,0,0}, {1,2,3,4,5}).
send3_proc(Pids0, Counters={Rcv,SndOk,SndFail}, State0) ->
%%io:format("~p: Pids0=~p", [self(), Pids0]),
%%timer:sleep(10),
receive
{pids, Pids1, Inject} ->
%%io:format("~p: got ~p Inject=~p\n", [self(), Pids1, Inject]),
?line Pids0 = [self()],
Pids2 = [self() | Pids1],
case Inject of
true -> send3_proc_send(Pids2, Counters, State0);
false -> send3_proc(Pids2, Counters, State0)
end;
{is_born, Pid} ->
%%io:format("~p: is_born ~p, got ~p\n", [self(), Pid, Pids0]),
send3_proc([Pid | Pids0], Counters, State0);
{is_dead, Pid} ->
Pids1 = lists:delete(Pid,Pids0),
%%io:format("~p: is_dead ~p, got ~p\n", [self(), Pid, Pids1]),
send3_proc(Pids1, Counters, State0);
{blob, Blob0} ->
%%io:format("~p: blob ~p\n", [self(), Blob0]),
State1 = send3_new_state(State0, Blob0),
send3_proc_send(Pids0, {Rcv+1,SndOk,SndFail}, State1);
die ->
%%io:format("Process ~p terminating, stats = ~p\n",[self(),Counters]),
{message_queue_len,Dropped} = erlang:process_info(self(),message_queue_len),
_R = ets:update_counter(nif_SUITE,send3,
[{2,Rcv},{3,SndOk},{4,SndFail},{5,1-Dropped}]),
%%io:format("~p: dies R=~p\n", [self(), R]),
ok;
{halt,Papa} ->
Papa ! {halted,self()},
io:format("~p halted\n",[self()]),
receive die -> ok end,
io:format("~p dying\n",[self()])
end.
send3_proc_send(Pids, {Rcv,SndOk,SndFail}, State0) ->
To = lists:nth(rand:uniform(length(Pids)),Pids),
Blob = send3_make_blob(),
State1 = send3_new_state(State0,Blob),
case send3_send(To, Blob) of
true ->
send3_proc(Pids, {Rcv,SndOk+1,SndFail}, State1);
false ->
send3_proc(Pids, {Rcv,SndOk,SndFail+1}, State1)
end.
send3_make_blob() ->
case rand:uniform(20)-1 of
0 -> {term,[]};
N ->
MsgEnv = alloc_msgenv(),
repeat(N bsr 1,
fun(_) -> grow_blob(MsgEnv,other_term(),rand:uniform(1 bsl 20))
end, void),
case (N band 1) of
0 -> {term,copy_blob(MsgEnv)};
1 -> {msgenv,MsgEnv}
end
end.
send3_send(Pid, Msg) ->
%% 90% enif_send and 10% normal bang
case rand:uniform(10) of
1 -> send3_send_bang(Pid,Msg);
_ -> send3_send_nif(Pid,Msg)
end.
send3_send_nif(Pid, {term,Blob}) ->
%%io:format("~p send term nif\n",[self()]),
send_term(Pid, {blob, Blob}) =:= 1;
send3_send_nif(Pid, {msgenv,MsgEnv}) ->
%%io:format("~p send blob nif\n",[self()]),
send3_blob(MsgEnv, Pid, blob) =:= 1.
send3_send_bang(Pid, {term,Blob}) ->
%%io:format("~p send term bang\n",[self()]),
Pid ! {blob, Blob},
true;
send3_send_bang(Pid, {msgenv,MsgEnv}) ->
%%io:format("~p send blob bang\n",[self()]),
Pid ! {blob, copy_blob(MsgEnv)},
true.
send3_new_state(State, Blob) ->
case rand:uniform(5+2) of
N when N =< 5-> setelement(N, State, Blob);
_ -> State % Don't store blob
end.
%% Negative testing of load_nif
neg(Config) when is_list(Config) ->
TmpMem = tmpmem(),
?line {'EXIT',{badarg,_}} = (catch erlang:load_nif(badarg, 0)),
?line {error,{load_failed,_}} = erlang:load_nif("pink_unicorn", 0),
?line Data = proplists:get_value(data_dir, Config),
?line File = filename:join(Data, "nif_mod"),
?line {ok,nif_mod,Bin} = compile:file(File, [binary,return_errors]),
?line {module,nif_mod} = erlang:load_module(nif_mod,Bin),
?line {error,{bad_lib,_}} = nif_mod:load_nif_lib(Config, no_init),
?line verify_tmpmem(TmpMem),
?line ok.
%% Test all enif_is functions
is_checks(Config) when is_list(Config) ->
?line ensure_lib_loaded(Config, 1),
?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
self(), hd(erlang:ports()), [], [1,9,9,8],
{hejsan, "hejsan", [$h,"ejs",<<"an">>]}, 12),
?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
self(), hd(erlang:ports()), [], [1,9,9,8],
{hejsan, "hejsan", [$h,"ejs",<<"an">>]}, -12),
?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
self(), hd(erlang:ports()), [], [1,9,9,8],
{hejsan, "hejsan", [$h,"ejs",<<"an">>]}, 18446744073709551617),
?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
self(), hd(erlang:ports()), [], [1,9,9,8],
{hejsan, "hejsan", [$h,"ejs",<<"an">>]}, -18446744073709551617),
?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
self(), hd(erlang:ports()), [], [1,9,9,8],
{hejsan, "hejsan", [$h,"ejs",<<"an">>]}, 99.146),
?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
self(), hd(erlang:ports()), [], [1,9,9,8],
{hejsan, "hejsan", [$h,"ejs",<<"an">>]}, -99.146),
?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
self(), hd(erlang:ports()), [], [1,9,9,8],
{hejsan, "hejsan", [$h,"ejs",<<"an">>]}, 18446744073709551616.2e2),
?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
self(), hd(erlang:ports()), [], [1,9,9,8],
{hejsan, "hejsan", [$h,"ejs",<<"an">>]}, -18446744073709551616.2e2),
try
?line check_is_exception(),
?line throw(expected_badarg)
catch
error:badarg ->
?line ok
end.
%% Test all enif_get_length functions
get_length(Config) when is_list(Config) ->
?line ensure_lib_loaded(Config, 1),
?line ok = length_test(hejsan, "hejsan", [], [], not_a_list, [1,2|3]).
ensure_lib_loaded(Config) ->
ensure_lib_loaded(Config, 1).
ensure_lib_loaded(Config, Ver) ->
?line case lib_version() of
undefined ->
?line Path = proplists:get_value(data_dir, Config),
?line Lib = "nif_SUITE." ++ integer_to_list(Ver),
?line ok = erlang:load_nif(filename:join(Path,Lib), []);
Ver when is_integer(Ver) ->
ok
end.
make_atom(Config) when is_list(Config) ->
?line ensure_lib_loaded(Config, 1),
An0Atom = an0atom,
An0Atom0 = 'an\000atom\000',
?line Atoms = make_atoms(),
?line 7 = size(Atoms),
?line Atoms = {An0Atom,An0Atom,An0Atom,An0Atom0,An0Atom,An0Atom,An0Atom0}.
make_string(Config) when is_list(Config) ->
?line ensure_lib_loaded(Config, 1),
?line Strings = make_strings(),
?line 5 = size(Strings),
A0String = "a0string",
A0String0 = [$a,0,$s,$t,$r,$i,$n,$g,0],
AStringWithAccents = [$E,$r,$l,$a,$n,$g,$ ,16#e4,$r,$ ,$e,$t,$t,$ ,$g,$e,$n,$e,$r,$e,$l,$l,$t,$ ,$p,$r,$o,$g,$r,$a,$m,$s,$p,$r,16#e5,$k],
?line Strings = {A0String,A0String,A0String,A0String0, AStringWithAccents}.
reverse_list_test(Config) ->
?line ensure_lib_loaded(Config, 1),
List = lists:seq(1,100),
RevList = lists:reverse(List),
?line RevList = reverse_list(List),
?line badarg = reverse_list(foo).
%% Memory leak of tmp-buffer when inspecting iolist or unaligned binary in unbound environment
otp_9668(Config) ->
ensure_lib_loaded(Config, 1),
TmpMem = tmpmem(),
IOList = ["This",' ',<<"is">>,' ',[<<"an iolist">>,'.']],
otp_9668_nif(IOList),
<<_:5/bitstring,UnalignedBin:10/binary,_/bitstring>> = <<"Abuse me as unaligned">>,
otp_9668_nif(UnalignedBin),
?line verify_tmpmem(TmpMem),
ok.
%% Copy of writable binary
otp_9828(Config) ->
ensure_lib_loaded(Config, 1),
otp_9828_loop(<<"I'm alive!">>, 1000).
otp_9828_loop(Bin, 0) ->
ok;
otp_9828_loop(Bin, Val) ->
WrtBin = <<Bin/binary, Val:32>>,
ok = otp_9828_nif(WrtBin),
otp_9828_loop(WrtBin, Val-1).
consume_timeslice(Config) when is_list(Config) ->
CONTEXT_REDS = 2000,
Me = self(),
Go = make_ref(),
RedDiff = make_ref(),
Done = make_ref(),
DummyMFA = {?MODULE,dummy_call,1},
P = spawn(fun () ->
receive Go -> ok end,
{reductions, R1} = process_info(self(), reductions),
1 = consume_timeslice_nif(100, false),
dummy_call(111),
0 = consume_timeslice_nif(90, false),
dummy_call(222),
1 = consume_timeslice_nif(10, false),
dummy_call(333),
0 = consume_timeslice_nif(25, false),
0 = consume_timeslice_nif(25, false),
0 = consume_timeslice_nif(25, false),
1 = consume_timeslice_nif(25, false),
0 = consume_timeslice_nif(25, false),
ok = case consume_timeslice_nif(1, true) of
Cnt when Cnt > 70, Cnt < 80 -> ok;
Other -> Other
end,
dummy_call(444),
{reductions, R2} = process_info(self(), reductions),
Me ! {RedDiff, R2 - R1},
exit(Done)
end),
erlang:yield(),
erlang:trace_pattern(DummyMFA, [], [local]),
?line 1 = erlang:trace(P, true, [call, running, procs, {tracer, self()}]),
P ! Go,
%% receive Go -> ok end,
?line {trace, P, in, _} = next_tmsg(P),
%% consume_timeslice_nif(100),
%% dummy_call(111)
?line {trace, P, out, _} = next_tmsg(P),
?line {trace, P, in, _} = next_tmsg(P),
?line {trace, P, call, {?MODULE,dummy_call,[111]}} = next_tmsg(P),
%% consume_timeslice_nif(90),
%% dummy_call(222)
?line {trace, P, call, {?MODULE,dummy_call,[222]}} = next_tmsg(P),
%% consume_timeslice_nif(10),
%% dummy_call(333)
?line {trace, P, out, _} = next_tmsg(P),
?line {trace, P, in, _} = next_tmsg(P),
?line {trace, P, call, {?MODULE,dummy_call,[333]}} = next_tmsg(P),
%% 25,25,25,25, 25
?line {trace, P, out, {?MODULE,consume_timeslice_nif,2}} = next_tmsg(P),
?line {trace, P, in, {?MODULE,consume_timeslice_nif,2}} = next_tmsg(P),
%% consume_timeslice(1,true)
%% dummy_call(444)
?line {trace, P, out, DummyMFA} = next_tmsg(P),
?line {trace, P, in, DummyMFA} = next_tmsg(P),
?line {trace, P, call, {?MODULE,dummy_call,[444]}} = next_tmsg(P),
%% exit(Done)
?line {trace, P, exit, Done} = next_tmsg(P),
ExpReds = (100 + 90 + 10 + 25*5 + 75) * CONTEXT_REDS div 100,
receive
{RedDiff, Reductions} when Reductions < (ExpReds + 10), Reductions > (ExpReds - 10) ->
io:format("Reductions = ~p~n", [Reductions]),
ok;
{RedDiff, Reductions} ->
ct:fail({unexpected_reduction_count, Reductions})
end,
none = next_msg(P),
ok.
nif_schedule(Config) when is_list(Config) ->
ensure_lib_loaded(Config),
A = "this is a string",
B = {this,is,a,tuple},
{B,A} = call_nif_schedule(A, B),
ok = try call_nif_schedule(1, 2)
catch
error:badarg ->
[{?MODULE,call_nif_schedule,[1,2],_}|_] =
erlang:get_stacktrace(),
ok
end,
ok.
dirty_nif(Config) when is_list(Config) ->
try erlang:system_info(dirty_cpu_schedulers) of
N when is_integer(N) ->
ensure_lib_loaded(Config),
Val1 = 42,
Val2 = "Erlang",
Val3 = list_to_binary([Val2, 0]),
{Val1, Val2, Val3} = call_dirty_nif(Val1, Val2, Val3),
LargeArray = lists:duplicate(1000, ok),
LargeArray = call_dirty_nif_zero_args(),
ok
catch
error:badarg ->
{skipped,"No dirty scheduler support"}
end.
dirty_nif_send(Config) when is_list(Config) ->
try erlang:system_info(dirty_cpu_schedulers) of
N when is_integer(N) ->
ensure_lib_loaded(Config),
Parent = self(),
Pid = spawn_link(fun() ->
Self = self(),
{ok, Self} = receive_any(),
Parent ! {ok, Self}
end),
{ok, Pid} = send_from_dirty_nif(Pid),
{ok, Pid} = receive_any(),
ok
catch
error:badarg ->
{skipped,"No dirty scheduler support"}
end.
dirty_nif_exception(Config) when is_list(Config) ->
try erlang:system_info(dirty_cpu_schedulers) of
N when is_integer(N) ->
ensure_lib_loaded(Config),
try
%% this checks that the expected exception occurs when the
%% dirty NIF returns the result of enif_make_badarg
%% directly
call_dirty_nif_exception(1),
ct:fail(expected_badarg)
catch
error:badarg ->
[{?MODULE,call_dirty_nif_exception,[1],_}|_] =
erlang:get_stacktrace(),
ok
end,
try
%% this checks that the expected exception occurs when the
%% dirty NIF calls enif_make_badarg at some point but then
%% returns a value that isn't an exception
call_dirty_nif_exception(0),
ct:fail(expected_badarg)
catch
error:badarg ->
[{?MODULE,call_dirty_nif_exception,[0],_}|_] =
erlang:get_stacktrace(),
ok
end,
%% this checks that a dirty NIF can raise various terms as
%% exceptions
ok = nif_raise_exceptions(call_dirty_nif_exception)
catch
error:badarg ->
{skipped,"No dirty scheduler support"}
end.
nif_exception(Config) when is_list(Config) ->
ensure_lib_loaded(Config),
try
%% this checks that the expected exception occurs when the NIF
%% calls enif_make_badarg at some point but then tries to return a
%% value that isn't an exception
call_nif_exception(0),
ct:fail(expected_badarg)
catch
error:badarg ->
ok
end,
%% this checks that a NIF can raise various terms as exceptions
ok = nif_raise_exceptions(call_nif_exception),
ok.
nif_nan_and_inf(Config) when is_list(Config) ->
ensure_lib_loaded(Config),
try
call_nif_nan_or_inf(nan),
ct:fail(expected_badarg)
catch
error:badarg ->
ok
end,
try
call_nif_nan_or_inf(inf),
ct:fail(expected_badarg)
catch
error:badarg ->
ok
end,
try
call_nif_nan_or_inf(tuple),
ct:fail(expected_badarg)
catch
error:badarg ->
ok
end.
nif_atom_too_long(Config) when is_list(Config) ->
ensure_lib_loaded(Config),
try
call_nif_atom_too_long(all),
ct:fail(expected_badarg)
catch
error:badarg ->
ok
end,
try
call_nif_atom_too_long(len),
ct:fail(expected_badarg)
catch
error:badarg ->
ok
end.
next_msg(_Pid) ->
receive
M -> M
after 100 ->
none
end.
next_tmsg(Pid) ->
receive TMsg when is_tuple(TMsg),
element(1, TMsg) == trace,
element(2, TMsg) == Pid ->
TMsg
after 100 ->
none
end.
dummy_call(_) ->
ok.
tmpmem() ->
case erlang:system_info({allocator,temp_alloc}) of
false -> undefined;
MemInfo ->
MSBCS = lists:foldl(
fun ({instance, 0, _}, Acc) ->
Acc; % Ignore instance 0
({instance, _, L}, Acc) ->
{value,{_,MBCS}} = lists:keysearch(mbcs, 1, L),
{value,{_,SBCS}} = lists:keysearch(sbcs, 1, L),
[MBCS,SBCS | Acc]
end,
[],
MemInfo),
lists:foldl(
fun(L, {Bl0,BlSz0}) ->
{value,{_,Bl,_,_}} = lists:keysearch(blocks, 1, L),
{value,{_,BlSz,_,_}} = lists:keysearch(blocks_size, 1, L),
{Bl0+Bl,BlSz0+BlSz}
end, {0,0}, MSBCS)
end.
verify_tmpmem(MemInfo) ->
%%wait_for_test_procs(),
case tmpmem() of
MemInfo ->
io:format("Tmp mem info: ~p", [MemInfo]),
case MemInfo of
{notsup,undefined} ->
%% Use 'erl +Mea max' to do more complete memory leak testing.
{comment,"Incomplete or no mem leak testing"};
_ ->
ok
end;
Other ->
ct:fail("Expected: ~p\nActual: ~p", [MemInfo, Other])
end.
call(Pid,Cmd) ->
%%io:format("~p calling ~p with ~p\n",[self(), Pid, Cmd]),
Pid ! {self(), Cmd},
receive
{Pid,Reply} -> Reply
end.
receive_any() ->
receive M -> M end.
repeat(0, _, Arg) ->
Arg;
repeat(N, Fun, Arg0) ->
repeat(N-1, Fun, Fun(Arg0)).
check(Exp,Got,Line) ->
case Got of
Exp -> Exp;
_ ->
io:format("CHECK at ~p: Expected ~p but got ~p\n",[Line,Exp,Got]),
Got
end.
nif_raise_exceptions(NifFunc) ->
ExcTerms = [{error, test}, "a string", <<"a binary">>,
42, [1,2,3,4,5], [{p,1},{p,2},{p,3}]],
lists:foldl(fun(Term, ok) ->
try
erlang:apply(?MODULE,NifFunc,[Term]),
ct:fail({expected,Term})
catch
error:Term ->
[{?MODULE,NifFunc,[Term],_}|_] = erlang:get_stacktrace(),
ok
end
end, ok, ExcTerms).
-define(ERL_NIF_TIME_ERROR, -9223372036854775808).
-define(TIME_UNITS, [seconds, milli_seconds, micro_seconds, nano_seconds]).
nif_monotonic_time(Config) ->
?ERL_NIF_TIME_ERROR = monotonic_time(invalid_time_unit),
mtime_loop(1000000).
mtime_loop(0) ->
ok;
mtime_loop(N) ->
chk_mtime(?TIME_UNITS),
mtime_loop(N-1).
chk_mtime([]) ->
ok;
chk_mtime([TU|TUs]) ->
A = erlang:monotonic_time(TU),
B = monotonic_time(TU),
C = erlang:monotonic_time(TU),
try
true = A =< B,
true = B =< C
catch
_ : _ ->
ct:fail({monotonic_time_missmatch, TU, A, B, C})
end,
chk_mtime(TUs).
nif_time_offset(Config) ->
?ERL_NIF_TIME_ERROR = time_offset(invalid_time_unit),
toffs_loop(1000000).
toffs_loop(0) ->
ok;
toffs_loop(N) ->
chk_toffs(?TIME_UNITS),
toffs_loop(N-1).
chk_toffs([]) ->
ok;
chk_toffs([TU|TUs]) ->
TO = erlang:time_offset(TU),
NifTO = time_offset(TU),
case TO =:= NifTO of
true ->
ok;
false ->
case erlang:system_info(time_warp_mode) of
no_time_warp ->
ct:fail({time_offset_mismatch, TU, TO, NifTO});
_ ->
%% Most frequent time offset change
%% is currently only every 15:th
%% second so this should currently
%% work...
NTO = erlang:time_offset(TU),
case NifTO =:= NTO of
true ->
ok;
false ->
ct:fail({time_offset_mismatch, TU, TO, NifTO, NTO})
end
end
end,
chk_toffs(TUs).
nif_convert_time_unit(Config) ->
?ERL_NIF_TIME_ERROR = convert_time_unit(0, seconds, invalid_time_unit),
?ERL_NIF_TIME_ERROR = convert_time_unit(0, invalid_time_unit, seconds),
?ERL_NIF_TIME_ERROR = convert_time_unit(0, invalid_time_unit, invalid_time_unit),
lists:foreach(fun (Offset) ->
lists:foreach(fun (Diff) ->
chk_ctu(Diff+(Offset*1000*1000*1000))
end,
[999999999999,
99999999999,
9999999999,
999999999,
99999999,
9999999,
999999,
99999,
999,
99,
9,
1,
11,
101,
1001,
10001,
100001,
1000001,
10000001,
100000001,
1000000001,
100000000001,
1000000000001,
5,
50,
500,
5000,
50000,
500000,
5000000,
50000000,
500000000,
5000000000,
50000000000,
500000000000])
end,
[-4711, -1000, -475, -5, -4, -3, -2, -1, 0,
1, 2, 3, 4, 5, 475, 1000, 4711]),
ctu_loop(1000000).
ctu_loop(0) ->
ok;
ctu_loop(N) ->
chk_ctu(erlang:monotonic_time(nano_seconds)),
ctu_loop(N-1).
chk_ctu(Time) ->
chk_ctu(Time, ?TIME_UNITS).
chk_ctu(_Time, []) ->
ok;
chk_ctu(Time, [FromTU|FromTUs]) ->
chk_ctu(Time, FromTU, ?TIME_UNITS),
chk_ctu(Time, FromTUs).
chk_ctu(_Time, _FromTU, []) ->
ok;
chk_ctu(Time, FromTU, [ToTU|ToTUs]) ->
T = erlang:convert_time_unit(Time, nano_seconds, FromTU),
TE = erlang:convert_time_unit(T, FromTU, ToTU),
TN = convert_time_unit(T, FromTU, ToTU),
case TE =:= TN of
false ->
ct:fail({conversion_mismatch, FromTU, T, ToTU, TE, TN});
true ->
chk_ctu(Time, FromTU, ToTUs)
end.
%% The NIFs:
lib_version() -> undefined.
call_history() -> ?nif_stub.
hold_nif_mod_priv_data(_Ptr) -> ?nif_stub.
nif_mod_call_history() -> ?nif_stub.
list_seq(_To) -> ?nif_stub.
type_test() -> ?nif_stub.
tuple_2_list(_) -> ?nif_stub.
is_identical(_,_) -> ?nif_stub.
compare(_,_) -> ?nif_stub.
many_args_100(_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_) -> ?nif_stub.
clone_bin(_) -> ?nif_stub.
make_sub_bin(_,_,_) -> ?nif_stub.
string_to_bin(_,_) -> ?nif_stub.
atom_to_bin(_,_) -> ?nif_stub.
macros(_) -> ?nif_stub.
tuple_2_list_and_tuple(_) -> ?nif_stub.
iolist_2_bin(_) -> ?nif_stub.
get_resource_type(_) -> ?nif_stub.
alloc_resource(_,_) -> ?nif_stub.
make_resource(_) -> ?nif_stub.
get_resource(_,_) -> ?nif_stub.
release_resource(_) -> ?nif_stub.
last_resource_dtor_call() -> ?nif_stub.
make_new_resource(_,_) -> ?nif_stub.
check_is(_,_,_,_,_,_,_,_,_,_,_) -> ?nif_stub.
check_is_exception() -> ?nif_stub.
length_test(_,_,_,_,_,_) -> ?nif_stub.
make_atoms() -> ?nif_stub.
make_strings() -> ?nif_stub.
make_new_resource_binary(_) -> ?nif_stub.
send_list_seq(_,_) -> ?nif_stub.
send_new_blob(_,_) -> ?nif_stub.
alloc_msgenv() -> ?nif_stub.
clear_msgenv(_) -> ?nif_stub.
grow_blob(_,_) -> ?nif_stub.
grow_blob(_,_,_) -> ?nif_stub.
send_blob(_,_) -> ?nif_stub.
send3_blob(_,_,_) -> ?nif_stub.
send_blob_thread(_,_,_) -> ?nif_stub.
join_send_thread(_) -> ?nif_stub.
copy_blob(_) -> ?nif_stub.
send_term(_,_) -> ?nif_stub.
reverse_list(_) -> ?nif_stub.
echo_int(_) -> ?nif_stub.
type_sizes() -> ?nif_stub.
otp_9668_nif(_) -> ?nif_stub.
otp_9828_nif(_) -> ?nif_stub.
consume_timeslice_nif(_,_) -> ?nif_stub.
call_nif_schedule(_,_) -> ?nif_stub.
call_dirty_nif(_,_,_) -> ?nif_stub.
send_from_dirty_nif(_) -> ?nif_stub.
call_dirty_nif_exception(_) -> ?nif_stub.
call_dirty_nif_zero_args() -> ?nif_stub.
call_nif_exception(_) -> ?nif_stub.
call_nif_nan_or_inf(_) -> ?nif_stub.
call_nif_atom_too_long(_) -> ?nif_stub.
%% maps
is_map_nif(_) -> ?nif_stub.
get_map_size_nif(_) -> ?nif_stub.
make_new_map_nif() -> ?nif_stub.
make_map_put_nif(_,_,_) -> ?nif_stub.
get_map_value_nif(_,_) -> ?nif_stub.
make_map_update_nif(_,_,_) -> ?nif_stub.
make_map_remove_nif(_,_) -> ?nif_stub.
maps_from_list_nif(_) -> ?nif_stub.
sorted_list_from_maps_nif(_) -> ?nif_stub.
%% Time
monotonic_time(_) -> ?nif_stub.
time_offset(_) -> ?nif_stub.
convert_time_unit(_,_,_) -> ?nif_stub.
nif_stub_error(Line) ->
exit({nif_not_loaded,module,?MODULE,line,Line}).
