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-rw-r--r--erts/emulator/test/Makefile2
-rw-r--r--erts/emulator/test/bif_SUITE.erl31
-rw-r--r--erts/emulator/test/big_SUITE.erl53
-rw-r--r--erts/emulator/test/big_SUITE_data/borders.dat35
-rw-r--r--erts/emulator/test/binary_SUITE.erl3
-rw-r--r--erts/emulator/test/bs_construct_SUITE.erl24
-rw-r--r--erts/emulator/test/fun_SUITE.erl14
-rw-r--r--erts/emulator/test/iovec_SUITE.erl175
-rw-r--r--erts/emulator/test/lcnt_SUITE.erl156
-rw-r--r--erts/emulator/test/nif_SUITE.erl194
-rw-r--r--erts/emulator/test/nif_SUITE_data/nif_SUITE.c241
-rw-r--r--erts/emulator/test/port_SUITE.erl44
-rw-r--r--erts/emulator/test/port_SUITE_data/echo_drv.c31
-rw-r--r--erts/emulator/test/process_SUITE.erl6
-rw-r--r--erts/emulator/test/register_SUITE.erl9
-rw-r--r--erts/emulator/test/statistics_SUITE.erl34
16 files changed, 1021 insertions, 31 deletions
diff --git a/erts/emulator/test/Makefile b/erts/emulator/test/Makefile
index fcd7244ae9..b17170c8b8 100644
--- a/erts/emulator/test/Makefile
+++ b/erts/emulator/test/Makefile
@@ -71,8 +71,10 @@ MODULES= \
hash_SUITE \
hibernate_SUITE \
hipe_SUITE \
+ iovec_SUITE \
list_bif_SUITE \
lttng_SUITE \
+ lcnt_SUITE \
map_SUITE \
match_spec_SUITE \
module_info_SUITE \
diff --git a/erts/emulator/test/bif_SUITE.erl b/erts/emulator/test/bif_SUITE.erl
index 339c827602..04b7f2de15 100644
--- a/erts/emulator/test/bif_SUITE.erl
+++ b/erts/emulator/test/bif_SUITE.erl
@@ -24,7 +24,7 @@
-include_lib("kernel/include/file.hrl").
-export([all/0, suite/0,
- display/1, display_huge/0,
+ display/1, display_huge/0, display_string/1,
erl_bif_types/1,guard_bifs_in_erl_bif_types/1,
shadow_comments/1,list_to_utf8_atom/1,
specs/1,improper_bif_stubs/1,auto_imports/1,
@@ -43,7 +43,7 @@ all() ->
[erl_bif_types, guard_bifs_in_erl_bif_types, shadow_comments,
specs, improper_bif_stubs, auto_imports,
t_list_to_existing_atom, os_env, otp_7526,
- display, list_to_utf8_atom,
+ display, display_string, list_to_utf8_atom,
atom_to_binary, binary_to_atom, binary_to_existing_atom,
erl_crash_dump_bytes, min_max, erlang_halt, is_builtin,
error_stacktrace, error_stacktrace_during_call_trace].
@@ -68,6 +68,28 @@ deeep(N,Acc) ->
deeep(N) ->
deeep(N,[hello]).
+display_string(Config) when is_list(Config) ->
+ true = erlang:display_string("hej"),
+ true = erlang:display_string(""),
+ true = erlang:display_string("hopp"),
+ true = erlang:display_string("\n"),
+ true = erlang:display_string(lists:seq(1100,1200)),
+ {error,badarg} = try
+ erlang:display_string(atom),
+ ok
+ catch
+ T0:E0 ->
+ {T0, E0}
+ end,
+ {error,badarg} = try
+ erlang:display_string(make_ref()),
+ ok
+ catch
+ T1:E1 ->
+ {T1, E1}
+ end,
+ ok.
+
erl_bif_types(Config) when is_list(Config) ->
ensure_erl_bif_types_compiled(),
@@ -503,6 +525,8 @@ binary_to_atom(Config) when is_list(Config) ->
?BADARG(binary_to_atom(id(<<255>>), utf8)),
?BADARG(binary_to_atom(id(<<255,0>>), utf8)),
?BADARG(binary_to_atom(id(<<16#C0,16#80>>), utf8)), %Overlong 0.
+ <<B:1/binary, _/binary>> = id(<<194, 163>>), %Truncated character ERL-474
+ ?BADARG(binary_to_atom(B, utf8)),
%% system_limit failures.
?SYS_LIMIT(binary_to_atom(id(<<0:512/unit:8,255>>), utf8)),
@@ -691,6 +715,9 @@ erlang_halt(Config) when is_list(Config) ->
{badrpc,nodedown} = rpc:call(N3, erlang, halt, [0,[]]),
{ok,N4} = slave:start(H, halt_node4),
{badrpc,nodedown} = rpc:call(N4, erlang, halt, [lists:duplicate(300,$x)]),
+ %% Test unicode slogan
+ {ok,N4} = slave:start(H, halt_node4),
+ {badrpc,nodedown} = rpc:call(N4, erlang, halt, [[339,338,254,230,198,295,167,223,32,12507,12531,12480]]),
% This test triggers a segfault when dumping a crash dump
% to make sure that we can handle it properly.
diff --git a/erts/emulator/test/big_SUITE.erl b/erts/emulator/test/big_SUITE.erl
index 402751393a..c308760211 100644
--- a/erts/emulator/test/big_SUITE.erl
+++ b/erts/emulator/test/big_SUITE.erl
@@ -24,6 +24,7 @@
-export([t_div/1, eq_28/1, eq_32/1, eq_big/1, eq_math/1, big_literals/1,
borders/1, negative/1, big_float_1/1, big_float_2/1,
+ bxor_2pow/1,
shift_limit_1/1, powmod/1, system_limit/1, toobig/1, otp_6692/1]).
%% Internal exports.
@@ -42,6 +43,7 @@ suite() ->
all() ->
[t_div, eq_28, eq_32, eq_big, eq_math, big_literals,
borders, negative, {group, big_float}, shift_limit_1,
+ bxor_2pow,
powmod, system_limit, toobig, otp_6692].
groups() ->
@@ -396,3 +398,54 @@ loop2(X,Y,N,M) ->
end,
loop2(X,Y,N+1,M).
+
+%% ERL-450
+bxor_2pow(_Config) ->
+ IL = lists:seq(8*3, 8*16, 4),
+ JL = lists:seq(0, 64),
+ [bxor_2pow_1((1 bsl I), (1 bsl J))
+ || I <- IL, J <- JL],
+ ok.
+
+bxor_2pow_1(A, B) ->
+ for(-1,1, fun(Ad) ->
+ for(-1,1, fun(Bd) ->
+ bxor_2pow_2(A+Ad, B+Bd),
+ bxor_2pow_2(-A+Ad, B+Bd),
+ bxor_2pow_2(A+Ad, -B+Bd),
+ bxor_2pow_2(-A+Ad, -B+Bd)
+ end)
+ end).
+
+for(From, To, _Fun) when From > To ->
+ ok;
+for(From, To, Fun) ->
+ Fun(From),
+ for(From+1, To, Fun).
+
+bxor_2pow_2(A, B) ->
+ Correct = my_bxor(A, B),
+ case A bxor B of
+ Correct -> ok;
+ Wrong ->
+ io:format("~.16b bxor ~.16b\n", [A,B]),
+ io:format("Expected ~.16b\n", [Correct]),
+ io:format("Got ~.16b\n", [Wrong]),
+ ct:fail({failed, 'bxor'})
+
+ end.
+
+%% Implement bxor without bxor
+my_bxor(A, B) ->
+ my_bxor(A, B, 0, 0).
+
+my_bxor(0, 0, _, Acc) -> Acc;
+my_bxor(-1, -1, _, Acc) -> Acc;
+my_bxor(-1, 0, N, Acc) -> (-1 bsl N) bor Acc; % sign extension
+my_bxor(0, -1, N, Acc) -> (-1 bsl N) bor Acc; % sign extension
+my_bxor(A, B, N, Acc0) ->
+ Acc1 = case (A band 1) =:= (B band 1) of
+ true -> Acc0;
+ false -> Acc0 bor (1 bsl N)
+ end,
+ my_bxor(A bsr 1, B bsr 1, N+1, Acc1).
diff --git a/erts/emulator/test/big_SUITE_data/borders.dat b/erts/emulator/test/big_SUITE_data/borders.dat
index 52e4f35861..c38ff93383 100644
--- a/erts/emulator/test/big_SUITE_data/borders.dat
+++ b/erts/emulator/test/big_SUITE_data/borders.dat
@@ -1114,3 +1114,38 @@
1 = 16#800000000000001 rem (-16#800000000000000).
0 = 16#FFFFFFFFFFFFFFF800000000 rem 16#FFFFFFFFFFFFFFF80.
+% ERL-450 bxor of big negative 2-pow
+-(1 bsl 8) bxor -1 = 16#ff.
+-(1 bsl 16) bxor -1 = 16#ffff.
+-(1 bsl 24) bxor -1 = 16#ffffff.
+-(1 bsl 32) bxor -1 = 16#ffffffff.
+-(1 bsl 40) bxor -1 = 16#ffffffffff.
+-(1 bsl 48) bxor -1 = 16#ffffffffffff.
+-(1 bsl 56) bxor -1 = 16#ffffffffffffff.
+-(1 bsl 64) bxor -1 = 16#ffffffffffffffff.
+-(1 bsl 72) bxor -1 = 16#ffffffffffffffffff.
+-(1 bsl 80) bxor -1 = 16#ffffffffffffffffffff.
+-(1 bsl 88) bxor -1 = 16#ffffffffffffffffffffff.
+-(1 bsl 96) bxor -1 = 16#ffffffffffffffffffffffff.
+-(1 bsl 104) bxor -1 = 16#ffffffffffffffffffffffffff.
+-(1 bsl 112) bxor -1 = 16#ffffffffffffffffffffffffffff.
+-(1 bsl 120) bxor -1 = 16#ffffffffffffffffffffffffffffff.
+-(1 bsl 128) bxor -1 = 16#ffffffffffffffffffffffffffffffff.
+-(1 bsl 136) bxor -1 = 16#ffffffffffffffffffffffffffffffffff.
+-(1 bsl 8) bxor 1 = -16#ff.
+-(1 bsl 16) bxor 1 = -16#ffff.
+-(1 bsl 24) bxor 1 = -16#ffffff.
+-(1 bsl 32) bxor 1 = -16#ffffffff.
+-(1 bsl 40) bxor 1 = -16#ffffffffff.
+-(1 bsl 48) bxor 1 = -16#ffffffffffff.
+-(1 bsl 56) bxor 1 = -16#ffffffffffffff.
+-(1 bsl 64) bxor 1 = -16#ffffffffffffffff.
+-(1 bsl 72) bxor 1 = -16#ffffffffffffffffff.
+-(1 bsl 80) bxor 1 = -16#ffffffffffffffffffff.
+-(1 bsl 88) bxor 1 = -16#ffffffffffffffffffffff.
+-(1 bsl 96) bxor 1 = -16#ffffffffffffffffffffffff.
+-(1 bsl 104) bxor 1 = -16#ffffffffffffffffffffffffff.
+-(1 bsl 112) bxor 1 = -16#ffffffffffffffffffffffffffff.
+-(1 bsl 120) bxor 1 = -16#ffffffffffffffffffffffffffffff.
+-(1 bsl 128) bxor 1 = -16#ffffffffffffffffffffffffffffffff.
+-(1 bsl 136) bxor 1 = -16#ffffffffffffffffffffffffffffffffff.
diff --git a/erts/emulator/test/binary_SUITE.erl b/erts/emulator/test/binary_SUITE.erl
index 4d17276e5c..61536bacd7 100644
--- a/erts/emulator/test/binary_SUITE.erl
+++ b/erts/emulator/test/binary_SUITE.erl
@@ -599,6 +599,9 @@ bad_binary_to_term(Config) when is_list(Config) ->
%% Bad float.
bad_bin_to_term(<<131,70,-1:64>>),
+
+ %% Truncated UTF8 character (ERL-474)
+ bad_bin_to_term(<<131,119,1,194,163>>),
ok.
bad_bin_to_term(BadBin) ->
diff --git a/erts/emulator/test/bs_construct_SUITE.erl b/erts/emulator/test/bs_construct_SUITE.erl
index b79f4b995d..ce50bcdd86 100644
--- a/erts/emulator/test/bs_construct_SUITE.erl
+++ b/erts/emulator/test/bs_construct_SUITE.erl
@@ -905,14 +905,28 @@ bs_add_overflow(_Config) ->
_ when Memsize < (2 bsl 30) ->
{skip, "Less then 2 GB of memory"};
4 ->
- Large = <<0:((1 bsl 30)-1)>>,
- {'EXIT',{system_limit,_}} =
- (catch <<Large/bits, Large/bits, Large/bits, Large/bits,
- Large/bits, Large/bits, Large/bits, Large/bits,
- Large/bits>>),
+ {'EXIT', {system_limit, _}} = (catch bs_add_overflow_signed()),
+ {'EXIT', {system_limit, _}} = (catch bs_add_overflow_unsigned()),
ok
end.
+bs_add_overflow_signed() ->
+ %% Produce a large result of bs_add that, if cast to signed int, would
+ %% overflow into a negative number that fits a smallnum.
+ Large = <<0:((1 bsl 30)-1)>>,
+ <<Large/bits, Large/bits, Large/bits, Large/bits,
+ Large/bits, Large/bits, Large/bits, Large/bits,
+ Large/bits>>.
+
+bs_add_overflow_unsigned() ->
+ %% Produce a large result of bs_add that goes beyond the limit of an
+ %% unsigned word. This used to succeed but produced an incorrect result
+ %% where B =:= C!
+ A = <<0:((1 bsl 32)-8)>>,
+ B = <<2, 3>>,
+ C = <<A/binary,1,B/binary>>,
+ true = byte_size(B) < byte_size(C).
+
id(I) -> I.
memsize() ->
diff --git a/erts/emulator/test/fun_SUITE.erl b/erts/emulator/test/fun_SUITE.erl
index e4640909aa..7d29ebec52 100644
--- a/erts/emulator/test/fun_SUITE.erl
+++ b/erts/emulator/test/fun_SUITE.erl
@@ -22,6 +22,7 @@
-export([all/0, suite/0,
bad_apply/1,bad_fun_call/1,badarity/1,ext_badarity/1,
+ bad_arglist/1,
equality/1,ordering/1,
fun_to_port/1,t_phash/1,t_phash2/1,md5/1,
refc/1,refc_ets/1,refc_dist/1,
@@ -39,6 +40,7 @@ suite() ->
all() ->
[bad_apply, bad_fun_call, badarity, ext_badarity,
+ bad_arglist,
equality, ordering, fun_to_port, t_phash,
t_phash2, md5, refc, refc_ets, refc_dist,
const_propagation, t_arity, t_is_function2, t_fun_info,
@@ -107,6 +109,18 @@ bad_call_fc(Fun) ->
ct:fail({bad_result,Other})
end.
+% Test erlang:apply with non-proper arg-list
+bad_arglist(Config) when is_list(Config) ->
+ Fun = fun(A,B) -> A+B end,
+ {'EXIT', {badarg,_}} = (catch apply(Fun, 17)),
+ {'EXIT', {badarg,_}} = (catch apply(Fun, [17|18])),
+ {'EXIT', {badarg,_}} = (catch apply(Fun, [17,18|19])),
+ {'EXIT', {badarg,_}} = (catch apply(lists,seq, 17)),
+ {'EXIT', {badarg,_}} = (catch apply(lists,seq, [17|18])),
+ {'EXIT', {badarg,_}} = (catch apply(lists,seq, [17,18|19])),
+ ok.
+
+
%% Call and apply valid funs with wrong number of arguments.
badarity(Config) when is_list(Config) ->
diff --git a/erts/emulator/test/iovec_SUITE.erl b/erts/emulator/test/iovec_SUITE.erl
new file mode 100644
index 0000000000..28df36d293
--- /dev/null
+++ b/erts/emulator/test/iovec_SUITE.erl
@@ -0,0 +1,175 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 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.
+%% 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(iovec_SUITE).
+
+-export([all/0, suite/0, init_per_suite/1, end_per_suite/1]).
+
+-export([integer_lists/1, binary_lists/1, empty_lists/1, empty_binary_lists/1,
+ mixed_lists/1, improper_lists/1, illegal_lists/1, cons_bomb/1,
+ iolist_to_iovec_idempotence/1, iolist_to_iovec_correctness/1]).
+
+-include_lib("common_test/include/ct.hrl").
+
+suite() ->
+ [{ct_hooks,[ts_install_cth]},
+ {timetrap, {minutes, 2}}].
+
+all() ->
+ [integer_lists, binary_lists, empty_lists, empty_binary_lists, mixed_lists,
+ illegal_lists, improper_lists, cons_bomb, iolist_to_iovec_idempotence,
+ iolist_to_iovec_correctness].
+
+init_per_suite(Config) ->
+ Config.
+
+end_per_suite(Config) ->
+ application:stop(os_mon),
+ Config.
+
+integer_lists(Config) when is_list(Config) ->
+ Variations = gen_variations([I || I <- lists:seq(1, 255)]),
+
+ equivalence_test(fun erlang:iolist_to_iovec/1, Variations),
+
+ ok.
+
+binary_lists(Config) when is_list(Config) ->
+ Variations = gen_variations([<<I:8>> || I <- lists:seq(1, 255)]),
+ equivalence_test(fun erlang:iolist_to_iovec/1, Variations),
+ ok.
+
+empty_lists(Config) when is_list(Config) ->
+ Variations = gen_variations([[] || _ <- lists:seq(1, 256)]),
+ equivalence_test(fun erlang:iolist_to_iovec/1, Variations),
+ [] = erlang:iolist_to_iovec([]),
+ ok.
+
+empty_binary_lists(Config) when is_list(Config) ->
+ Variations = gen_variations([<<>> || _ <- lists:seq(1, 8192)]),
+ equivalence_test(fun erlang:iolist_to_iovec/1, Variations),
+ [] = erlang:iolist_to_iovec(Variations),
+ ok.
+
+mixed_lists(Config) when is_list(Config) ->
+ Variations = gen_variations([<<>>, lists:seq(1, 40), <<12, 45, 78>>]),
+ equivalence_test(fun erlang:iolist_to_iovec/1, Variations),
+ ok.
+
+illegal_lists(Config) when is_list(Config) ->
+ BitStrs = gen_variations(["gurka", <<1:1>>, "gaffel"]),
+ BadInts = gen_variations(["gurka", 890, "gaffel"]),
+ Atoms = gen_variations([gurka, "gaffel"]),
+ BadTails = [["test" | 0], ["gurka", gaffel]],
+
+ Variations =
+ BitStrs ++ BadInts ++ Atoms ++ BadTails,
+
+ illegality_test(fun erlang:iolist_to_iovec/1, Variations),
+
+ ok.
+
+improper_lists(Config) when is_list(Config) ->
+ Variations = [
+ [[[[1 | <<2>>] | <<3>>] | <<4>>] | <<5>>],
+ [[<<"test">>, 3] | <<"improper tail">>],
+ [1, 2, 3 | <<"improper tail">>]
+ ],
+ equivalence_test(fun erlang:iolist_to_iovec/1, Variations),
+ ok.
+
+cons_bomb(Config) when is_list(Config) ->
+ IntBase = gen_variations([I || I <- lists:seq(1, 255)]),
+ BinBase = gen_variations([<<I:8>> || I <- lists:seq(1, 255)]),
+ MixBase = gen_variations([<<12, 45, 78>>, lists:seq(1, 255)]),
+
+ Rounds =
+ case system_mem_size() of
+ Mem when Mem >= (16 bsl 30) -> 32;
+ Mem when Mem >= (3 bsl 30) -> 28;
+ _ -> 20
+ end,
+
+ Variations = gen_variations([IntBase, BinBase, MixBase], Rounds),
+ equivalence_test(fun erlang:iolist_to_iovec/1, Variations),
+ ok.
+
+iolist_to_iovec_idempotence(Config) when is_list(Config) ->
+ IntVariations = gen_variations([I || I <- lists:seq(1, 255)]),
+ BinVariations = gen_variations([<<I:8>> || I <- lists:seq(1, 255)]),
+ MixVariations = gen_variations([<<12, 45, 78>>, lists:seq(1, 255)]),
+
+ Variations = [IntVariations, BinVariations, MixVariations],
+ Optimized = erlang:iolist_to_iovec(Variations),
+
+ true = Optimized =:= erlang:iolist_to_iovec(Optimized),
+ ok.
+
+iolist_to_iovec_correctness(Config) when is_list(Config) ->
+ IntVariations = gen_variations([I || I <- lists:seq(1, 255)]),
+ BinVariations = gen_variations([<<I:8>> || I <- lists:seq(1, 255)]),
+ MixVariations = gen_variations([<<12, 45, 78>>, lists:seq(1, 255)]),
+
+ Variations = [IntVariations, BinVariations, MixVariations],
+ Optimized = erlang:iolist_to_iovec(Variations),
+
+ true = is_iolist_equal(Optimized, Variations),
+ ok.
+
+illegality_test(Fun, Variations) ->
+ [{'EXIT',{badarg, _}} = (catch Fun(Variation)) || Variation <- Variations].
+
+equivalence_test(Fun, [Head | _] = Variations) ->
+ Comparand = Fun(Head),
+ [is_iolist_equal(Comparand, Fun(Variation)) || Variation <- Variations],
+ ok.
+
+is_iolist_equal(A, B) ->
+ iolist_to_binary(A) =:= iolist_to_binary(B).
+
+%% Generates a bunch of lists whose contents will be equal to Base repeated a
+%% few times. The lists only differ by their structure, so their reduction to
+%% a simpler format should yield the same result.
+gen_variations(Base) ->
+ gen_variations(Base, 16).
+gen_variations(Base, N) ->
+ [gen_flat_list(Base, N),
+ gen_nested_list(Base, N),
+ gen_nasty_list(Base, N)].
+
+gen_flat_list(Base, N) ->
+ lists:flatten(gen_nested_list(Base, N)).
+
+gen_nested_list(Base, N) ->
+ [Base || _ <- lists:seq(1, N)].
+
+gen_nasty_list(Base, N) ->
+ gen_nasty_list_1(gen_nested_list(Base, N), []).
+gen_nasty_list_1([], Result) ->
+ Result;
+gen_nasty_list_1([Head | Base], Result) when is_list(Head) ->
+ gen_nasty_list_1(Base, [[Result], [gen_nasty_list_1(Head, [])]]);
+gen_nasty_list_1([Head | Base], Result) ->
+ gen_nasty_list_1(Base, [[Result], [Head]]).
+
+system_mem_size() ->
+ application:ensure_all_started(os_mon),
+ {Tot,_Used,_} = memsup:get_memory_data(),
+ Tot.
diff --git a/erts/emulator/test/lcnt_SUITE.erl b/erts/emulator/test/lcnt_SUITE.erl
new file mode 100644
index 0000000000..504b9b54cf
--- /dev/null
+++ b/erts/emulator/test/lcnt_SUITE.erl
@@ -0,0 +1,156 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 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.
+%% 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(lcnt_SUITE).
+
+-include_lib("common_test/include/ct.hrl").
+
+-export(
+ [all/0, suite/0,
+ init_per_suite/1, end_per_suite/1,
+ init_per_testcase/2, end_per_testcase/2]).
+
+-export(
+ [toggle_lock_counting/1, error_on_invalid_category/1, preserve_locks/1]).
+
+suite() ->
+ [{ct_hooks,[ts_install_cth]},
+ {timetrap, {seconds, 10}}].
+
+all() ->
+ [toggle_lock_counting, error_on_invalid_category, preserve_locks].
+
+init_per_suite(Config) ->
+ case erlang:system_info(lock_counting) of
+ true ->
+ %% The tests will run straight over these properties, so we have to
+ %% preserve them to avoid tainting the other tests.
+ OldCopySave = erts_debug:lcnt_control(copy_save),
+ OldMask = erts_debug:lcnt_control(mask),
+ [{lcnt_SUITE, {OldCopySave, OldMask}} | Config];
+ _ ->
+ {skip, "Lock counting is not enabled"}
+ end.
+
+end_per_suite(Config) ->
+ {OldCopySave, OldMask} = proplists:get_value(lcnt_SUITE, Config),
+
+ erts_debug:lcnt_control(copy_save, OldCopySave),
+ OldCopySave = erts_debug:lcnt_control(copy_save),
+
+ erts_debug:lcnt_control(mask, OldMask),
+ OldMask = erts_debug:lcnt_control(mask),
+
+ erts_debug:lcnt_clear(),
+ ok.
+
+init_per_testcase(_Case, Config) ->
+ disable_lock_counting(),
+ Config.
+
+end_per_testcase(_Case, _Config) ->
+ ok.
+
+disable_lock_counting() ->
+ ok = erts_debug:lcnt_control(copy_save, false),
+ ok = erts_debug:lcnt_control(mask, []),
+ ok = erts_debug:lcnt_clear(),
+
+ %% Sanity check.
+ false = erts_debug:lcnt_control(copy_save),
+ [] = erts_debug:lcnt_control(mask),
+
+ %% The above commands rely on some lazy operations, so we'll have to wait
+ %% for the list to clear.
+ ok = wait_for_empty_lock_list().
+
+wait_for_empty_lock_list() ->
+ wait_for_empty_lock_list(10).
+wait_for_empty_lock_list(Tries) when Tries > 0 ->
+ try_flush_cleanup_ops(),
+ case erts_debug:lcnt_collect() of
+ [{duration, _}, {locks, []}] ->
+ ok;
+ _ ->
+ timer:sleep(50),
+ wait_for_empty_lock_list(Tries - 1)
+ end;
+wait_for_empty_lock_list(0) ->
+ ct:fail("Lock list failed to clear after disabling lock counting.").
+
+%% Queue up a lot of thread progress cleanup ops in a vain attempt to
+%% flush the lock list.
+try_flush_cleanup_ops() ->
+ false = lists:member(process, erts_debug:lcnt_control(mask)),
+ [spawn(fun() -> ok end) || _ <- lists:seq(1, 1000)].
+
+%%
+%% Test cases
+%%
+
+toggle_lock_counting(Config) when is_list(Config) ->
+ Categories =
+ [allocator, db, debug, distribution, generic, io, process, scheduler],
+ lists:foreach(
+ fun(Category) ->
+ Locks = get_lock_info_for(Category),
+ if
+ Locks =/= [] ->
+ disable_lock_counting();
+ Locks =:= [] ->
+ ct:fail("Failed to toggle ~p locks.", [Category])
+ end
+ end, Categories).
+
+get_lock_info_for(Categories) when is_list(Categories) ->
+ ok = erts_debug:lcnt_control(mask, Categories),
+ [{duration, _}, {locks, Locks}] = erts_debug:lcnt_collect(),
+ Locks;
+
+get_lock_info_for(Category) when is_atom(Category) ->
+ get_lock_info_for([Category]).
+
+preserve_locks(Config) when is_list(Config) ->
+ erts_debug:lcnt_control(mask, [process]),
+
+ erts_debug:lcnt_control(copy_save, true),
+ [spawn(fun() -> ok end) || _ <- lists:seq(1, 1000)],
+
+ %% Wait for the processes to be fully destroyed before disabling copy_save,
+ %% then remove all active locks from the list. (There's no foolproof method
+ %% to do this; sleeping before/after is the best way we have)
+ timer:sleep(500),
+
+ erts_debug:lcnt_control(copy_save, false),
+ erts_debug:lcnt_control(mask, []),
+
+ try_flush_cleanup_ops(),
+ timer:sleep(500),
+
+ case erts_debug:lcnt_collect() of
+ [{duration, _}, {locks, Locks}] when length(Locks) > 0 ->
+ ct:pal("Preserved ~p locks.", [length(Locks)]);
+ [{duration, _}, {locks, []}] ->
+ ct:fail("copy_save didn't preserve any locks.")
+ end.
+
+error_on_invalid_category(Config) when is_list(Config) ->
+ {error, badarg, q_invalid} = erts_debug:lcnt_control(mask, [q_invalid]),
+ ok.
diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl
index 05c250125d..4811244b98 100644
--- a/erts/emulator/test/nif_SUITE.erl
+++ b/erts/emulator/test/nif_SUITE.erl
@@ -61,7 +61,8 @@
nif_internal_hash_salted/1,
nif_phash2/1,
nif_whereis/1, nif_whereis_parallel/1,
- nif_whereis_threaded/1, nif_whereis_proxy/1
+ nif_whereis_threaded/1, nif_whereis_proxy/1,
+ nif_ioq/1
]).
-export([many_args_100/100]).
@@ -99,7 +100,8 @@ all() ->
nif_internal_hash,
nif_internal_hash_salted,
nif_phash2,
- nif_whereis, nif_whereis_parallel, nif_whereis_threaded].
+ nif_whereis, nif_whereis_parallel, nif_whereis_threaded,
+ nif_ioq].
groups() ->
[{G, [], api_repeaters()} || G <- api_groups()]
@@ -2886,11 +2888,15 @@ nif_whereis_parallel(Config) when is_list(Config) ->
true = lists:all(PidReg, Procs),
%% tell them all to 'fire' as fast as we can
- [P ! {Ref, send_proc} || {_, P, _} <- Procs],
+ repeat(10, fun(_) ->
+ [P ! {Ref, send_proc} || {_, P, _} <- Procs]
+ end, void),
%% each gets forwarded through two processes
- true = lists:all(RecvNum, NSeq),
- true = lists:all(RecvNum, NSeq),
+ 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],
@@ -2953,6 +2959,180 @@ 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},
+
+ %% Test to enqueue a bunch of refc binaries
+ {enqv, a, [nif_ioq_payload(refcbin) || _ <- lists:seq(1,20)], 0},
+
+ %% 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) | 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(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.
%% The NIFs:
lib_version() -> undefined.
@@ -3028,6 +3208,10 @@ 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.
diff --git a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
index 307d1c390f..b47d013bd2 100644
--- a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
+++ b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
@@ -186,6 +186,12 @@ static ErlNifResourceTypeInit frenzy_rt_init = {
static ErlNifResourceType* whereis_resource_type;
static void whereis_thread_resource_dtor(ErlNifEnv* env, void* obj);
+static ErlNifResourceType* ioq_resource_type;
+
+static void ioq_resource_dtor(ErlNifEnv* env, void* obj);
+struct ioq_resource {
+ ErlNifIOQueue *q;
+};
static int get_pointer(ErlNifEnv* env, ERL_NIF_TERM term, void** pp)
{
@@ -243,6 +249,10 @@ static int load(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info)
whereis_resource_type = enif_open_resource_type(env, NULL, "nif_SUITE.whereis",
whereis_thread_resource_dtor, ERL_NIF_RT_CREATE, NULL);
+ ioq_resource_type = enif_open_resource_type(env,NULL,"ioq",
+ ioq_resource_dtor,
+ ERL_NIF_RT_CREATE, NULL);
+
atom_false = enif_make_atom(env,"false");
atom_true = enif_make_atom(env,"true");
atom_self = enif_make_atom(env,"self");
@@ -2430,7 +2440,6 @@ static ERL_NIF_TERM format_term(ErlNifEnv* env, int argc, const ERL_NIF_TERM arg
return enif_make_binary(env,&obin);
}
-
static int get_fd(ErlNifEnv* env, ERL_NIF_TERM term, struct fd_resource** rsrc)
{
if (!enif_get_resource(env, term, fd_resource_type, (void**)rsrc)) {
@@ -3158,7 +3167,231 @@ static void frenzy_resource_down(ErlNifEnv* env, void* obj, ErlNifPid* pid,
abort();
}
+/*********** testing ioq ************/
+
+static void ioq_resource_dtor(ErlNifEnv* env, void* obj) {
+
+}
+
+#ifndef __WIN32__
+static int writeiovec(ErlNifEnv *env, ERL_NIF_TERM term, ERL_NIF_TERM *tail, ErlNifIOQueue *q, int fd) {
+ ErlNifIOVec vec, *iovec = &vec;
+ SysIOVec *sysiovec;
+ int saved_errno;
+ int iovcnt, n;
+
+ if (!enif_inspect_iovec(env, 64, term, tail, &iovec))
+ return -2;
+
+ if (enif_ioq_size(q) > 0) {
+ /* If the I/O queue contains data we enqueue the iovec and then
+ peek the data to write out of the queue. */
+ if (!enif_ioq_enqv(q, iovec, 0))
+ return -3;
+
+ sysiovec = enif_ioq_peek(q, &iovcnt);
+ } else {
+ /* If the I/O queue is empty we skip the trip through it. */
+ iovcnt = iovec->iovcnt;
+ sysiovec = iovec->iov;
+ }
+
+ /* Attempt to write the data */
+ n = writev(fd, sysiovec, iovcnt);
+ saved_errno = errno;
+
+ if (enif_ioq_size(q) == 0) {
+ /* If the I/O queue was initially empty we enqueue any
+ remaining data into the queue for writing later. */
+ if (n >= 0 && !enif_ioq_enqv(q, iovec, n))
+ return -3;
+ } else {
+ /* Dequeue any data that was written from the queue. */
+ if (n > 0 && !enif_ioq_deq(q, n, NULL))
+ return -4;
+ }
+
+ /* return n, which is either number of bytes written or -1 if
+ some error happened */
+ errno = saved_errno;
+ return n;
+}
+#endif
+
+static ERL_NIF_TERM ioq(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{
+ struct ioq_resource *ioq;
+ ERL_NIF_TERM ret;
+ if (enif_is_identical(argv[0], enif_make_atom(env, "create"))) {
+ ErlNifIOQueue *q = enif_ioq_create(ERL_NIF_IOQ_NORMAL);
+ ioq = (struct ioq_resource *)enif_alloc_resource(ioq_resource_type,
+ sizeof(*ioq));
+ ioq->q = q;
+ ret = enif_make_resource(env, ioq);
+ enif_release_resource(ioq);
+ return ret;
+ } else if (enif_is_identical(argv[0], enif_make_atom(env, "inspect"))) {
+ ErlNifIOVec vec, *iovec = NULL;
+ int i, iovcnt;
+ ERL_NIF_TERM *elems, tail, list;
+ ErlNifEnv *myenv = NULL;
+
+ if (enif_is_identical(argv[2], enif_make_atom(env, "use_stack")))
+ iovec = &vec;
+ if (enif_is_identical(argv[3], enif_make_atom(env, "use_env")))
+ myenv = env;
+ if (!enif_inspect_iovec(myenv, ~(size_t)0, argv[1], &tail, &iovec))
+ return enif_make_badarg(env);
+
+ iovcnt = iovec->iovcnt;
+ elems = enif_alloc(sizeof(ERL_NIF_TERM) * iovcnt);
+
+ for (i = 0; i < iovcnt; i++) {
+ ErlNifBinary bin;
+ if (!enif_alloc_binary(iovec->iov[i].iov_len, &bin)) {
+ enif_free_iovec(iovec);
+ enif_free(elems);
+ return enif_make_badarg(env);
+ }
+ memcpy(bin.data, iovec->iov[i].iov_base, iovec->iov[i].iov_len);
+ elems[i] = enif_make_binary(env, &bin);
+ }
+
+ if (!myenv)
+ enif_free_iovec(iovec);
+
+ list = enif_make_list_from_array(env, elems, iovcnt);
+ enif_free(elems);
+ return list;
+ } else {
+ unsigned skip;
+ if (!enif_get_resource(env, argv[1], ioq_resource_type, (void**)&ioq)
+ || !ioq->q)
+ return enif_make_badarg(env);
+
+ if (enif_is_identical(argv[0], enif_make_atom(env, "example"))) {
+#ifndef __WIN32__
+ int fd[2], res = 0, cnt = 0, queue_cnt;
+ ERL_NIF_TERM tail;
+ char buff[255];
+ pipe(fd);
+ fcntl(fd[0], F_SETFL, fcntl(fd[0], F_GETFL) | O_NONBLOCK);
+ fcntl(fd[1], F_SETFL, fcntl(fd[1], F_GETFL) | O_NONBLOCK);
+
+ /* Write until the pipe buffer is full, which should result in data
+ * being queued up. */
+ for (res = 0; res >= 0; ) {
+ cnt += res;
+ res = writeiovec(env, argv[2], &tail, ioq->q, fd[1]);
+ }
+
+ /* Flush the queue while reading from the other end of the pipe. */
+ tail = enif_make_list(env, 0);
+ while (enif_ioq_size(ioq->q) > 0) {
+ res = writeiovec(env, tail, &tail, ioq->q, fd[1]);
+ if (res < 0 && errno != EAGAIN) {
+ break;
+ } else if (res > 0) {
+ cnt += res;
+ }
+
+ for (res = 0; res >= 0; ) {
+ cnt -= res;
+ res = read(fd[0], buff, sizeof(buff));
+ }
+ }
+
+ close(fd[0]);
+ close(fd[1]);
+
+ /* Check that we read as much as we wrote */
+ if (cnt == 0 && enif_ioq_size(ioq->q) == 0)
+ return enif_make_atom(env, "true");
+
+ return enif_make_int(env, cnt);
+#else
+ return enif_make_atom(env, "true");
+#endif
+ }
+ if (enif_is_identical(argv[0], enif_make_atom(env, "destroy"))) {
+ enif_ioq_destroy(ioq->q);
+ ioq->q = NULL;
+ return enif_make_atom(env, "false");
+ } else if (enif_is_identical(argv[0], enif_make_atom(env, "enqv"))) {
+ ErlNifIOVec vec, *iovec = &vec;
+ ERL_NIF_TERM tail;
+
+ if (!enif_get_uint(env, argv[3], &skip))
+ return enif_make_badarg(env);
+ if (!enif_inspect_iovec(env, ~0ul, argv[2], &tail, &iovec))
+ return enif_make_badarg(env);
+ if (!enif_ioq_enqv(ioq->q, iovec, skip))
+ return enif_make_badarg(env);
+
+ return enif_make_atom(env, "true");
+ } else if (enif_is_identical(argv[0], enif_make_atom(env, "enqb"))) {
+ ErlNifBinary bin;
+ if (!enif_get_uint(env, argv[3], &skip) ||
+ !enif_inspect_binary(env, argv[2], &bin))
+ return enif_make_badarg(env);
+
+ if (!enif_ioq_enq_binary(ioq->q, &bin, skip))
+ return enif_make_badarg(env);
+
+ return enif_make_atom(env, "true");
+ } else if (enif_is_identical(argv[0], enif_make_atom(env, "enqbraw"))) {
+ ErlNifBinary bin;
+ ErlNifBinary localbin;
+ int i;
+ if (!enif_get_uint(env, argv[3], &skip) ||
+ !enif_inspect_binary(env, argv[2], &bin) ||
+ !enif_alloc_binary(bin.size, &localbin))
+ return enif_make_badarg(env);
+
+ memcpy(localbin.data, bin.data, bin.size);
+ i = enif_ioq_enq_binary(ioq->q, &localbin, skip);
+ if (!i)
+ return enif_make_badarg(env);
+ else
+ return enif_make_atom(env, "true");
+ } else if (enif_is_identical(argv[0], enif_make_atom(env, "peek"))) {
+ int iovlen, num, i, off = 0;
+ SysIOVec *iov = enif_ioq_peek(ioq->q, &iovlen);
+ ErlNifBinary bin;
+
+ if (!enif_get_int(env, argv[2], &num) || !enif_alloc_binary(num, &bin))
+ return enif_make_badarg(env);
+
+ for (i = 0; i < iovlen && num > 0; i++) {
+ int to_copy = num < iov[i].iov_len ? num : iov[i].iov_len;
+ memcpy(bin.data + off, iov[i].iov_base, to_copy);
+ num -= to_copy;
+ off += to_copy;
+ }
+
+ return enif_make_binary(env, &bin);
+ } else if (enif_is_identical(argv[0], enif_make_atom(env, "deq"))) {
+ int num;
+ size_t sz;
+ ErlNifUInt64 sz64;
+ if (!enif_get_int(env, argv[2], &num))
+ return enif_make_badarg(env);
+
+ if (!enif_ioq_deq(ioq->q, num, &sz))
+ return enif_make_badarg(env);
+
+ sz64 = sz;
+
+ return enif_make_uint64(env, sz64);
+ } else if (enif_is_identical(argv[0], enif_make_atom(env, "size"))) {
+ ErlNifUInt64 size = enif_ioq_size(ioq->q);
+ return enif_make_uint64(env, size);
+ }
+ }
+
+ return enif_make_badarg(env);
+}
static ErlNifFunc nif_funcs[] =
{
@@ -3255,7 +3488,11 @@ static ErlNifFunc nif_funcs[] =
{"whereis_send", 3, whereis_send},
{"whereis_term", 2, whereis_term},
{"whereis_thd_lookup", 2, whereis_thd_lookup},
- {"whereis_thd_result", 1, whereis_thd_result}
+ {"whereis_thd_result", 1, whereis_thd_result},
+ {"ioq_nif", 1, ioq},
+ {"ioq_nif", 2, ioq},
+ {"ioq_nif", 3, ioq},
+ {"ioq_nif", 4, ioq}
};
ERL_NIF_INIT(nif_SUITE,nif_funcs,load,NULL,upgrade,unload)
diff --git a/erts/emulator/test/port_SUITE.erl b/erts/emulator/test/port_SUITE.erl
index f512fa3a57..730a17d7e8 100644
--- a/erts/emulator/test/port_SUITE.erl
+++ b/erts/emulator/test/port_SUITE.erl
@@ -86,6 +86,7 @@
cd_relative/1,
close_deaf_port/1,
count_fds/1,
+ dropped_commands/1,
dying_port/1,
env/1,
eof/1,
@@ -158,7 +159,7 @@ suite() ->
all() ->
[otp_6224, {group, stream}, basic_ping, slow_writes,
bad_packet, bad_port_messages, {group, options},
- {group, multiple_packets}, parallell, dying_port,
+ {group, multiple_packets}, parallell, dying_port, dropped_commands,
port_program_with_path, open_input_file_port,
open_output_file_port, name1, env, huge_env, bad_env, cd,
cd_relative, pipe_limit_env, bad_args,
@@ -548,6 +549,47 @@ make_dying_port(Config) when is_list(Config) ->
Command = lists:concat([PortTest, " -h0 -d -q"]),
open_port({spawn, Command}, [stream]).
+%% Test that dropped port_commands work correctly.
+%% This used to cause a segfault.
+%%
+%% This testcase creates a port and then lets many processes
+%% do parallel commands to it. After a while it closes the
+%% port and we are trying to catch the race when doing a
+%% command while the port is closing.
+dropped_commands(Config) ->
+ %% Test with output callback
+ dropped_commands(Config, false, {self(), {command, "1"}}),
+ %% Test with outputv callback
+ dropped_commands(Config, true, {self(), {command, "1"}}).
+
+dropped_commands(Config, Outputv, Cmd) ->
+ Path = proplists:get_value(data_dir, Config),
+ os:putenv("ECHO_DRV_USE_OUTPUTV", atom_to_list(Outputv)),
+ ok = load_driver(Path, "echo_drv"),
+ [dropped_commands_test(Cmd) || _ <- lists:seq(1, 100)],
+ timer:sleep(100),
+ erl_ddll:unload_driver("echo_drv"),
+ os:unsetenv("ECHO_DRV_USE_OUTPUTV"),
+ ok.
+
+dropped_commands_test(Cmd) ->
+ spawn_monitor(
+ fun() ->
+ Port = erlang:open_port({spawn_driver, "echo_drv"},
+ [{parallelism, true}]),
+ [spawn_link(fun() -> spin(Port, Cmd) end) || _ <- lists:seq(1,8)],
+ timer:sleep(5),
+ port_close(Port),
+ timer:sleep(5),
+ exit(nok)
+ end),
+ receive _M -> timer:sleep(5) end.
+
+spin(P, Cmd) ->
+ P ! Cmd,
+ spin(P, Cmd).
+
+
%% Tests that port program with complete path (but without any
%% .exe extension) can be started, even if there is a file with
%% the same name but without the extension in the same directory.
diff --git a/erts/emulator/test/port_SUITE_data/echo_drv.c b/erts/emulator/test/port_SUITE_data/echo_drv.c
index 1d39c6a00c..b4370f6455 100644
--- a/erts/emulator/test/port_SUITE_data/echo_drv.c
+++ b/erts/emulator/test/port_SUITE_data/echo_drv.c
@@ -18,8 +18,11 @@ typedef struct _erl_drv_data EchoDrvData;
static EchoDrvData *echo_drv_start(ErlDrvPort port, char *command);
static void echo_drv_stop(EchoDrvData *data_p);
-static void echo_drv_output(ErlDrvData drv_data, char *buf,
- ErlDrvSizeT len);
+static void echo_drv_output(ErlDrvData drv_data, char *buf, ErlDrvSizeT len);
+static ErlDrvSSizeT echo_control(ErlDrvData drv_data,
+ unsigned int command, char *buf,
+ ErlDrvSizeT len, char **rbuf, ErlDrvSizeT rlen);
+static void echo_outputv(ErlDrvData drv_data, ErlIOVec *ev);
static void echo_drv_finish(void);
static ErlDrvEntry echo_drv_entry = {
@@ -32,9 +35,9 @@ static ErlDrvEntry echo_drv_entry = {
"echo_drv",
echo_drv_finish,
NULL, /* handle */
- NULL, /* control */
+ echo_control, /* control */
NULL, /* timeout */
- NULL, /* outputv */
+ echo_outputv, /* outputv */
NULL, /* ready_async */
NULL,
NULL,
@@ -56,6 +59,14 @@ static ErlDrvEntry echo_drv_entry = {
DRIVER_INIT(echo_drv)
{
+ char buf[10];
+ size_t bufsz = sizeof(buf);
+ char *use_outputv;
+ use_outputv = (erl_drv_getenv("ECHO_DRV_USE_OUTPUTV", buf, &bufsz) == 0
+ ? buf
+ : "false");
+ if (strcmp(use_outputv, "true") != 0)
+ echo_drv_entry.outputv = NULL;
return &echo_drv_entry;
}
@@ -87,3 +98,15 @@ static void echo_drv_output(ErlDrvData drv_data, char *buf, ErlDrvSizeT len) {
static void echo_drv_finish() {
}
+
+static ErlDrvSSizeT echo_control(ErlDrvData drv_data,
+ unsigned int command, char *buf,
+ ErlDrvSizeT len, char **rbuf, ErlDrvSizeT rlen)
+{
+ return 0;
+}
+
+static void echo_outputv(ErlDrvData drv_data, ErlIOVec *ev)
+{
+ return;
+}
diff --git a/erts/emulator/test/process_SUITE.erl b/erts/emulator/test/process_SUITE.erl
index 6ded7ff1c9..a9f20f9928 100644
--- a/erts/emulator/test/process_SUITE.erl
+++ b/erts/emulator/test/process_SUITE.erl
@@ -152,7 +152,11 @@ spawn_with_binaries(Config) when is_list(Config) ->
TwoMeg = lists:duplicate(1024, L),
Fun = fun() -> spawn(?MODULE, binary_owner, [list_to_binary(TwoMeg)]),
receive after 1 -> ok end end,
- test_server:do_times(150, Fun),
+ Iter = case test_server:is_valgrind() of
+ true -> 10;
+ false -> 150
+ end,
+ test_server:do_times(Iter, Fun),
ok.
binary_owner(Bin) when is_binary(Bin) ->
diff --git a/erts/emulator/test/register_SUITE.erl b/erts/emulator/test/register_SUITE.erl
index 43ae749498..49da94a775 100644
--- a/erts/emulator/test/register_SUITE.erl
+++ b/erts/emulator/test/register_SUITE.erl
@@ -44,14 +44,7 @@ all() ->
-define(OTP_8099_NAME, otp_8099_reg_proc).
otp_8099(Config) when is_list(Config) ->
- case catch erlang:system_info(lock_counting) of
- true -> {skipped,
- "Lock counting enabled. Current lock counting "
- "implementation cannot handle this many "
- "processes."};
- _ ->
- otp_8099_test(1000000)
- end.
+ otp_8099_test(1000000).
otp_8099_test(0) ->
ok;
diff --git a/erts/emulator/test/statistics_SUITE.erl b/erts/emulator/test/statistics_SUITE.erl
index 7690557fda..40cc940a94 100644
--- a/erts/emulator/test/statistics_SUITE.erl
+++ b/erts/emulator/test/statistics_SUITE.erl
@@ -23,8 +23,10 @@
%% Tests the statistics/1 bif.
-export([all/0, suite/0, groups/0,
+ wall_clock_sanity/1,
wall_clock_zero_diff/1, wall_clock_update/1,
- runtime_zero_diff/1,
+ runtime_sanity/1,
+ runtime_zero_diff/1,
runtime_update/1, runtime_diff/1,
run_queue_one/1,
scheduler_wall_time/1,
@@ -54,11 +56,23 @@ all() ->
groups() ->
[{wall_clock, [],
- [wall_clock_zero_diff, wall_clock_update]},
+ [wall_clock_sanity, wall_clock_zero_diff, wall_clock_update]},
{runtime, [],
- [runtime_zero_diff, runtime_update, runtime_diff]},
+ [runtime_sanity, runtime_zero_diff, runtime_update, runtime_diff]},
{run_queue, [], [run_queue_one]}].
+wall_clock_sanity(Config) when is_list(Config) ->
+ erlang:yield(),
+ {WallClock, _} = statistics(wall_clock),
+ MT = erlang:monotonic_time(),
+ Time = erlang:convert_time_unit(MT - erlang:system_info(start_time),
+ native, millisecond),
+ io:format("Time=~p WallClock=~p~n",
+ [Time, WallClock]),
+ true = WallClock =< Time,
+ true = Time - 100 =< WallClock,
+ ok.
+
%%% Testing statistics(wall_clock).
%% Tests that the 'Wall clock since last call' element of the result
@@ -102,6 +116,20 @@ wall_clock_update1(0) ->
%%% Test statistics(runtime).
+runtime_sanity(Config) when is_list(Config) ->
+ case erlang:system_info(logical_processors_available) of
+ unknown ->
+ {skipped, "Don't know available logical processors"};
+ LP when is_integer(LP) ->
+ erlang:yield(),
+ {RunTime, _} = statistics(runtime),
+ MT = erlang:monotonic_time(),
+ Time = erlang:convert_time_unit(MT - erlang:system_info(start_time),
+ native, millisecond),
+ io:format("Time=~p RunTime=~p~n",
+ [Time, RunTime]),
+ true = RunTime =< Time*LP
+ end.
%% Tests that the difference between the times returned from two consectuitive
%% calls to statistics(runtime) is zero.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 00:19:10 +0000