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-rw-r--r--erts/emulator/test/Makefile1
-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/fun_SUITE.erl14
-rw-r--r--erts/emulator/test/lcnt_SUITE.erl156
-rw-r--r--erts/emulator/test/nif_SUITE.erl10
-rw-r--r--erts/emulator/test/port_SUITE.erl40
-rw-r--r--erts/emulator/test/port_SUITE_data/echo_drv.c31
-rw-r--r--erts/emulator/test/register_SUITE.erl9
9 files changed, 334 insertions, 15 deletions
diff --git a/erts/emulator/test/Makefile b/erts/emulator/test/Makefile
index fcd7244ae9..370fcb0f3a 100644
--- a/erts/emulator/test/Makefile
+++ b/erts/emulator/test/Makefile
@@ -73,6 +73,7 @@ MODULES= \
hipe_SUITE \
list_bif_SUITE \
lttng_SUITE \
+ lcnt_SUITE \
map_SUITE \
match_spec_SUITE \
module_info_SUITE \
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/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/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..0337274178 100644
--- a/erts/emulator/test/nif_SUITE.erl
+++ b/erts/emulator/test/nif_SUITE.erl
@@ -2886,11 +2886,15 @@ 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],
diff --git a/erts/emulator/test/port_SUITE.erl b/erts/emulator/test/port_SUITE.erl
index f512fa3a57..ab0b1a82bd 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,
@@ -548,6 +549,45 @@ 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"),
+ ok.
+
+dropped_commands_test(Cmd) ->
+ Port = erlang:open_port({spawn_driver, "echo_drv"}, [{parallelism, true}]),
+ spawn_monitor(
+ fun() ->
+ [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/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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-31 10:59:10 +0000