diff options
Diffstat (limited to 'erts/emulator/test/trace_SUITE.erl')
| -rw-r--r-- | erts/emulator/test/trace_SUITE.erl | 80 |
1 files changed, 61 insertions, 19 deletions
diff --git a/erts/emulator/test/trace_SUITE.erl b/erts/emulator/test/trace_SUITE.erl index f846b0f4b9..a81aa64057 100644 --- a/erts/emulator/test/trace_SUITE.erl +++ b/erts/emulator/test/trace_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2016. All Rights Reserved. +%% Copyright Ericsson AB 1997-2017. 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. @@ -24,7 +24,8 @@ %%% Tests the trace BIF. %%% --export([all/0, suite/0, link_receive_call_correlation/0, +-export([all/0, suite/0, init_per_testcase/2, end_per_testcase/2, + link_receive_call_correlation/0, receive_trace/1, link_receive_call_correlation/1, self_send/1, timeout_trace/1, send_trace/1, procs_trace/1, dist_procs_trace/1, procs_new_trace/1, @@ -37,7 +38,7 @@ system_monitor_long_gc_1/1, system_monitor_long_gc_2/1, system_monitor_large_heap_1/1, system_monitor_large_heap_2/1, system_monitor_long_schedule/1, - bad_flag/1, trace_delivered/1]). + bad_flag/1, trace_delivered/1, trap_exit_self_receive/1]). -include_lib("common_test/include/ct.hrl"). @@ -46,7 +47,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}, - {timetrap, {seconds, 5}}]. + {timetrap, {minutes, 1}}]. all() -> [cpu_timestamp, receive_trace, link_receive_call_correlation, @@ -60,8 +61,17 @@ all() -> more_system_monitor_args, system_monitor_long_gc_1, system_monitor_long_gc_2, system_monitor_large_heap_1, system_monitor_long_schedule, - system_monitor_large_heap_2, bad_flag, trace_delivered]. + system_monitor_large_heap_2, bad_flag, trace_delivered, + trap_exit_self_receive]. +init_per_testcase(_Case, Config) -> + [{receiver,spawn(fun receiver/0)}|Config]. + +end_per_testcase(_Case, Config) -> + Receiver = proplists:get_value(receiver, Config), + unlink(Receiver), + exit(Receiver, die), + ok. %% No longer testing anything, just reporting whether cpu_timestamp %% is enabled or not. @@ -83,7 +93,7 @@ cpu_timestamp(Config) when is_list(Config) -> %% Tests that trace(Pid, How, ['receive']) works. receive_trace(Config) when is_list(Config) -> - Receiver = fun_spawn(fun receiver/0), + Receiver = proplists:get_value(receiver, Config), %% Trace the process; make sure that we receive the trace messages. 1 = erlang:trace(Receiver, true, ['receive']), @@ -184,10 +194,10 @@ receive_trace(Config) when is_list(Config) -> {'EXIT', Intruder, {badarg, _}} = receive_first(), %% Untrace the process; we should not receive anything. - ?line 1 = erlang:trace(Receiver, false, ['receive']), - ?line Receiver ! {hello, there}, - ?line Receiver ! any_garbage, - ?line receive_nothing(), + 1 = erlang:trace(Receiver, false, ['receive']), + Receiver ! {hello, there}, + Receiver ! any_garbage, + receive_nothing(), %% Verify restrictions in matchspec for 'receive' F3 = fun (Pat) -> {'EXIT', {badarg,_}} = (catch erlang:trace_pattern('receive', Pat, [])) end, @@ -353,7 +363,7 @@ timeout_trace(Config) when is_list(Config) -> send_trace(Config) when is_list(Config) -> process_flag(trap_exit, true), Sender = fun_spawn(fun sender/0), - Receiver = fun_spawn(fun receiver/0), + Receiver = proplists:get_value(receiver, Config), %% Check that a message sent to another process is traced. 1 = erlang:trace(Sender, true, [send]), @@ -733,7 +743,7 @@ set_on_first_spawn(Config) when is_list(Config) -> %% Tests trace(Pid, How, [set_on_link]). -set_on_link(Config) -> +set_on_link(_Config) -> Listener = fun_spawn(fun process/0), %% Create and trace a process with the set_on_link flag. @@ -756,7 +766,7 @@ set_on_link(Config) -> %% Tests trace(Pid, How, [set_on_first_spawn]). -set_on_first_link(Config) -> +set_on_first_link(_Config) -> ct:timetrap({seconds, 10}), Listener = fun_spawn(fun process/0), @@ -1604,7 +1614,8 @@ suspend_waiting(Config) when is_list(Config) -> %% Test that erlang:trace(new, true, ...) is cleared when tracer dies. new_clear(Config) when is_list(Config) -> - Tracer = spawn(fun receiver/0), + Tracer = proplists:get_value(receiver, Config), + 0 = erlang:trace(new, true, [send, {tracer, Tracer}]), {flags, [send]} = erlang:trace_info(new, flags), {tracer, Tracer} = erlang:trace_info(new, tracer), @@ -1623,7 +1634,7 @@ new_clear(Config) when is_list(Config) -> existing_clear(Config) when is_list(Config) -> Self = self(), - Tracer = fun_spawn(fun receiver/0), + Tracer = proplists:get_value(receiver, Config), N = erlang:trace(existing, true, [send, {tracer, Tracer}]), {flags, [send]} = erlang:trace_info(Self, flags), {tracer, Tracer} = erlang:trace_info(Self, tracer), @@ -1639,27 +1650,30 @@ existing_clear(Config) when is_list(Config) -> %% Test that erlang:trace/3 can be called on processes where the %% tracer has died. OTP-13928 tracer_die(Config) when is_list(Config) -> - Proc = spawn(fun receiver/0), + Proc = spawn_link(fun receiver/0), - Tracer = spawn(fun receiver/0), + Tracer = spawn_link(fun receiver/0), timer:sleep(1), N = erlang:trace(existing, true, [send, {tracer, Tracer}]), {flags, [send]} = erlang:trace_info(Proc, flags), {tracer, Tracer} = erlang:trace_info(Proc, tracer), + unlink(Tracer), exit(Tracer, die), - Tracer2 = spawn(fun receiver/0), + Tracer2 = spawn_link(fun receiver/0), timer:sleep(1), N = erlang:trace(existing, true, [send, {tracer, Tracer2}]), {flags, [send]} = erlang:trace_info(Proc, flags), {tracer, Tracer2} = erlang:trace_info(Proc, tracer), + unlink(Tracer2), exit(Tracer2, die), - Tracer3 = spawn(fun receiver/0), + Tracer3 = spawn_link(fun receiver/0), timer:sleep(1), 1 = erlang:trace(Proc, true, [send, {tracer, Tracer3}]), {flags, [send]} = erlang:trace_info(Proc, flags), {tracer, Tracer3} = erlang:trace_info(Proc, tracer), + unlink(Tracer3), exit(Tracer3, die), ok. @@ -1696,6 +1710,31 @@ trace_delivered(Config) when is_list(Config) -> ok end. +%% This testcase checks that receive trace works on exit signal messages +%% when the sender of the exit signal is the process itself. +trap_exit_self_receive(Config) -> + Parent = self(), + Proc = spawn_link(fun() -> process(Parent) end), + + 1 = erlang:trace(Proc, true, ['receive']), + Proc ! {trap_exit_please, true}, + {trace, Proc, 'receive', {trap_exit_please, true}} = receive_first_trace(), + + %% Make the process call exit(self(), signal) + Reason1 = make_ref(), + Proc ! {exit_signal_please, Reason1}, + {trace, Proc, 'receive', {exit_signal_please, Reason1}} = receive_first_trace(), + {trace, Proc, 'receive', {'EXIT', Proc, Reason1}} = receive_first_trace(), + receive {Proc, {'EXIT', Proc, Reason1}} -> ok end, + receive_nothing(), + + unlink(Proc), + Reason2 = make_ref(), + Proc ! {exit_please, Reason2}, + {trace, Proc, 'receive', {exit_please, Reason2}} = receive_first_trace(), + receive_nothing(), + ok. + drop_trace_until_down(Proc, Mon) -> drop_trace_until_down(Proc, Mon, false, 0, 0). @@ -1778,6 +1817,9 @@ process(Dest) -> process(Dest); {exit_please, Reason} -> exit(Reason); + {exit_signal_please, Reason} -> + exit(self(), Reason), + process(Dest); {trap_exit_please, State} -> process_flag(trap_exit, State), process(Dest); |