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authorLukas Larsson <[email protected]>2016-06-13 10:08:47 +0200
committerLukas Larsson <[email protected]>2016-06-13 10:10:56 +0200
commit4e87bebe004039465548ed432d363f2d7e42fee6 (patch)
treeeeaa1d1fa4a91f5e90538a70448d54eaf20fda7e /erts/emulator/test
parent7979f72ce15ec5eeb8e0e9cfc1c291f10c4f0432 (diff)
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erts: Allow enif_port_command in non-sched thread
It has to be possible to send trace messages to a port from non-schedulers threads (specifically from the sys_msg_dispatcher).
Diffstat (limited to 'erts/emulator/test')
-rw-r--r--erts/emulator/test/trace_port_SUITE.erl22
1 files changed, 22 insertions, 0 deletions
diff --git a/erts/emulator/test/trace_port_SUITE.erl b/erts/emulator/test/trace_port_SUITE.erl
index a66563d15b..e4db368ea1 100644
--- a/erts/emulator/test/trace_port_SUITE.erl
+++ b/erts/emulator/test/trace_port_SUITE.erl
@@ -26,6 +26,7 @@
return_trace/1,
send/1,
receive_trace/1,
+ receive_trace_non_scheduler/1,
process_events/1,
schedule/1,
gc/1,
@@ -40,6 +41,7 @@ suite() ->
all() ->
[call_trace, return_trace, send, receive_trace,
+ receive_trace_non_scheduler,
process_events, schedule, gc,
default_tracer, tracer_port_crash].
@@ -184,6 +186,26 @@ receive_trace(Config) when is_list(Config) ->
expect({trace_ts,Receiver,'receive',Huge,ts}),
ok.
+%% Test sending receive traces to a port.
+receive_trace_non_scheduler(Config) when is_list(Config) ->
+ start_tracer(Config),
+ S = self(),
+ Receiver = spawn(
+ fun() ->
+ receive
+ go ->
+ Ref = S ! erlang:trace_delivered(all),
+ receive {trace_delivered, Ref, all} -> ok end
+ end
+ end),
+ trac(Receiver, true, ['receive']),
+ Receiver ! go,
+ Ref = receive R -> R end,
+ expect({trace,Receiver,'receive',go}),
+ expect({trace,Receiver,'receive',{trace_delivered, all, Ref}}),
+
+ ok.
+
%% Tests a few process events (like getting linked).
process_events(Config) when is_list(Config) ->
start_tracer(Config),