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-rw-r--r--erts/emulator/test/driver_SUITE.erl43
1 files changed, 25 insertions, 18 deletions
diff --git a/erts/emulator/test/driver_SUITE.erl b/erts/emulator/test/driver_SUITE.erl
index 7aff3a6ea1..9ffb484eb4 100644
--- a/erts/emulator/test/driver_SUITE.erl
+++ b/erts/emulator/test/driver_SUITE.erl
@@ -81,6 +81,7 @@
thr_msg_blast/1,
consume_timeslice/1,
env/1,
+ poll_pipe/1,
z_test/1]).
-export([bin_prefix/2]).
@@ -168,6 +169,7 @@ all() -> %% Keep a_test first and z_test last...
thr_msg_blast,
consume_timeslice,
env,
+ poll_pipe,
z_test].
groups() ->
@@ -2643,24 +2645,7 @@ wait_deallocations() ->
driver_alloc_size() ->
wait_deallocations(),
- case erlang:system_info({allocator_sizes, driver_alloc}) of
- false ->
- undefined;
- MemInfo ->
- CS = lists:foldl(
- fun ({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, Sz0) ->
- {value,{_,Sz,_,_}} = lists:keysearch(blocks_size, 1, L),
- Sz0+Sz
- end, 0, CS)
- end.
+ erts_debug:alloc_blocks_size(driver_alloc).
rpc(Config, Fun) ->
case proplists:get_value(node, Config) of
@@ -2693,3 +2678,25 @@ rpc(Config, Fun) ->
ct:fail(Other)
end
end.
+
+poll_pipe(Config) when is_list(Config) ->
+ %% ERL-647; we wouldn't see any events on EOF when polling a pipe using
+ %% kqueue(2).
+ case os:type() of
+ {unix, _} ->
+ Command = "erl -noshell -eval "
+ "'\"DATA\n\" = io:get_line(\"\"),"
+ "eof = io:get_line(\"\"),"
+ "halt()' <<< 'DATA'",
+ Ref = make_ref(),
+ Self = self(),
+ Pid = spawn(fun() -> os:cmd(Command), Self ! Ref end),
+ receive
+ Ref -> ok
+ after 5000 ->
+ exit(Pid, kill),
+ ct:fail("Stuck reading from stdin.")
+ end;
+ _ ->
+ {skipped, "Unix-only test"}
+ end.