diff options
| -rw-r--r-- | erts/emulator/test/driver_SUITE.erl | 26 | ||||
| -rw-r--r-- | erts/emulator/test/z_SUITE.erl | 38 |
2 files changed, 55 insertions, 9 deletions
diff --git a/erts/emulator/test/driver_SUITE.erl b/erts/emulator/test/driver_SUITE.erl index b72d6cbe52..e17d0ff96c 100644 --- a/erts/emulator/test/driver_SUITE.erl +++ b/erts/emulator/test/driver_SUITE.erl @@ -2395,13 +2395,35 @@ z_test(Config) when is_list(Config) -> check_io_debug() -> get_stable_check_io_info(), - {NoErrorFds, NoUsedFds, NoDrvSelStructs, NoDrvEvStructs} + {NoErrorFds, NoUsedFds, NoDrvSelStructs, NoDrvEvStructs} = CheckIoDebug = erts_debug:get_internal_state(check_io_debug), + HasGetHost = has_gethost(), + ct:log("check_io_debug: ~p~n" + "HasGetHost: ~p",[CheckIoDebug, HasGetHost]), 0 = NoErrorFds, - NoUsedFds = NoDrvSelStructs, + if + NoUsedFds == NoDrvSelStructs -> + ok; + HasGetHost andalso (NoUsedFds == (NoDrvSelStructs - 1)) -> + %% If the inet_gethost port is alive, we may have + %% one extra used fd that is not selected on + ok + end, 0 = NoDrvEvStructs, ok. +has_gethost() -> + has_gethost(erlang:ports()). +has_gethost([P|T]) -> + case erlang:port_info(P, name) of + {name,"inet_gethost"++_} -> + true; + _ -> + has_gethost(T) + end; +has_gethost([]) -> + false. + %flush_msgs() -> % receive % M -> diff --git a/erts/emulator/test/z_SUITE.erl b/erts/emulator/test/z_SUITE.erl index f4d9030255..abc353fb01 100644 --- a/erts/emulator/test/z_SUITE.erl +++ b/erts/emulator/test/z_SUITE.erl @@ -249,6 +249,7 @@ pollset_size(Config) when is_list(Config) -> ?line io:format("Initial: ~p~nFinal: ~p~n", [InitChkIo, FinChkIo]), ?line InitPollsetSize = lists:keysearch(total_poll_set_size, 1, InitChkIo), ?line FinPollsetSize = lists:keysearch(total_poll_set_size, 1, FinChkIo), + HasGethost = case has_gethost() of true -> 1; _ -> 0 end, ?line case InitPollsetSize =:= FinPollsetSize of true -> case InitPollsetSize of @@ -269,7 +270,7 @@ pollset_size(Config) when is_list(Config) -> = InitPollsetSize, ?line {value, {total_poll_set_size, FinSize}} = FinPollsetSize, - ?line true = FinSize < InitSize, + ?line true = FinSize < (InitSize + HasGethost), ?line true = 2 =< FinSize, ?line {comment, "Start pollset size: " @@ -289,16 +290,39 @@ check_io_debug(Config) when is_list(Config) -> end. check_io_debug_test() -> - ?line erlang:display(get_check_io_info()), - ?line erts_debug:set_internal_state(available_internal_state, true), - ?line {NoErrorFds, NoUsedFds, NoDrvSelStructs, NoDrvEvStructs} + erlang:display(get_check_io_info()), + erts_debug:set_internal_state(available_internal_state, true), + {NoErrorFds, NoUsedFds, NoDrvSelStructs, NoDrvEvStructs} = CheckIoDebug = erts_debug:get_internal_state(check_io_debug), - ?line erts_debug:set_internal_state(available_internal_state, false), - ?line 0 = NoErrorFds, - ?line NoUsedFds = NoDrvSelStructs, + erts_debug:set_internal_state(available_internal_state, false), + HasGetHost = has_gethost(), + ct:log("check_io_debug: ~p~n" + "HasGetHost: ~p",[CheckIoDebug, HasGetHost]), + 0 = NoErrorFds, + if + NoUsedFds == NoDrvSelStructs -> + ok; + HasGetHost andalso (NoUsedFds == (NoDrvSelStructs - 1)) -> + %% If the inet_gethost port is alive, we may have + %% one extra used fd that is not selected on. + %% This happens when the initial setup of the + %% port returns an EAGAIN + ok + end, ?line 0 = NoDrvEvStructs, ?line ok. +has_gethost() -> + has_gethost(erlang:ports()). +has_gethost([P|T]) -> + case erlang:port_info(P, name) of + {name,"inet_gethost"++_} -> + true; + _ -> + has_gethost(T) + end; +has_gethost([]) -> + false. %% |