diff options
Diffstat (limited to 'erts')
| -rw-r--r-- | erts/emulator/test/process_SUITE.erl | 50 |
1 files changed, 49 insertions, 1 deletions
diff --git a/erts/emulator/test/process_SUITE.erl b/erts/emulator/test/process_SUITE.erl index a731f09e4c..36bae908aa 100644 --- a/erts/emulator/test/process_SUITE.erl +++ b/erts/emulator/test/process_SUITE.erl @@ -39,6 +39,7 @@ process_info_other_dist_msg/1, process_info_2_list/1, process_info_lock_reschedule/1, process_info_lock_reschedule2/1, + process_info_lock_reschedule3/1, bump_reductions/1, low_prio/1, binary_owner/1, yield/1, yield2/1, process_status_exiting/1, otp_4725/1, bad_register/1, garbage_collect/1, otp_6237/1, @@ -65,7 +66,8 @@ all() -> t_process_info, process_info_other_msg, process_info_other_dist_msg, process_info_2_list, process_info_lock_reschedule, - process_info_lock_reschedule2, process_status_exiting, + process_info_lock_reschedule2, + process_info_lock_reschedule3, process_status_exiting, bump_reductions, low_prio, yield, yield2, otp_4725, bad_register, garbage_collect, process_info_messages, process_flag_badarg, process_flag_heap_size, @@ -702,6 +704,52 @@ process_info_lock_reschedule2(Config) when is_list(Config) -> ?line unlink(P6), exit(P6, bang), ?line ok. +many_args(0,_B,_C,_D,_E,_F,_G,_H,_I,_J) -> + ok; +many_args(A,B,C,D,E,F,G,H,I,J) -> + many_args(A-1,B,C,D,E,F,G,H,I,J). + +do_pi_msg_len(PT, AT) -> + lists:map(fun (_) -> ok end, [a,b,c,d]), + {message_queue_len, _} = process_info(element(2,PT), element(2,AT)). + +process_info_lock_reschedule3(doc) -> + []; +process_info_lock_reschedule3(suite) -> + []; +process_info_lock_reschedule3(Config) when is_list(Config) -> + %% We need a process that is running and an item that requires + %% process_info to take the main process lock. + ?line Target1 = spawn_link(fun tok_loop/0), + ?line Name1 = process_info_lock_reschedule_running, + ?line register(Name1, Target1), + ?line Target2 = spawn_link(fun () -> receive after infinity -> ok end end), + ?line Name2 = process_info_lock_reschedule_waiting, + ?line register(Name2, Target2), + ?line PI = fun(N) -> + case N rem 10 of + 0 -> erlang:yield(); + _ -> ok + end, + ?line do_pi_msg_len({proc, Target1}, + {arg, message_queue_len}) + end, + ?line many_args(100000,1,2,3,4,5,6,7,8,9), + ?line lists:foreach(PI, lists:seq(1,1000000)), + %% Make sure Target1 still is willing to "tok loop" + ?line case process_info(Target1, status) of + {status, OkStatus} when OkStatus == runnable; + OkStatus == running; + OkStatus == garbage_collecting -> + ?line unlink(Target1), + ?line unlink(Target2), + ?line exit(Target1, bang), + ?line exit(Target2, bang), + ?line OkStatus; + {status, BadStatus} -> + ?line ?t:fail(BadStatus) + end. + process_status_exiting(Config) when is_list(Config) -> %% Make sure that erts_debug:get_internal_state({process_status,P}) %% returns exiting if it is in status P_EXITING. |