diff options
Diffstat (limited to 'erts/emulator/test/process_SUITE.erl')
| -rw-r--r-- | erts/emulator/test/process_SUITE.erl | 90 |
1 files changed, 87 insertions, 3 deletions
diff --git a/erts/emulator/test/process_SUITE.erl b/erts/emulator/test/process_SUITE.erl index a731f09e4c..f68e712268 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, @@ -49,7 +50,8 @@ processes_last_call_trap/1, processes_gc_trap/1, processes_term_proc_list/1, otp_7738_waiting/1, otp_7738_suspended/1, - otp_7738_resume/1]). + otp_7738_resume/1, + garb_other_running/1]). -export([prio_server/2, prio_client/2]). -export([init_per_testcase/2, end_per_testcase/2]). @@ -65,12 +67,13 @@ 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, spawn_opt_heap_size, otp_6237, {group, processes_bif}, - {group, otp_7738}]. + {group, otp_7738}, garb_other_running]. groups() -> [{t_exit_2, [], @@ -702,6 +705,52 @@ 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. @@ -2068,6 +2117,41 @@ otp_7738_test(Type) -> end, ?line ok. +gor(Reds, Stop) -> + receive + {From, reds} -> + From ! {reds, Reds, self()}, + gor(Reds+1, Stop); + {From, Stop} -> + From ! {stopped, Stop, Reds, self()} + after 0 -> + gor(Reds+1, Stop) + end. + +garb_other_running(Config) when is_list(Config) -> + ?line Stop = make_ref(), + ?line {Pid, Mon} = spawn_monitor(fun () -> gor(0, Stop) end), + ?line Reds = lists:foldl(fun (_, OldReds) -> + ?line erlang:garbage_collect(Pid), + ?line receive after 1 -> ok end, + ?line Pid ! {self(), reds}, + ?line receive + {reds, NewReds, Pid} -> + ?line true = (NewReds > OldReds), + ?line NewReds + end + end, + 0, + lists:seq(1, 10000)), + ?line receive after 1 -> ok end, + ?line Pid ! {self(), Stop}, + ?line receive + {stopped, Stop, StopReds, Pid} -> + ?line true = (StopReds > Reds) + end, + ?line receive {'DOWN', Mon, process, Pid, normal} -> ok end, + ?line ok. + %% Internal functions wait_until(Fun) -> |