diff options
Diffstat (limited to 'lib/stdlib/test')
| -rw-r--r-- | lib/stdlib/test/ets_SUITE.erl | 57 | ||||
| -rw-r--r-- | lib/stdlib/test/io_SUITE.erl | 30 |
2 files changed, 79 insertions, 8 deletions
diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl index c9d82ec5f5..9341300f90 100644 --- a/lib/stdlib/test/ets_SUITE.erl +++ b/lib/stdlib/test/ets_SUITE.erl @@ -72,6 +72,7 @@ exit_many_many_tables_owner/1]). -export([write_concurrency/1, heir/1, give_away/1, setopts/1]). -export([bad_table/1, types/1]). +-export([otp_9423/1]). -export([init_per_testcase/2, end_per_testcase/2]). %% Convenience for manual testing @@ -143,7 +144,8 @@ all() -> otp_8166, exit_large_table_owner, exit_many_large_table_owner, exit_many_tables_owner, exit_many_many_tables_owner, write_concurrency, heir, - give_away, setopts, bad_table, types]. + give_away, setopts, bad_table, types, + otp_9423]. groups() -> [{new, [], @@ -5420,7 +5422,39 @@ types_do(Opts) -> ?line verify_etsmem(EtsMem). - +otp_9423(doc) -> ["vm-deadlock caused by race between ets:delete and others on write_concurrency table"]; +otp_9423(Config) when is_list(Config) -> + InitF = fun(_) -> {0,0} end, + ExecF = fun({S,F}) -> + receive + stop -> + io:format("~p got stop\n", [self()]), + [end_of_work | {"Succeded=",S,"Failed=",F}] + after 0 -> + %%io:format("~p (~p) doing lookup\n", [self(), {S,F}]), + try ets:lookup(otp_9423, key) of + [] -> {S+1,F} + catch + error:badarg -> {S,F+1} + end + end + end, + FiniF = fun(R) -> R end, + case run_workers(InitF, ExecF, FiniF, infinite, 1) of + Pids when is_list(Pids) -> + %%[P ! start || P <- Pids], + repeat(fun() -> ets:new(otp_9423, [named_table, public, {write_concurrency,true}]), + ets:delete(otp_9423) + end, 10000), + [P ! stop || P <- Pids], + wait_pids(Pids), + ok; + + Skipped -> Skipped + end. + + + % % Utility functions: @@ -5434,21 +5468,30 @@ add_lists([E1|T1], [E2|T2], Acc) -> add_lists(T1, T2, [E1+E2 | Acc]). run_workers(InitF,ExecF,FiniF,Laps) -> + run_workers(InitF,ExecF,FiniF,Laps, 0). +run_workers(InitF,ExecF,FiniF,Laps, Exclude) -> case erlang:system_info(smp_support) of true -> - run_workers_do(InitF,ExecF,FiniF,Laps); + run_workers_do(InitF,ExecF,FiniF,Laps, Exclude); false -> {skipped,"No smp support"} end. - + run_workers_do(InitF,ExecF,FiniF,Laps) -> - NumOfProcs = erlang:system_info(schedulers), + run_workers_do(InitF,ExecF,FiniF,Laps, 0). +run_workers_do(InitF,ExecF,FiniF,Laps, Exclude) -> + ?line NumOfProcs = case erlang:system_info(schedulers) of + N when (N > Exclude) -> N - Exclude + end, io:format("smp starting ~p workers\n",[NumOfProcs]), Seeds = [{ProcN,random:uniform(9999)} || ProcN <- lists:seq(1,NumOfProcs)], Parent = self(), Pids = [spawn_link(fun()-> worker(Seed,InitF,ExecF,FiniF,Laps,Parent,NumOfProcs) end) || Seed <- Seeds], - wait_pids(Pids). + case Laps of + infinite -> Pids; + _ -> wait_pids(Pids) + end. worker({ProcN,Seed}, InitF, ExecF, FiniF, Laps, Parent, NumOfProcs) -> io:format("smp worker ~p, seed=~p~n",[self(),Seed]), @@ -5463,6 +5506,8 @@ worker_loop(0, _, State) -> State; worker_loop(_, _, [end_of_work|State]) -> State; +worker_loop(infinite, ExecF, State) -> + worker_loop(infinite,ExecF,ExecF(State)); worker_loop(N, ExecF, State) -> worker_loop(N-1,ExecF,ExecF(State)). diff --git a/lib/stdlib/test/io_SUITE.erl b/lib/stdlib/test/io_SUITE.erl index 54a98985cd..bb02a879c2 100644 --- a/lib/stdlib/test/io_SUITE.erl +++ b/lib/stdlib/test/io_SUITE.erl @@ -27,7 +27,7 @@ otp_6282/1, otp_6354/1, otp_6495/1, otp_6517/1, otp_6502/1, manpage/1, otp_6708/1, otp_7084/1, otp_7421/1, io_lib_collect_line_3_wb/1, cr_whitespace_in_string/1, - io_fread_newlines/1, otp_8989/1]). + io_fread_newlines/1, otp_8989/1, io_lib_fread_literal/1]). %-define(debug, true). @@ -62,7 +62,7 @@ all() -> otp_6282, otp_6354, otp_6495, otp_6517, otp_6502, manpage, otp_6708, otp_7084, otp_7421, io_lib_collect_line_3_wb, cr_whitespace_in_string, - io_fread_newlines, otp_8989]. + io_fread_newlines, otp_8989, io_lib_fread_literal]. groups() -> []. @@ -1995,3 +1995,29 @@ otp_8989(Suite) when is_list(Suite) -> ?line "Hel " = fmt("~-4.*s", [3,Hello]), ?line "Hel " = fmt("~*.*s", [-4,3,Hello]), ok. + +io_lib_fread_literal(doc) -> + "OTP-9439 io_lib:fread bug for literate at end"; +io_lib_fread_literal(Suite) when is_list(Suite) -> + ?line {more,"~d",0,""} = io_lib:fread("~d", ""), + ?line {error,{fread,integer}} = io_lib:fread("~d", " "), + ?line {more,"~d",1,""} = io_lib:fread(" ~d", " "), + ?line {ok,[17],"X"} = io_lib:fread(" ~d", " 17X"), + %% + ?line {more,"d",0,""} = io_lib:fread("d", ""), + ?line {error,{fread,input}} = io_lib:fread("d", " "), + ?line {more,"d",1,""} = io_lib:fread(" d", " "), + ?line {ok,[],"X"} = io_lib:fread(" d", " dX"), + %% + ?line {done,eof,_} = io_lib:fread([], eof, "~d"), + ?line {done,eof,_} = io_lib:fread([], eof, " ~d"), + ?line {more,C1} = io_lib:fread([], " \n", " ~d"), + ?line {done,{error,{fread,input}},_} = io_lib:fread(C1, eof, " ~d"), + ?line {done,{ok,[18]},""} = io_lib:fread(C1, "18\n", " ~d"), + %% + ?line {done,eof,_} = io_lib:fread([], eof, "d"), + ?line {done,eof,_} = io_lib:fread([], eof, " d"), + ?line {more,C2} = io_lib:fread([], " \n", " d"), + ?line {done,{error,{fread,input}},_} = io_lib:fread(C2, eof, " d"), + ?line {done,{ok,[]},[]} = io_lib:fread(C2, "d\n", " d"), + ok. |