diff options
Diffstat (limited to 'lib/test_server/src/test_server.erl')
| -rw-r--r-- | lib/test_server/src/test_server.erl | 361 |
1 files changed, 174 insertions, 187 deletions
diff --git a/lib/test_server/src/test_server.erl b/lib/test_server/src/test_server.erl index 9192a76a17..785e687b92 100644 --- a/lib/test_server/src/test_server.erl +++ b/lib/test_server/src/test_server.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2014. All Rights Reserved. +%% Copyright Ericsson AB 1996-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -130,7 +130,8 @@ cover_compile(CoverInfo=#cover{app=App,excl=all,incl=Include,cross=Cross}) -> io:fwrite("done\n\n",[]), {ok,CoverInfo#cover{mods=Include}} end; -cover_compile(CoverInfo=#cover{app=App,excl=Exclude,incl=Include,cross=Cross}) -> +cover_compile(CoverInfo=#cover{app=App,excl=Exclude, + incl=Include,cross=Cross}) -> CrossMods = lists:flatmap(fun({_,M}) -> M end,Cross), case code:lib_dir(App) of {error,bad_name} -> @@ -177,68 +178,35 @@ module_names(Beams) -> do_cover_compile(Modules) -> cover:start(), - pmap1(fun(M) -> do_cover_compile1(M) end,lists:usort(Modules)), + Sticky = prepare_cover_compile(Modules,[]), + R = cover:compile_beam(Modules), + [warn_compile(Error) || Error <- R,element(1,Error)=/=ok], + [code:stick_mod(M) || M <- Sticky], ok. -do_cover_compile1(M) -> +warn_compile({error,{Reason,Module}}) -> + io:fwrite("\nWARNING: Could not cover compile ~ts: ~p\n", + [Module,{error,Reason}]). + +%% Make sure all modules are loaded and unstick if sticky +prepare_cover_compile([M|Ms],Sticky) -> case {code:is_sticky(M),code:is_loaded(M)} of {true,_} -> code:unstick_mod(M), - case cover:compile_beam(M) of - {ok,_} -> - ok; - Error -> - io:fwrite("\nWARNING: Could not cover compile ~w: ~p\n", - [M,Error]) - end, - code:stick_mod(M); + prepare_cover_compile(Ms,[M|Sticky]); {false,false} -> case code:load_file(M) of {module,_} -> - do_cover_compile1(M); + prepare_cover_compile([M|Ms],Sticky); Error -> - io:fwrite("\nWARNING: Could not load ~w: ~p\n",[M,Error]) + io:fwrite("\nWARNING: Could not load ~w: ~p\n",[M,Error]), + prepare_cover_compile(Ms,Sticky) end; {false,_} -> - case cover:compile_beam(M) of - {ok,_} -> - ok; - Error -> - io:fwrite("\nWARNING: Could not cover compile ~w: ~p\n", - [M,Error]) - end - end. - -pmap1(Fun,List) -> - NTot = length(List), - NProcs = erlang:system_info(schedulers) * 2, - NPerProc = (NTot div NProcs) + 1, - - {[],Pids} = - lists:foldr( - fun(_,{L,Ps}) -> - {L1,L2} = if length(L)>=NPerProc -> lists:split(NPerProc,L); - true -> {L,[]} % last chunk - end, - {P,_Ref} = - spawn_monitor(fun() -> - exit(lists:map(Fun,L1)) - end), - {L2,[P|Ps]} - end, - {List,[]}, - lists:seq(1,NProcs)), - collect(Pids,[]). - -collect([],Acc) -> - lists:append(Acc); -collect([Pid|Pids],Acc) -> - receive - {'DOWN', _Ref, process, Pid, Result} -> - %% collect(lists:delete(Pid,Pids),[Result|Acc]) - collect(Pids,[Result|Acc]) - end. - + prepare_cover_compile(Ms,Sticky) + end; +prepare_cover_compile([],Sticky) -> + Sticky. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% cover_analyse(Dir,#cover{level=Analyse,mods=Modules,stop=Stop) -> @@ -268,45 +236,40 @@ collect([Pid|Pids],Acc) -> %% after the test is completed. cover_analyse(Dir,#cover{level=Analyse,mods=Modules,stop=Stop}) -> io:fwrite(user, "Cover analysing... ", []), - DetailsFun = + {ATFOk,ATFFail} = case Analyse of details -> case cover:export(filename:join(Dir,"all.coverdata")) of ok -> - fun(M) -> - OutFile = filename:join(Dir, - atom_to_list(M) ++ - ".COVER.html"), - case cover:analyse_to_file(M,OutFile,[html]) of - {ok,_} -> - {file,OutFile}; - Error -> - Error - end - end; + {result,Ok1,Fail1} = + cover:analyse_to_file(Modules,[{outdir,Dir},html]), + {lists:map(fun(OutFile) -> + M = list_to_atom( + filename:basename( + filename:rootname(OutFile, + ".COVER.html") + ) + ), + {M,{file,OutFile}} + end, Ok1), + lists:map(fun({Reason,M}) -> + {M,{error,Reason}} + end, Fail1)}; Error -> - fun(_) -> Error end + {[],lists:map(fun(M) -> {M,Error} end, Modules)} end; overview -> case cover:export(filename:join(Dir,"all.coverdata")) of ok -> - fun(_) -> undefined end; + {[],lists:map(fun(M) -> {M,undefined} end, Modules)}; Error -> - fun(_) -> Error end + {[],lists:map(fun(M) -> {M,Error} end, Modules)} end end, - R = pmap2( - fun(M) -> - case cover:analyse(M,module) of - {ok,{M,{Cov,NotCov}}} -> - {M,{Cov,NotCov,DetailsFun(M)}}; - Err -> - io:fwrite(user, - "\nWARNING: Analysis failed for ~w. Reason: ~p\n", - [M,Err]), - {M,Err} - end - end, Modules), + {result,AOk,AFail} = cover:analyse(Modules,module), + R0 = merge_analysis_results(AOk,ATFOk++ATFFail,[]) ++ + [{M,{error,Reason}} || {Reason,M} <- AFail], + R = lists:sort(R0), io:fwrite(user, "done\n\n", []), case Stop of @@ -319,19 +282,15 @@ cover_analyse(Dir,#cover{level=Analyse,mods=Modules,stop=Stop}) -> end, R. -pmap2(Fun,List) -> - Collector = self(), - Pids = lists:map(fun(E) -> - spawn(fun() -> - Collector ! {res,self(),Fun(E)} - end) - end, List), - lists:map(fun(Pid) -> - receive - {res,Pid,Res} -> - Res - end - end, Pids). +merge_analysis_results([{M,{Cov,NotCov}}|T],ATF,Acc) -> + case lists:keytake(M,1,ATF) of + {value,{_,R},ATF1} -> + merge_analysis_results(T,ATF1,[{M,{Cov,NotCov,R}}|Acc]); + false -> + merge_analysis_results(T,ATF,Acc) + end; +merge_analysis_results([],_,Acc) -> + Acc. do_cover_for_node(Node,CoverFunc) -> do_cover_for_node(Node,CoverFunc,true). @@ -445,15 +404,6 @@ run_test_case_apply({CaseNum,Mod,Func,Args,Name, }). run_test_case_apply(Mod, Func, Args, Name, RunInit, TimetrapData) -> - {ok,Cwd} = file:get_cwd(), - Args2Print = case Args of - [Args1] when is_list(Args1) -> - lists:keydelete(tc_group_result, 1, Args1); - _ -> - Args - end, - print(minor, "Test case started with:\n~w:~w(~tp)\n", [Mod,Func,Args2Print]), - print(minor, "Current directory is ~tp\n", [Cwd]), print_timestamp(minor,"Started at "), print(minor, "", [], internal_raw), TCCallback = get(test_server_testcase_callback), @@ -728,7 +678,7 @@ handle_tc_exit(Reason, #st{status=tc,config=Config0,mf={Mod,Func},pid=Pid}=St) Msg = {E,AbortReason}, {Msg,Loc0,Msg}; Other -> - {Other,unknown,Other} + {{'EXIT',Other},unknown,Other} end, Timeout = end_conf_timeout(Reason, St), Config = [{tc_status,{failed,F}}|Config0], @@ -742,7 +692,7 @@ handle_tc_exit(Reason, #st{config=Config,mf={Mod,Func0},pid=Pid, {testcase_aborted=E,AbortReason,Loc0} -> {{E,AbortReason},Loc0}; Other -> - {Other,St#st.last_known_loc} + {{'EXIT',Other},St#st.last_known_loc} end, Func = case Status of init_per_testcase=F -> {F,Func0}; @@ -779,16 +729,16 @@ do_call_end_conf(Starter,Mod,Func,Data,Conf,TVal) -> EndConfApply = fun() -> timetrap(TVal), - case catch apply(Mod,end_per_testcase,[Func,Conf]) of - {'EXIT',Why} -> + try apply(Mod,end_per_testcase,[Func,Conf]) of + _ -> ok + catch + _:Why -> timer:sleep(1), group_leader() ! {printout,12, "WARNING! " "~w:end_per_testcase(~w, ~p)" " crashed!\n\tReason: ~p\n", - [Mod,Func,Conf,Why]}; - _ -> - ok + [Mod,Func,Conf,Why]} end, Supervisor ! {self(),end_conf} end, @@ -817,11 +767,11 @@ spawn_fw_call(Mod,{init_per_testcase,Func},CurrConf,Pid, Skip = {skip,{failed,{Mod,init_per_testcase,Why}}}, %% if init_per_testcase fails, the test case %% should be skipped - case catch do_end_tc_call(Mod,Func, {Pid,Skip,[CurrConf]}, Why) of - {'EXIT',FwEndTCErr} -> - exit({fw_notify_done,end_tc,FwEndTCErr}); - _ -> - ok + try do_end_tc_call(Mod,Func, {Pid,Skip,[CurrConf]}, Why) of + _ -> ok + catch + _:FwEndTCErr -> + exit({fw_notify_done,end_tc,FwEndTCErr}) end, %% finished, report back SendTo ! {self(),fw_notify_done, @@ -849,12 +799,12 @@ spawn_fw_call(Mod,{end_per_testcase,Func},EndConf,Pid, " failed!\n\tReason: timetrap timeout" " after ~w ms!\n", [Mod,Func,EndConf,TVal]}, FailLoc = proplists:get_value(tc_fail_loc, EndConf), - case catch do_end_tc_call(Mod,Func, + try do_end_tc_call(Mod,Func, {Pid,Report,[EndConf]}, Why) of - {'EXIT',FwEndTCErr} -> - exit({fw_notify_done,end_tc,FwEndTCErr}); - _ -> - ok + _ -> ok + catch + _:FwEndTCErr -> + exit({fw_notify_done,end_tc,FwEndTCErr}) end, Warn = "<font color=\"red\">" "WARNING: end_per_testcase timed out!</font>", @@ -890,21 +840,21 @@ spawn_fw_call(Mod,Func,CurrConf,Pid,Error,Loc,SendTo) -> end, FwCall = fun() -> - case catch fw_error_notify(Mod,Func1,[], - Error,Loc) of - {'EXIT',FwErrorNotifyErr} -> + try fw_error_notify(Mod,Func1,[], + Error,Loc) of + _ -> ok + catch + _:FwErrorNotifyErr -> exit({fw_notify_done,error_notification, - FwErrorNotifyErr}); - _ -> - ok + FwErrorNotifyErr}) end, Conf = [{tc_status,{failed,Error}}|CurrConf], - case catch do_end_tc_call(Mod,Func1, - {Pid,Error,[Conf]},Error) of - {'EXIT',FwEndTCErr} -> - exit({fw_notify_done,end_tc,FwEndTCErr}); - _ -> - ok + try do_end_tc_call(Mod,Func1, + {Pid,Error,[Conf]},Error) of + _ -> ok + catch + _:FwEndTCErr -> + exit({fw_notify_done,end_tc,FwEndTCErr}) end, %% finished, report back SendTo ! {self(),fw_notify_done,{died,Error,Loc,[],undefined}} @@ -984,12 +934,15 @@ run_test_case_eval(Mod, Func, Args0, Name, Ref, RunInit, NewResult = do_end_tc_call(Mod,Func, {{error,Reason},[Conf]}, {fail,Reason}), {{0,NewResult},Where,[]}; - Skip = {skip,_Reason} -> - NewResult = do_end_tc_call(Mod,Func, {Skip,Args0}, Skip), + Skip = {SkipType,_Reason} when SkipType == skip; + SkipType == skipped -> + NewResult = do_end_tc_call(Mod,Func, + {Skip,Args0}, Skip), {{0,NewResult},Where,[]}; AutoSkip = {auto_skip,_Reason} -> %% special case where a conf case "pretends" to be skipped - NewResult = do_end_tc_call(Mod,Func, {AutoSkip,Args0}, AutoSkip), + NewResult = + do_end_tc_call(Mod,Func, {AutoSkip,Args0}, AutoSkip), {{0,NewResult},Where,[]} end, exit({Ref,Time,Value,Loc,Opts}). @@ -1000,10 +953,12 @@ run_test_case_eval1(Mod, Func, Args, Name, RunInit, TCCallback) -> set_tc_state(init_per_testcase, hd(Args)), ensure_timetrap(Args), case init_per_testcase(Mod, Func, Args) of - Skip = {skip,Reason} -> + Skip = {SkipType,Reason} when SkipType == skip; + SkipType == skipped -> Line = get_loc(), Conf = [{tc_status,{skipped,Reason}}|hd(Args)], - NewRes = do_end_tc_call(Mod,Func, {Skip,[Conf]}, Skip), + NewRes = do_end_tc_call(Mod,Func, + {Skip,[Conf]}, Skip), {{0,NewRes},Line,[]}; {skip_and_save,Reason,SaveCfg} -> Line = get_loc(), @@ -1021,11 +976,12 @@ run_test_case_eval1(Mod, Func, Args, Name, RunInit, TCCallback) -> {{0,NewRes},[{Mod,Func}],[]}; {ok,NewConf} -> %% call user callback function if defined - NewConf1 = user_callback(TCCallback, Mod, Func, init, NewConf), + NewConf1 = + user_callback(TCCallback, Mod, Func, init, NewConf), %% save current state in controller loop set_tc_state(tc, NewConf1), %% execute the test case - {{T,Return},Loc} = {ts_tc(Mod, Func, [NewConf1]),get_loc()}, + {{T,Return},Loc} = {ts_tc(Mod,Func,[NewConf1]), get_loc()}, {EndConf,TSReturn,FWReturn} = case Return of {E,TCError} when E=='EXIT' ; E==failed -> @@ -1041,30 +997,39 @@ run_test_case_eval1(Mod, Func, Args, Name, RunInit, TCCallback) -> {[{tc_status,{skipped,Why}}, {save_config,SaveCfg}|NewConf1], Skip,Skip}; - {skip,Why} -> - {[{tc_status,{skipped,Why}}|NewConf1],Return,Return}; + {SkipType,Why} when SkipType == skip; + SkipType == skipped -> + {[{tc_status,{skipped,Why}}|NewConf1],Return, + Return}; _ -> {[{tc_status,ok}|NewConf1],Return,ok} end, %% call user callback function if defined - EndConf1 = user_callback(TCCallback, Mod, Func, 'end', EndConf), + EndConf1 = + user_callback(TCCallback, Mod, Func, 'end', EndConf), %% update current state in controller loop {FWReturn1,TSReturn1,EndConf2} = case end_per_testcase(Mod, Func, EndConf1) of SaveCfg1={save_config,_} -> - {FWReturn,TSReturn,[SaveCfg1|lists:keydelete(save_config,1, - EndConf1)]}; + {FWReturn,TSReturn, + [SaveCfg1|lists:keydelete(save_config,1, + EndConf1)]}; {fail,ReasonToFail} -> %% user has failed the testcase - fw_error_notify(Mod, Func, EndConf1, ReasonToFail), - {{error,ReasonToFail},{failed,ReasonToFail},EndConf1}; - {failed,{_,end_per_testcase,_}} = Failure when FWReturn == ok -> + fw_error_notify(Mod, Func, EndConf1, + ReasonToFail), + {{error,ReasonToFail}, + {failed,ReasonToFail}, + EndConf1}; + {failed,{_,end_per_testcase,_}} = Failure when + FWReturn == ok -> %% unexpected termination in end_per_testcase %% report this as the result to the framework {Failure,TSReturn,EndConf1}; _ -> - %% test case result should be reported to framework - %% no matter the status of end_per_testcase + %% test case result should be reported to + %% framework no matter the status of + %% end_per_testcase {FWReturn,TSReturn,EndConf1} end, %% clear current state in controller loop @@ -1131,7 +1096,8 @@ process_return_val([Return], M,F,A, Loc, Final) when is_list(Return) -> ReturnTags = [skip,skip_and_save,save_config,comment,return_group_result], %% check if all elements in the list are valid end conf return value tuples case lists:all(fun(Val) when is_tuple(Val) -> - lists:any(fun(T) -> T == element(1, Val) end, ReturnTags); + lists:any(fun(T) -> T == element(1, Val) end, + ReturnTags); (ok) -> true; (_) -> @@ -1165,14 +1131,19 @@ process_return_val1([Failed={E,TCError}|_], M,F,A=[Args], Loc, _, SaveOpts) NewReturn -> {NewReturn,SaveOpts} end; -process_return_val1([SaveCfg={save_config,_}|Opts], M,F,[Args], Loc, Final, SaveOpts) -> +process_return_val1([SaveCfg={save_config,_}|Opts], M,F,[Args], + Loc, Final, SaveOpts) -> process_return_val1(Opts, M,F,[[SaveCfg|Args]], Loc, Final, SaveOpts); -process_return_val1([{skip_and_save,Why,SaveCfg}|Opts], M,F,[Args], Loc, _, SaveOpts) -> - process_return_val1(Opts, M,F,[[{save_config,SaveCfg}|Args]], Loc, {skip,Why}, SaveOpts); -process_return_val1([GR={return_group_result,_}|Opts], M,F,A, Loc, Final, SaveOpts) -> +process_return_val1([{skip_and_save,Why,SaveCfg}|Opts], M,F,[Args], + Loc, _, SaveOpts) -> + process_return_val1(Opts, M,F,[[{save_config,SaveCfg}|Args]], + Loc, {skip,Why}, SaveOpts); +process_return_val1([GR={return_group_result,_}|Opts], M,F,A, + Loc, Final, SaveOpts) -> process_return_val1(Opts, M,F,A, Loc, Final, [GR|SaveOpts]); -process_return_val1([RetVal={Tag,_}|Opts], M,F,A, Loc, _, SaveOpts) when Tag==skip; - Tag==comment -> +process_return_val1([RetVal={Tag,_}|Opts], M,F,A, + Loc, _, SaveOpts) when Tag==skip; + Tag==comment -> process_return_val1(Opts, M,F,A, Loc, RetVal, SaveOpts); process_return_val1([_|Opts], M,F,A, Loc, Final, SaveOpts) -> process_return_val1(Opts, M,F,A, Loc, Final, SaveOpts); @@ -1186,7 +1157,8 @@ process_return_val1([], M,F,A, _Loc, Final, SaveOpts) -> user_callback(undefined, _, _, _, Args) -> Args; -user_callback({CBMod,CBFunc}, Mod, Func, InitOrEnd, [Args]) when is_list(Args) -> +user_callback({CBMod,CBFunc}, Mod, Func, InitOrEnd, + [Args]) when is_list(Args) -> case catch apply(CBMod, CBFunc, [InitOrEnd,Mod,Func,Args]) of Args1 when is_list(Args1) -> [Args1]; @@ -1341,12 +1313,30 @@ get_loc(Pid) -> Stk = [rewrite_loc_item(Loc) || Loc <- Stk0], case get(test_server_loc) of [{Suite,Case}] -> - %% location info unknown, check if {Suite,Case,Line} - %% is available in stacktrace. and if so, use stacktrace - %% instead of current test_server_loc + %% Location info unknown, check if {Suite,Case,Line} + %% is available in stacktrace and if so, use stacktrace + %% instead of current test_server_loc. + %% If location is the last expression in a test case + %% function, the info is not available due to tail call + %% elimination. We need to check if the test case has been + %% called by ts_tc/3 and, if so, insert the test case info + %% at that position. case [match || {S,C,_L} <- Stk, S == Suite, C == Case] of - [match|_] -> put(test_server_loc, Stk); - _ -> ok + [match|_] -> + put(test_server_loc, Stk); + _ -> + {PreTC,PostTC} = + lists:splitwith(fun({test_server,ts_tc,_}) -> + false; + (_) -> + true + end, Stk), + if PostTC == [] -> + ok; + true -> + put(test_server_loc, + PreTC++[{Suite,Case,last_expr} | PostTC]) + end end; _ -> put(test_server_loc, Stk) @@ -1373,8 +1363,8 @@ fw_error_notify(Mod, Func, Args, Error, Loc) -> %% Just like io:format, except that depending on the Detail value, the output %% is directed to console, major and/or minor log files. -print(Detail,Format,Args) -> - test_server_ctrl:print(Detail, Format, Args). +%% print(Detail,Format,Args) -> +%% test_server_ctrl:print(Detail, Format, Args). print(Detail,Format,Args,Printer) -> test_server_ctrl:print(Detail, Format, Args, Printer). @@ -1408,9 +1398,12 @@ lookup_config(Key,Config) -> undefined end. -%% timer:tc/3 +%% +%% IMPORTANT: get_loc/1 uses the name of this function when analysing +%% stack traces. If the name changes, get_loc/1 must be updated! +%% ts_tc(M, F, A) -> - Before = erlang:now(), + Before = erlang:monotonic_time(), Result = try apply(M, F, A) catch @@ -1430,12 +1423,8 @@ ts_tc(M, F, A) -> {'EXIT',Reason} end end, - After = erlang:now(), - Elapsed = - (element(1,After)*1000000000000 - +element(2,After)*1000000+element(3,After)) - - (element(1,Before)*1000000000000 - +element(2,Before)*1000000+element(3,Before)), + After = erlang:monotonic_time(), + Elapsed = erlang:convert_time_unit(After-Before, native, micro_seconds), {Elapsed, Result}. set_loc(Stk) -> @@ -1778,7 +1767,8 @@ timetrap(Timeout0, TimeToReport0, TCPid, MultAndScale = {Multiplier,Scale}) -> put(test_server_timetraps,[{Handle,TCPid,{TimeToReport,Scale}}]); List -> List1 = lists:delete({infinity,TCPid,{infinity,false}}, List), - put(test_server_timetraps,[{Handle,TCPid,{TimeToReport,Scale}}|List1]) + put(test_server_timetraps,[{Handle,TCPid, + {TimeToReport,Scale}}|List1]) end, Handle. @@ -1837,7 +1827,9 @@ time_ms(Ms, _, _) when is_integer(Ms) -> Ms; time_ms(infinity, _, _) -> infinity; time_ms(Fun, TCPid, MultAndScale) when is_function(Fun) -> time_ms_apply(Fun, TCPid, MultAndScale); -time_ms({M,F,A}=MFA, TCPid, MultAndScale) when is_atom(M), is_atom(F), is_list(A) -> +time_ms({M,F,A}=MFA, TCPid, MultAndScale) when is_atom(M), + is_atom(F), + is_list(A) -> time_ms_apply(MFA, TCPid, MultAndScale); time_ms(Other, _, _) -> exit({invalid_time_format,Other}). @@ -1851,7 +1843,7 @@ time_ms_check(Other) -> time_ms_apply(Func, TCPid, MultAndScale) -> {_,GL} = process_info(TCPid, group_leader), WhoAmI = self(), % either TC or IO server - T0 = now(), + T0 = erlang:monotonic_time(), UserTTSup = spawn(fun() -> user_timetrap_supervisor(Func, WhoAmI, TCPid, @@ -1884,7 +1876,8 @@ user_timetrap_supervisor(Func, Spawner, TCPid, GL, T0, MultAndScale) -> receive {UserTT,Result} -> demonitor(MonRef, [flush]), - Elapsed = trunc(timer:now_diff(now(), T0) / 1000), + T1 = erlang:monotonic_time(), + Elapsed = erlang:convert_time_unit(T1-T0, native, milli_seconds), try time_ms_check(Result) of TimeVal -> %% this is the new timetrap value to set (return value @@ -1952,7 +1945,7 @@ update_user_timetraps(TCPid, StartTime) -> proplists:delete(TCPid, UserTTs)), proceed; {OtherUserTTSup,OtherStartTime} -> - case timer:now_diff(OtherStartTime, StartTime) of + case OtherStartTime - StartTime of Diff when Diff >= 0 -> ignore; _ -> @@ -2407,9 +2400,8 @@ is_release_available(Release) -> %% run_on_shielded_node(Fun, CArgs) when is_function(Fun), is_list(CArgs) -> - {A,B,C} = now(), - Name = "shielded_node-" ++ integer_to_list(A) ++ "-" ++ integer_to_list(B) - ++ "-" ++ integer_to_list(C), + Nr = erlang:unique_integer([positive]), + Name = "shielded_node-" ++ integer_to_list(Nr), Node = case start_node(Name, slave, [{args, "-hidden " ++ CArgs}]) of {ok, N} -> N; Err -> fail({failed_to_start_shielded_node, Err}) @@ -2468,9 +2460,8 @@ is_cover(Name) -> %% A filename of the form <Stem><Number> is generated, and the %% function checks that that file doesn't already exist. temp_name(Stem) -> - {A,B,C} = erlang:now(), - RandomNum = A bxor B bxor C, - RandomName = Stem ++ integer_to_list(RandomNum), + Num = erlang:unique_integer([positive]), + RandomName = Stem ++ integer_to_list(Num), {ok,Files} = file:list_dir(filename:dirname(Stem)), case lists:member(RandomName,Files) of true -> @@ -2500,11 +2491,7 @@ appup_test(App) -> %% Checks wether the module is natively compiled or not. is_native(Mod) -> - case catch Mod:module_info(native_addresses) of - [_|_] -> true; - _Other -> false - end. - + (catch Mod:module_info(native)) =:= true. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% comment(String) -> ok |