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| author | Sverker Eriksson <[email protected]> | 2013-03-12 16:04:15 +0100 |
|---|---|---|
| committer | Sverker Eriksson <[email protected]> | 2013-03-12 16:04:15 +0100 |
| commit | 2e658b94a047d3333284159ac74fde74b51c5182 (patch) | |
| tree | 5642d94992770e495ce1bb7a1bfc28205ecf838d /lib/stdlib | |
| parent | bec7094e6b238774997bcb12f308f7f5bfadf160 (diff) | |
| parent | 3fcaed87471abcedda4a04686efe963537519528 (diff) | |
| download | otp-2e658b94a047d3333284159ac74fde74b51c5182.tar.gz otp-2e658b94a047d3333284159ac74fde74b51c5182.tar.bz2 otp-2e658b94a047d3333284159ac74fde74b51c5182.zip | |
Merge branch 'sverk/test-cuddling' into maint
* sverk/test-cuddling:
stdlib: Remove race in ets_SUITE:delete_large_tab
stdlib: Remove race in ets_SUITE:delete_large_named_table
Diffstat (limited to 'lib/stdlib')
| -rw-r--r-- | lib/stdlib/test/ets_SUITE.erl | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl index b6c94a6f6d..d40609eeb0 100644 --- a/lib/stdlib/test/ets_SUITE.erl +++ b/lib/stdlib/test/ets_SUITE.erl @@ -3218,6 +3218,7 @@ delete_large_tab_1(Name, Flags, Data, Fix) -> end end, 0), + SchedTracerMon = monitor(process, SchedTracer), ?line Loopers = start_loopers(erlang:system_info(schedulers), Prio, fun (_) -> erlang:yield() end, @@ -3237,12 +3238,14 @@ delete_large_tab_1(Name, Flags, Data, Fix) -> N >= 5 -> ?line ok; true -> ?line ?t:fail() end - end. + end, + receive {'DOWN',SchedTracerMon,process,SchedTracer,_} -> ok end, + ok. delete_large_named_table(doc) -> "Delete a large name table and try to create a new table with the same name in another process."; delete_large_named_table(Config) when is_list(Config) -> - ?line Data = [{erlang:phash2(I, 16#ffffff),I} || I <- lists:seq(1, 500000)], + ?line Data = [{erlang:phash2(I, 16#ffffff),I} || I <- lists:seq(1, 200000)], ?line EtsMem = etsmem(), repeat_for_opts(fun(Opts) -> delete_large_named_table_do(Opts,Data) end), ?line verify_etsmem(EtsMem), @@ -3264,16 +3267,17 @@ delete_large_named_table_1(Name, Flags, Data, Fix) -> ?line lists:foreach(fun({K,_}) -> ets:delete(Tab, K) end, Data) end, Parent = self(), - Pid = my_spawn_link(fun() -> - receive - {trace,Parent,call,_} -> - ets_new(Name, [named_table]) - end - end), + {Pid, MRef} = my_spawn_opt(fun() -> + receive + {trace,Parent,call,_} -> + ets_new(Name, [named_table]) + end + end, [link, monitor]), ?line erlang:trace(self(), true, [call,{tracer,Pid}]), ?line erlang:trace_pattern({ets,delete,1}, true, [global]), ?line erlang:yield(), true = ets:delete(Tab), ?line erlang:trace_pattern({ets,delete,1}, false, [global]), + receive {'DOWN',MRef,process,Pid,_} -> ok end, ok. evil_delete(doc) -> |