diff options
| -rw-r--r-- | erts/emulator/beam/erl_db_hash.c | 8 | ||||
| -rw-r--r-- | lib/stdlib/test/ets_SUITE.erl | 54 |
2 files changed, 33 insertions, 29 deletions
diff --git a/erts/emulator/beam/erl_db_hash.c b/erts/emulator/beam/erl_db_hash.c index 06dac8f161..b1d9eb84bc 100644 --- a/erts/emulator/beam/erl_db_hash.c +++ b/erts/emulator/beam/erl_db_hash.c @@ -2402,10 +2402,10 @@ static int alloc_seg(DbTableHash *tb) */ static int free_seg(DbTableHash *tb, int free_records) { - int seg_ix = (tb->nslots >> SEGSZ_EXP) - 1; + const int seg_ix = (tb->nslots >> SEGSZ_EXP) - 1; + struct segment** const segtab = SEGTAB(tb); + struct ext_segment* const top = (struct ext_segment*) segtab[seg_ix]; int bytes; - struct segment** segtab = SEGTAB(tb); - struct ext_segment* top = (struct ext_segment*) segtab[seg_ix]; int nrecords = 0; ASSERT(top != NULL); @@ -2468,7 +2468,7 @@ static int free_seg(DbTableHash *tb, int free_records) (void*)top, bytes); #ifdef DEBUG if (seg_ix > 0) { - if (seg_ix < tb->nsegs) SEGTAB(tb)[seg_ix] = NULL; + segtab[seg_ix] = NULL; } else { SET_SEGTAB(tb, NULL); } diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl index 8dc8b2c291..5490dae12f 100644 --- a/lib/stdlib/test/ets_SUITE.erl +++ b/lib/stdlib/test/ets_SUITE.erl @@ -5000,36 +5000,40 @@ colliding_names(Name) -> grow_shrink(Config) when is_list(Config) -> ?line EtsMem = etsmem(), - ?line grow_shrink_0(lists:seq(3071, 5000), EtsMem), - ?line verify_etsmem(EtsMem). -grow_shrink_0([N|Ns], EtsMem) -> - ?line grow_shrink_1(N, [set]), - ?line grow_shrink_1(N, [ordered_set]), - %% Verifying ets-memory here takes too long time, since - %% lock-free allocators were introduced... - %% ?line verify_etsmem(EtsMem), - grow_shrink_0(Ns, EtsMem); -grow_shrink_0([], _) -> ok. - -grow_shrink_1(N, Flags) -> - ?line T = ets_new(a, Flags), - ?line grow_shrink_2(N, N, T), - ?line ets:delete(T). + Set = ets_new(a, [set]), + grow_shrink_0(0, 3071, 3000, 5000, Set), + ets:delete(Set), + + %OrdSet = ets_new(a, [ordered_set]), + %grow_shrink_0(0, lists:seq(3071, 5000), OrdSet), + %ets:delete(OrdSet), -grow_shrink_2(0, Orig, T) -> - List = [{I,a} || I <- lists:seq(1, Orig)], - List = lists:sort(ets:tab2list(T)), - grow_shrink_3(Orig, T); -grow_shrink_2(N, Orig, T) -> + ?line verify_etsmem(EtsMem). + +grow_shrink_0(N, _, _, Max, _) when N >= Max -> + ok; +grow_shrink_0(N0, GrowN, ShrinkN, Max, T) -> + N1 = grow_shrink_1(N0, GrowN, ShrinkN, T), + grow_shrink_0(N1, GrowN, ShrinkN, Max, T). + +grow_shrink_1(N0, GrowN, ShrinkN, T) -> + N1 = grow_shrink_2(N0+1, N0 + GrowN, T), + grow_shrink_3(N1, N1 - ShrinkN, T). + +grow_shrink_2(N, GrowTo, _) when N > GrowTo -> + %io:format("Grown to ~p\n", [GrowTo]), + GrowTo; +grow_shrink_2(N, GrowTo, T) -> true = ets:insert(T, {N,a}), - grow_shrink_2(N-1, Orig, T). + grow_shrink_2(N+1, GrowTo, T). -grow_shrink_3(0, T) -> - [] = ets:tab2list(T); -grow_shrink_3(N, T) -> +grow_shrink_3(N, ShrinkTo, _) when N =< ShrinkTo -> + %io:format("Shrunk to ~p\n", [ShrinkTo]), + ShrinkTo; +grow_shrink_3(N, ShrinkTo, T) -> true = ets:delete(T, N), - grow_shrink_3(N-1, T). + grow_shrink_3(N-1, ShrinkTo, T). grow_pseudo_deleted(doc) -> ["Grow a table that still contains pseudo-deleted objects"]; grow_pseudo_deleted(suite) -> []; |