diff options
Diffstat (limited to 'erts/emulator/beam/erl_db.c')
| -rw-r--r-- | erts/emulator/beam/erl_db.c | 57 |
1 files changed, 31 insertions, 26 deletions
diff --git a/erts/emulator/beam/erl_db.c b/erts/emulator/beam/erl_db.c index 3173d3510e..61e8a595be 100644 --- a/erts/emulator/beam/erl_db.c +++ b/erts/emulator/beam/erl_db.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1996-2010. All Rights Reserved. + * Copyright Ericsson AB 1996-2011. 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 @@ -910,7 +910,8 @@ BIF_RETTYPE ets_update_counter_3(BIF_ALIST_3) Eterm upop; Eterm* tpl; Sint position; - Eterm incr, warp, oldcnt; + Eterm incr, warp; + Wterm oldcnt; if (is_not_list(iter)) { goto finalize; @@ -985,7 +986,7 @@ BIF_RETTYPE ets_update_counter_3(BIF_ALIST_3) Eterm* tpl = tuple_val(CAR(list_val(iter))); Sint position = signed_val(tpl[1]); Eterm incr = tpl[2]; - Eterm oldcnt = handle.dbterm->tpl[position]; + Wterm oldcnt = db_do_read_element(&handle,position); Eterm newcnt = db_add_counter(&htop, oldcnt, incr); if (newcnt == NIL) { @@ -998,9 +999,9 @@ BIF_RETTYPE ets_update_counter_3(BIF_ALIST_3) if (arityval(*tpl) == 4) { /* Maybe warp it */ Eterm threshold = tpl[3]; - if ((cmp(incr,make_small(0)) < 0) ? /* negative increment? */ - (cmp(newcnt,threshold) < 0) : /* if negative, check if below */ - (cmp(newcnt,threshold) > 0)) { /* else check if above threshold */ + if ((CMP(incr,make_small(0)) < 0) ? /* negative increment? */ + (CMP(newcnt,threshold) < 0) : /* if negative, check if below */ + (CMP(newcnt,threshold) > 0)) { /* else check if above threshold */ newcnt = tpl[4]; } @@ -2712,7 +2713,6 @@ BIF_RETTYPE ets_match_spec_run_r_3(BIF_ALIST_3) Binary *mp; Eterm res; Uint32 dummy; - Uint sz; if (!(is_list(BIF_ARG_1) || BIF_ARG_1 == NIL) || !is_binary(BIF_ARG_2)) { error: @@ -2737,11 +2737,10 @@ BIF_RETTYPE ets_match_spec_run_r_3(BIF_ALIST_3) BIF_TRAP3(bif_export[BIF_ets_match_spec_run_r_3], BIF_P,lst,BIF_ARG_2,ret); } - res = db_prog_match(BIF_P, mp, CAR(list_val(lst)), NULL, 0, &dummy); + res = db_prog_match(BIF_P, mp, CAR(list_val(lst)), NULL, NULL, 0, + ERTS_PAM_COPY_RESULT, &dummy); if (is_value(res)) { - sz = size_object(res); - hp = HAlloc(BIF_P, sz + 2); - res = copy_struct(res, sz, &hp, &MSO(BIF_P)); + hp = HAlloc(BIF_P, 2); ret = CONS(hp,res,ret); /*hp += 2;*/ } @@ -2774,17 +2773,10 @@ void init_db(void) rwmtx_opt.type = ERTS_SMP_RWMTX_TYPE_FREQUENT_READ; rwmtx_opt.lived = ERTS_SMP_RWMTX_LONG_LIVED; - meta_main_tab_locks = erts_alloc(ERTS_ALC_T_DB_TABLES, - (sizeof(erts_meta_main_tab_lock_t) - * (ERTS_META_MAIN_TAB_LOCK_TAB_SIZE+1))); - - if ((((UWord) meta_main_tab_locks) & ERTS_CACHE_LINE_MASK) != 0) - meta_main_tab_locks = ((erts_meta_main_tab_lock_t *) - ((((UWord) meta_main_tab_locks) - & ~ERTS_CACHE_LINE_MASK) - + ERTS_CACHE_LINE_SIZE)); - - ASSERT((((UWord) meta_main_tab_locks) & ERTS_CACHE_LINE_MASK) == 0); + meta_main_tab_locks = + erts_alloc_permanent_cache_aligned(ERTS_ALC_T_DB_TABLES, + sizeof(erts_meta_main_tab_lock_t) + * ERTS_META_MAIN_TAB_LOCK_TAB_SIZE); for (i = 0; i < ERTS_META_MAIN_TAB_LOCK_TAB_SIZE; i++) { erts_smp_rwmtx_init_opt_x(&meta_main_tab_locks[i].rwmtx, &rwmtx_opt, @@ -3490,11 +3482,24 @@ static void set_heir(Process* me, DbTable* tb, Eterm heir, UWord heir_data) if (!is_immed(heir_data)) { DeclareTmpHeap(tmp,2,me); + Eterm wrap_tpl; + int size; + DbTerm* dbterm; + Eterm* top; + ErlOffHeap tmp_offheap; UseTmpHeap(2,me); - /* Make a dummy 1-tuple around data to use db_get_term() */ - heir_data = (UWord) db_store_term(&tb->common, NULL, 0, - TUPLE1(tmp,heir_data)); + /* Make a dummy 1-tuple around data to use DbTerm */ + wrap_tpl = TUPLE1(tmp,heir_data); + size = size_object(wrap_tpl); + dbterm = erts_db_alloc(ERTS_ALC_T_DB_HEIR_DATA, (DbTable *)tb, + (sizeof(DbTerm) + sizeof(Eterm)*(size-1))); + dbterm->size = size; + top = dbterm->tpl; + tmp_offheap.first = NULL; + copy_struct(wrap_tpl, size, &top, &tmp_offheap); + dbterm->first_oh = tmp_offheap.first; + heir_data = (UWord)dbterm; UnUseTmpHeap(2,me); ASSERT(!is_immed(heir_data)); } @@ -3506,7 +3511,7 @@ static void free_heir_data(DbTable* tb) if (tb->common.heir != am_none && !is_immed(tb->common.heir_data)) { DbTerm* p = (DbTerm*) tb->common.heir_data; db_cleanup_offheap_comp(p); - erts_db_free(ERTS_ALC_T_DB_TERM, tb, (void *)p, + erts_db_free(ERTS_ALC_T_DB_HEIR_DATA, tb, (void *)p, sizeof(DbTerm) + (p->size-1)*sizeof(Eterm)); } #ifdef DEBUG |