diff options
Diffstat (limited to 'erts/emulator/beam/erl_db_tree.c')
-rw-r--r-- | erts/emulator/beam/erl_db_tree.c | 63 |
1 files changed, 29 insertions, 34 deletions
diff --git a/erts/emulator/beam/erl_db_tree.c b/erts/emulator/beam/erl_db_tree.c index c4ecd2ba37..14a7451267 100644 --- a/erts/emulator/beam/erl_db_tree.c +++ b/erts/emulator/beam/erl_db_tree.c @@ -180,7 +180,6 @@ static ERTS_INLINE TreeDbTerm* replace_dbterm(DbTableTree *tb, TreeDbTerm* old, static TreeDbTerm *traverse_until(TreeDbTerm *t, int *current, int to); static void check_slot_pos(DbTableTree *tb); static void check_saved_stack(DbTableTree *tb); -static int check_table_tree(DbTableTree* tb, TreeDbTerm *t); #define TREE_DEBUG #endif @@ -283,7 +282,7 @@ struct select_delete_context { static TreeDbTerm *linkout_tree(DbTableTree *tb, Eterm key); static TreeDbTerm *linkout_object_tree(DbTableTree *tb, Eterm object); -static int do_free_tree_cont(DbTableTree *tb, int num_left); +static SWord do_free_tree_continue(DbTableTree *tb, SWord reds); static void free_term(DbTableTree *tb, TreeDbTerm* p); static int balance_left(TreeDbTerm **this); static int balance_right(TreeDbTerm **this); @@ -369,18 +368,18 @@ static int db_erase_tree(DbTable *tbl, Eterm key, Eterm *ret); static int db_erase_object_tree(DbTable *tbl, Eterm object,Eterm *ret); static int db_slot_tree(Process *p, DbTable *tbl, Eterm slot_term, Eterm *ret); -static int db_select_tree(Process *p, DbTable *tbl, +static int db_select_tree(Process *p, DbTable *tbl, Eterm tid, Eterm pattern, int reversed, Eterm *ret); -static int db_select_count_tree(Process *p, DbTable *tbl, +static int db_select_count_tree(Process *p, DbTable *tbl, Eterm tid, Eterm pattern, Eterm *ret); -static int db_select_chunk_tree(Process *p, DbTable *tbl, +static int db_select_chunk_tree(Process *p, DbTable *tbl, Eterm tid, Eterm pattern, Sint chunk_size, int reversed, Eterm *ret); static int db_select_continue_tree(Process *p, DbTable *tbl, Eterm continuation, Eterm *ret); static int db_select_count_continue_tree(Process *p, DbTable *tbl, Eterm continuation, Eterm *ret); -static int db_select_delete_tree(Process *p, DbTable *tbl, +static int db_select_delete_tree(Process *p, DbTable *tbl, Eterm tid, Eterm pattern, Eterm *ret); static int db_select_delete_continue_tree(Process *p, DbTable *tbl, Eterm continuation, Eterm *ret); @@ -389,7 +388,7 @@ static void db_print_tree(fmtfn_t to, void *to_arg, int show, DbTable *tbl); static int db_free_table_tree(DbTable *tbl); -static int db_free_table_continue_tree(DbTable *tbl); +static SWord db_free_table_continue_tree(DbTable *tbl, SWord); static void db_foreach_offheap_tree(DbTable *, void (*)(ErlOffHeap *, void *), @@ -442,11 +441,6 @@ DbTableMethod db_tree = db_free_table_continue_tree, db_print_tree, db_foreach_offheap_tree, -#ifdef HARDDEBUG - db_check_table_tree, -#else - NULL, -#endif db_lookup_dbterm_tree, db_finalize_dbterm_tree @@ -1058,7 +1052,7 @@ static int db_select_continue_tree(Process *p, } -static int db_select_tree(Process *p, DbTable *tbl, +static int db_select_tree(Process *p, DbTable *tbl, Eterm tid, Eterm pattern, int reverse, Eterm *ret) { /* Strategy: Traverse backwards to build resulting list from tail to head */ @@ -1151,7 +1145,7 @@ static int db_select_tree(Process *p, DbTable *tbl, continuation = TUPLE8 (hp, - tb->common.id, + tid, key, sc.end_condition, /* From the match program, needn't be copied */ make_small(0), /* Chunk size of zero means not chunked to the @@ -1263,7 +1257,7 @@ static int db_select_count_continue_tree(Process *p, } -static int db_select_count_tree(Process *p, DbTable *tbl, +static int db_select_count_tree(Process *p, DbTable *tbl, Eterm tid, Eterm pattern, Eterm *ret) { DbTableTree *tb = &tbl->tree; @@ -1349,7 +1343,7 @@ static int db_select_count_tree(Process *p, DbTable *tbl, continuation = TUPLE5 (hp, - tb->common.id, + tid, key, sc.end_condition, /* From the match program, needn't be copied */ mpb, @@ -1363,7 +1357,7 @@ static int db_select_count_tree(Process *p, DbTable *tbl, } -static int db_select_chunk_tree(Process *p, DbTable *tbl, +static int db_select_chunk_tree(Process *p, DbTable *tbl, Eterm tid, Eterm pattern, Sint chunk_size, int reverse, Eterm *ret) @@ -1474,7 +1468,7 @@ static int db_select_chunk_tree(Process *p, DbTable *tbl, continuation = TUPLE8 (hp, - tb->common.id, + tid, key, sc.end_condition, /* From the match program, needn't be copied */ @@ -1499,7 +1493,7 @@ static int db_select_chunk_tree(Process *p, DbTable *tbl, mpb = erts_db_make_match_prog_ref(p,mpi.mp,&hp); continuation = TUPLE8 (hp, - tb->common.id, + tid, key, sc.end_condition, /* From the match program, needn't be copied */ make_small(chunk_size), @@ -1605,7 +1599,7 @@ static int db_select_delete_continue_tree(Process *p, #undef RET_TO_BIF } -static int db_select_delete_tree(Process *p, DbTable *tbl, +static int db_select_delete_tree(Process *p, DbTable *tbl, Eterm tid, Eterm pattern, Eterm *ret) { DbTableTree *tb = &tbl->tree; @@ -1691,7 +1685,7 @@ static int db_select_delete_tree(Process *p, DbTable *tbl, continuation = TUPLE5 (hp, - tb->common.id, + tid, key, sc.end_condition, /* From the match program, needn't be copied */ mpb, @@ -1757,23 +1751,22 @@ static void db_print_tree(fmtfn_t to, void *to_arg, /* release all memory occupied by a single table */ static int db_free_table_tree(DbTable *tbl) { - while (!db_free_table_continue_tree(tbl)) + while (db_free_table_continue_tree(tbl, ERTS_SWORD_MAX) < 0) ; return 1; } -static int db_free_table_continue_tree(DbTable *tbl) +static SWord db_free_table_continue_tree(DbTable *tbl, SWord reds) { DbTableTree *tb = &tbl->tree; - int result; if (!tb->deletion) { tb->static_stack.pos = 0; tb->deletion = 1; PUSH_NODE(&tb->static_stack, tb->root); } - result = do_free_tree_cont(tb, DELETE_RECORD_LIMIT); - if (result) { /* Completely done. */ + reds = do_free_tree_continue(tb, reds); + if (reds >= 0) { /* Completely done. */ erts_db_free(ERTS_ALC_T_DB_STK, (DbTable *) tb, (void *) tb->static_stack.array, @@ -1781,7 +1774,7 @@ static int db_free_table_continue_tree(DbTable *tbl) ASSERT(erts_smp_atomic_read_nob(&tb->common.memory_size) == sizeof(DbTable)); } - return result; + return reds; } static int db_delete_all_objects_tree(Process* p, DbTable* tbl) @@ -2064,7 +2057,7 @@ static int analyze_pattern(DbTableTree *tb, Eterm pattern, return DB_ERROR_NONE; } -static int do_free_tree_cont(DbTableTree *tb, int num_left) +static SWord do_free_tree_continue(DbTableTree *tb, SWord reds) { TreeDbTerm *root; TreeDbTerm *p; @@ -2083,15 +2076,14 @@ static int do_free_tree_cont(DbTableTree *tb, int num_left) root = p; } else { free_term(tb, root); - if (--num_left > 0) { - break; - } else { - return 0; /* Done enough for now */ - } + if (--reds < 0) { + return reds; /* Done enough for now */ + } + break; } } } - return 1; + return reds; } /* @@ -3130,6 +3122,9 @@ static void do_dump_tree2(DbTableTree* tb, int to, void *to_arg, int show, #ifdef HARDDEBUG +/* + * No called, but kept as it might come to use + */ void db_check_table_tree(DbTable *tbl) { DbTableTree *tb = &tbl->tree; |