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-rw-r--r--erts/emulator/beam/erl_db_tree.c63
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;