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-rw-r--r--erts/emulator/beam/erl_db_hash.h31
1 files changed, 14 insertions, 17 deletions
diff --git a/erts/emulator/beam/erl_db_hash.h b/erts/emulator/beam/erl_db_hash.h
index e654363cd5..523ed7860e 100644
--- a/erts/emulator/beam/erl_db_hash.h
+++ b/erts/emulator/beam/erl_db_hash.h
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1998-2016. All Rights Reserved.
+ * Copyright Ericsson AB 1998-2017. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -50,23 +50,23 @@ typedef struct db_table_hash_fine_locks {
typedef struct db_table_hash {
DbTableCommon common;
- erts_smp_atomic_t segtab; /* The segment table (struct segment**) */
+ /* SMP: szm and nactive are write-protected by is_resizing or table write lock */
erts_smp_atomic_t szm; /* current size mask. */
-
+ erts_smp_atomic_t nactive; /* Number of "active" slots */
+
+ erts_smp_atomic_t segtab; /* The segment table (struct segment**) */
+ struct segment* first_segtab[1];
+
/* SMP: nslots and nsegs are protected by is_resizing or table write lock */
int nslots; /* Total number of slots */
int nsegs; /* Size of segment table */
/* List of slots where elements have been deleted while table was fixed */
erts_smp_atomic_t fixdel; /* (FixedDeletion*) */
- erts_smp_atomic_t nactive; /* Number of "active" slots */
- erts_smp_atomic_t is_resizing; /* grow/shrink in progress */
#ifdef ERTS_SMP
+ erts_smp_atomic_t is_resizing; /* grow/shrink in progress */
DbTableHashFineLocks* locks;
#endif
-#ifdef VALGRIND
- struct ext_segment* top_ptr_to_segment_with_active_segtab;
-#endif
} DbTableHash;
@@ -75,7 +75,7 @@ typedef struct db_table_hash {
** table types. The process is always an [in out] parameter.
*/
void db_initialize_hash(void);
-void db_unfix_table_hash(DbTableHash *tb /* [in out] */);
+SWord db_unfix_table_hash(DbTableHash *tb);
Uint db_kept_items_hash(DbTableHash *tb);
/* Interface for meta pid table */
@@ -88,14 +88,6 @@ int db_get_hash(Process *p, DbTable *tbl, Eterm key, Eterm *ret);
int db_erase_hash(DbTable *tbl, Eterm key, Eterm *ret);
-int db_get_element_array(DbTable *tbl,
- Eterm key,
- int ndex,
- Eterm *ret,
- int *num_ret);
-
-int db_erase_bag_exact2(DbTable *tbl, Eterm key, Eterm value);
-
/* not yet in method table */
int db_mark_all_deleted_hash(DbTable *tbl);
@@ -109,5 +101,10 @@ typedef struct {
}DbHashStats;
void db_calc_stats_hash(DbTableHash* tb, DbHashStats*);
+Eterm erts_ets_hash_sizeof_ext_segtab(void);
+
+#ifdef ERTS_ENABLE_LOCK_COUNT
+void erts_lcnt_enable_db_hash_lock_count(DbTableHash *tb, int enable);
+#endif
#endif /* _DB_HASH_H */