1 files changed, 23 insertions, 15 deletions

diff --git a/erts/emulator/beam/erl_db_hash.h b/erts/emulator/beam/erl_db_hash.h
index 523ed7860e..eae5537ba4 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 1998-2017. All Rights Reserved.
+ * Copyright Ericsson AB 1998-2018. 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.
@@ -24,13 +24,26 @@
 #include "erl_db_util.h" /* DbTerm & DbTableCommon */
 
 typedef struct fixed_deletion {
-    int slot;
+    UWord slot : sizeof(UWord)*8 - 2;
+    UWord all : 1;
+    UWord trap : 1;
     struct fixed_deletion *next;
 } FixedDeletion;
 
+
+typedef Uint32 HashVal;
+
 typedef struct hash_db_term {
     struct  hash_db_term* next;  /* next bucket */
-    HashValue  hvalue;        /* stored hash value */
+#if SIZEOF_VOID_P == 4
+    Uint32 hvalue : 31;     /* stored hash value */
+    Uint32 pseudo_deleted : 1;
+# define MAX_HASH_MASK (((Uint32)1 << 31)-1)
+#elif SIZEOF_VOID_P == 8
+    Uint32 hvalue;
+    Uint32 pseudo_deleted;
+# define MAX_HASH_MASK ((Uint32)(Sint32)-1)
+#endif
     DbTerm dbterm;         /* The actual term */
 } HashDbTerm;
 
@@ -42,8 +55,8 @@ typedef struct hash_db_term {
 
 typedef struct db_table_hash_fine_locks {
     union {
-	erts_smp_rwmtx_t lck;
-	byte _cache_line_alignment[ERTS_ALC_CACHE_LINE_ALIGN_SIZE(sizeof(erts_smp_rwmtx_t))];
+	erts_rwmtx_t lck;
+	byte _cache_line_alignment[ERTS_ALC_CACHE_LINE_ALIGN_SIZE(sizeof(erts_rwmtx_t))];
     }lck_vec[DB_HASH_LOCK_CNT];
 } DbTableHashFineLocks;
 
@@ -51,10 +64,10 @@ typedef struct db_table_hash {
     DbTableCommon common;
 
     /* 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_atomic_t szm;     /* current size mask. */
+    erts_atomic_t nactive; /* Number of "active" slots */
 
-    erts_smp_atomic_t segtab;  /* The segment table (struct segment**) */
+    erts_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 */
@@ -62,11 +75,9 @@ typedef struct db_table_hash {
     int nsegs;        /* Size of segment table */
 
     /* List of slots where elements have been deleted while table was fixed */
-    erts_smp_atomic_t fixdel;  /* (FixedDeletion*) */	
-#ifdef ERTS_SMP
-    erts_smp_atomic_t is_resizing; /* grow/shrink in progress */
+    erts_atomic_t fixdel;  /* (FixedDeletion*) */
+    erts_atomic_t is_resizing; /* grow/shrink in progress */
     DbTableHashFineLocks* locks;
-#endif
 } DbTableHash;
 
 
@@ -88,9 +99,6 @@ int db_get_hash(Process *p, DbTable *tbl, Eterm key, Eterm *ret);
 
 int db_erase_hash(DbTable *tbl, Eterm key, Eterm *ret);
 
-/* not yet in method table */
-int db_mark_all_deleted_hash(DbTable *tbl);
-
 typedef struct {
     float avg_chain_len;
     float std_dev_chain_len;