diff options
Diffstat (limited to 'erts/emulator/beam/hash.h')
-rw-r--r-- | erts/emulator/beam/hash.h | 56 |
1 files changed, 30 insertions, 26 deletions
diff --git a/erts/emulator/beam/hash.h b/erts/emulator/beam/hash.h index 6dd66fc9b3..4e769c0119 100644 --- a/erts/emulator/beam/hash.h +++ b/erts/emulator/beam/hash.h @@ -1,18 +1,19 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1996-2009. All Rights Reserved. + * Copyright Ericsson AB 1996-2016. 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 - * compliance with the License. You should have received a copy of the - * Erlang Public License along with this software. If not, it can be - * retrieved online at http://www.erlang.org/. - * - * Software distributed under the License is distributed on an "AS IS" - * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - * the License for the specific language governing rights and limitations - * under the License. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. * * %CopyrightEnd% */ @@ -24,18 +25,19 @@ #ifndef __HASH_H__ #define __HASH_H__ -#ifndef __SYS_H__ #include "sys.h" -#endif - -#include "erl_alloc.h" typedef unsigned long HashValue; +typedef struct hash Hash; typedef int (*HCMP_FUN)(void*, void*); typedef HashValue (*H_FUN)(void*); typedef void* (*HALLOC_FUN)(void*); typedef void (*HFREE_FUN)(void*); +/* Meta functions */ +typedef void* (*HMALLOC_FUN)(int,size_t); +typedef void (*HMFREE_FUN)(int,void*); +typedef int (*HMPRINT_FUN)(int,void*,char*, ...); /* ** This bucket must be placed in top of @@ -54,6 +56,9 @@ typedef struct hash_functions HCMP_FUN cmp; HALLOC_FUN alloc; HFREE_FUN free; + HMALLOC_FUN meta_alloc; + HMFREE_FUN meta_free; + HMPRINT_FUN meta_print; } HashFunctions; typedef struct { @@ -64,22 +69,23 @@ typedef struct { int depth; } HashInfo; -typedef struct hash +struct hash { HashFunctions fun; /* Function block */ int is_allocated; /* 0 iff hash structure is on stack or is static */ - ErtsAlcType_t type; + int meta_alloc_type; /* argument to pass to meta_alloc and meta_free */ char* name; /* Table name (static string, for debugging) */ int size; /* Number of slots */ - int size20percent; /* 20 percent of number of slots */ - int size80percent; /* 80 percent of number of slots */ - int ix; /* Size index in size table */ - int used; /* Number of slots used */ + int shrink_threshold; + int grow_threshold; + int size_ix; /* Size index in size table */ + int min_size_ix; /* Never shrink table smaller than this */ + int nobjs; /* Number of objects in table */ HashBucket** bucket; /* Vector of bucket pointers (objects) */ -} Hash; +}; -Hash* hash_new(ErtsAlcType_t, char*, int, HashFunctions); -Hash* hash_init(ErtsAlcType_t, Hash*, char*, int, HashFunctions); +Hash* hash_new(int, char*, int, HashFunctions); +Hash* hash_init(int, Hash*, char*, int, HashFunctions); void hash_delete(Hash*); void hash_get_info(HashInfo*, Hash*); @@ -92,6 +98,4 @@ void* hash_erase(Hash*, void*); void* hash_remove(Hash*, void*); void hash_foreach(Hash*, void (*func)(void *, void *), void *); -void erts_hash_merge(Hash* src, Hash* dst); - #endif |