mirror of
https://github.com/php/php-src.git
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142 lines
4.0 KiB
C
142 lines
4.0 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) 1998-2004 Zend Technologies Ltd. (http://www.zend.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.00 of the Zend license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.zend.com/license/2_00.txt. |
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| If you did not receive a copy of the Zend license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@zend.com so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Andi Gutmans <andi@zend.com> |
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| Zeev Suraski <zeev@zend.com> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#ifndef ZEND_FAST_CACHE_H
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#define ZEND_FAST_CACHE_H
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#ifndef ZEND_ENABLE_FAST_CACHE
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# if ZEND_DEBUG
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# define ZEND_ENABLE_FAST_CACHE 0
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# else
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# define ZEND_ENABLE_FAST_CACHE 0
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# endif
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#endif
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typedef struct _zend_fast_cache_list_entry {
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struct _zend_fast_cache_list_entry *next;
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} zend_fast_cache_list_entry;
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#define MAX_FAST_CACHE_TYPES 4
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#define ZVAL_CACHE_LIST 0
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#define HASHTABLE_CACHE_LIST 1
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#if ZEND_ENABLE_FAST_CACHE
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#include "zend_globals.h"
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#include "zend_globals_macros.h"
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#include "zend_alloc.h"
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#if ZEND_DEBUG
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# define RECORD_ZVAL_CACHE_HIT(fc_type) AG(fast_cache_stats)[fc_type][1]++;
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# define RECORD_ZVAL_CACHE_MISS(fc_type) AG(fast_cache_stats)[fc_type][0]++;
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#else
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# define RECORD_ZVAL_CACHE_HIT(fc_type)
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# define RECORD_ZVAL_CACHE_MISS(fc_type)
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#endif
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#define ZEND_FAST_ALLOC(p, type, fc_type) \
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{ \
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TSRMLS_FETCH(); \
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\
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if (((p) = (type *) AG(fast_cache_list_head)[fc_type])) { \
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AG(fast_cache_list_head)[fc_type] = ((zend_fast_cache_list_entry *) AG(fast_cache_list_head)[fc_type])->next; \
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RECORD_ZVAL_CACHE_HIT(fc_type); \
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} else { \
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(p) = (type *) emalloc(sizeof(type)); \
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RECORD_ZVAL_CACHE_MISS(fc_type); \
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} \
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}
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#define ZEND_FAST_FREE(p, fc_type) \
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{ \
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TSRMLS_FETCH(); \
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\
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((zend_fast_cache_list_entry *) (p))->next = (zend_fast_cache_list_entry *) AG(fast_cache_list_head)[fc_type]; \
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AG(fast_cache_list_head)[fc_type] = (zend_fast_cache_list_entry *) (p); \
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}
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#define ZEND_FAST_ALLOC_REL(p, type, fc_type) \
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ZEND_FAST_ALLOC(p, type, fc_type)
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#define ZEND_FAST_FREE_REL(p, fc_type) \
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ZEND_FAST_FREE(p, fc_type)
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#else /* !ZEND_ENABLE_FAST_CACHE */
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#define ZEND_FAST_ALLOC(p, type, fc_type) \
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(p) = (type *) emalloc(sizeof(type))
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#define ZEND_FAST_FREE(p, fc_type) \
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efree(p)
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#define ZEND_FAST_ALLOC_REL(p, type, fc_type) \
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(p) = (type *) emalloc_rel(sizeof(type))
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#define ZEND_FAST_FREE_REL(p, fc_type) \
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efree_rel(p)
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#endif /* ZEND_ENABLE_FAST_CACHE */
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/* fast cache for zval's */
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#define ALLOC_ZVAL(z) \
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ZEND_FAST_ALLOC(z, zval, ZVAL_CACHE_LIST)
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#define FREE_ZVAL(z) \
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ZEND_FAST_FREE(z, ZVAL_CACHE_LIST)
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#define ALLOC_ZVAL_REL(z) \
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ZEND_FAST_ALLOC_REL(z, zval, ZVAL_CACHE_LIST)
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#define FREE_ZVAL_REL(z) \
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ZEND_FAST_FREE_REL(z, ZVAL_CACHE_LIST)
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/* fast cache for HashTables */
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#define ALLOC_HASHTABLE(ht) \
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ZEND_FAST_ALLOC(ht, HashTable, HASHTABLE_CACHE_LIST)
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#define FREE_HASHTABLE(ht) \
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ZEND_FAST_FREE(ht, HASHTABLE_CACHE_LIST)
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#define ALLOC_HASHTABLE_REL(ht) \
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ZEND_FAST_ALLOC_REL(ht, HashTable, HASHTABLE_CACHE_LIST)
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#define FREE_HASHTABLE_REL(ht) \
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ZEND_FAST_FREE_REL(ht, HASHTABLE_CACHE_LIST)
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#endif /* ZEND_FAST_CACHE_H */
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* indent-tabs-mode: t
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* End:
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*/
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