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b982307dd1
Draft 3 of IEEE 1003.1 200x, "2.2 The Compilation Environment"
All identifiers that begin with an underscore and either an uppercase
letter or another underscore are always reserved for any use by the
implementation.
141 lines
3.9 KiB
C
141 lines
3.9 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) 1998-2000 Zend Technologies Ltd. (http://www.zend.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 0.92 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 at through the world-wide-web at |
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| http://www.zend.com/license/0_92.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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#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 1
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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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ALS_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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ALS_FETCH(); \
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\
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((zend_fast_cache_list_entry *) (p))->next = 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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* End:
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*/
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