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|
/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998, 1999 Andi Gutmans, Zeev Suraski |
+----------------------------------------------------------------------+
| This source file is subject to version 0.91 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.zend.com/license/0_91.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <andi@zend.com> |
| Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
#ifndef _ZEND_FAST_CACHE_H
#define _ZEND_FAST_CACHE_H
#define ZEND_ENABLE_FAST_CACHE 1
#define MAX_FAST_CACHE_TYPES 4
#if ZEND_ENABLE_FAST_CACHE
#define ZVAL_CACHE_LIST 0
#define HASHTABLE_CACHE_LIST 1
#include "zend_globals.h"
#include "zend_globals_macros.h"
#include "zend_alloc.h"
typedef struct _zend_fast_cache_list_entry {
struct _zend_fast_cache_list_entry *next;
} zend_fast_cache_list_entry;
#if ZEND_DEBUG
# define RECORD_ZVAL_CACHE_HIT(fc_type) AG(fast_cache_stats)[fc_type][1]++;
# define RECORD_ZVAL_CACHE_MISS(fc_type) AG(fast_cache_stats)[fc_type][0]++;
#else
# define RECORD_ZVAL_CACHE_HIT(fc_type)
# define RECORD_ZVAL_CACHE_MISS(fc_type)
#endif
#ifndef ZTS
extern zend_alloc_globals alloc_globals;
#endif
#define ZEND_FAST_ALLOC(p, type, fc_type) \
{ \
ALS_FETCH(); \
\
if (((p) = (type *) AG(fast_cache_list_head)[fc_type])) { \
AG(fast_cache_list_head)[fc_type] = ((zend_fast_cache_list_entry *) AG(fast_cache_list_head)[fc_type])->next; \
RECORD_ZVAL_CACHE_HIT(fc_type); \
} else { \
(p) = (type *) emalloc(sizeof(type)); \
RECORD_ZVAL_CACHE_MISS(fc_type); \
} \
}
#define ZEND_FAST_FREE(p, fc_type) \
{ \
ALS_FETCH(); \
\
((zend_fast_cache_list_entry *) (p))->next = AG(fast_cache_list_head)[fc_type]; \
AG(fast_cache_list_head)[fc_type] = (zend_fast_cache_list_entry *) (p); \
}
#else /* !ZEND_ENABLE_FAST_CACHE */
#define ZEND_FAST_ALLOC(p, type, fc_type) \
(p) = (type *) emalloc(sizeof(type))
#define ZEND_FAST_FREE(p, fc_type) \
efree(p)
#endif /* ZEND_ENABLE_FAST_CACHE */
/* fast cache for zval's */
#define ALLOC_ZVAL(z) \
ZEND_FAST_ALLOC(z, zval, ZVAL_CACHE_LIST)
#define FREE_ZVAL(z) \
ZEND_FAST_FREE(z, ZVAL_CACHE_LIST)
/* fast cache for HashTable's */
#define ALLOC_HASHTABLE(b) \
ZEND_FAST_ALLOC(b, HashTable, HASHTABLE_CACHE_LIST)
#define FREE_HASHTABLE(ht) \
ZEND_FAST_FREE(ht, HASHTABLE_CACHE_LIST)
#endif /* _ZEND_FAST_CACHE_H */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
*/
|
