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Diffstat (limited to 'Zend/zend_fast_cache.h')
| -rw-r--r-- | Zend/zend_fast_cache.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/Zend/zend_fast_cache.h b/Zend/zend_fast_cache.h new file mode 100644 index 0000000000..865fb23c51 --- /dev/null +++ b/Zend/zend_fast_cache.h @@ -0,0 +1,110 @@ +/* + +----------------------------------------------------------------------+ + | 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: + */ |