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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2007 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.0 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_0.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Antony Dovgal <tony2001@phpclub.net> |
| Mikael Johansson <mikael AT synd DOT info> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifndef MEMCACHE_QUEUE_H_
#define MEMCACHE_QUEUE_H_
/* request / server stack */
#define MMC_QUEUE_PREALLOC 25
typedef struct mmc_queue {
void **items; /* items on queue */
int alloc; /* allocated size */
int head; /* head index in ring buffer */
int tail; /* tail index in ring buffer */
int len;
} mmc_queue_t;
#define mmc_queue_release(q) ZEND_SECURE_ZERO((q), sizeof(*(q)))
#define mmc_queue_reset(q) (q)->len = (q)->head = (q)->tail = 0
#define mmc_queue_item(q, i) ((q)->tail + (i) < (q)->alloc ? (q)->items[(q)->tail + (i)] : (q)->items[(i) - ((q)->alloc - (q)->tail)])
#ifdef PHP_WIN32
#define MMC_QUEUE_INLINE
#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
/* see https://gcc.gnu.org/gcc-5/porting_to.html */
#define MMC_QUEUE_INLINE extern inline
#else
#define MMC_QUEUE_INLINE inline
#endif
void mmc_queue_push(mmc_queue_t *, void *);
void *mmc_queue_pop(mmc_queue_t *);
int mmc_queue_contains(mmc_queue_t *, void *);
void mmc_queue_free(mmc_queue_t *);
void mmc_queue_copy(mmc_queue_t *, mmc_queue_t *);
void mmc_queue_remove(mmc_queue_t *, void *);
#endif /*MEMCACHE_QUEUE_H_*/
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/
|
