New PHP5 APC - version 3.0.18, using PHP5 5.2.0-8+etch10,

[php5-apc.git] / apc_sma.h

diff --git a/apc_sma.h b/apc_sma.h
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+/*
+  +----------------------------------------------------------------------+
+  | APC                                                                  |
+  +----------------------------------------------------------------------+
+  | Copyright (c) 2006 The PHP Group                                     |
+  +----------------------------------------------------------------------+
+  | This source file is subject to version 3.01 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_01.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: Daniel Cowgill <dcowgill@communityconnect.com>              |
+  +----------------------------------------------------------------------+
+
+   This software was contributed to PHP by Community Connect Inc. in 2002
+   and revised in 2005 by Yahoo! Inc. to add support for PHP 5.1.
+   Future revisions and derivatives of this source code must acknowledge
+   Community Connect Inc. as the original contributor of this module by
+   leaving this note intact in the source code.
+
+   All other licensing and usage conditions are those of the PHP Group.
+
+ */
+
+/* $Id: apc_sma.h,v 1.18.2.1 2008/03/25 18:04:53 gopalv Exp $ */
+
+#ifndef APC_SMA_H
+#define APC_SMA_H
+
+#define ALLOC_DISTRIBUTION 0
+
+#include "apc.h"
+
+/* Simple shared memory allocator */
+
+extern void apc_sma_init(int numseg, size_t segsize, char *mmap_file_mask);
+extern void apc_sma_cleanup();
+extern void* apc_sma_malloc(size_t size);
+extern void* apc_sma_realloc(void* p, size_t size);
+extern char* apc_sma_strdup(const char *s);
+extern void apc_sma_free(void* p);
+#if ALLOC_DISTRIBUTION 
+extern size_t *apc_sma_get_alloc_distribution();
+#endif
+
+/* {{{ struct definition: apc_sma_link_t */
+typedef struct apc_sma_link_t apc_sma_link_t;
+struct apc_sma_link_t {
+    long size;               /* size of this free block */
+    long offset;             /* offset in segment of this block */
+    apc_sma_link_t* next;   /* link to next free block */
+};
+/* }}} */
+
+/* {{{ struct definition: apc_sma_info_t */
+typedef struct apc_sma_info_t apc_sma_info_t;
+struct apc_sma_info_t {
+    int num_seg;            /* number of shared memory segments */
+    long seg_size;           /* size of each shared memory segment */
+    apc_sma_link_t** list;  /* there is one list per segment */
+};
+/* }}} */
+
+extern apc_sma_info_t* apc_sma_info(zend_bool limited);
+extern void apc_sma_free_info(apc_sma_info_t* info);
+
+extern size_t apc_sma_get_avail_mem();
+extern void apc_sma_check_integrity();
+
+/* {{{ ALIGNWORD: pad up x, aligned to the system's word boundary */
+typedef union { void* p; int i; long l; double d; void (*f)(); } apc_word_t;
+#define ALIGNSIZE(x, size) ((size) * (1 + (((x)-1)/(size))))
+#define ALIGNWORD(x) ALIGNSIZE(x, sizeof(apc_word_t))
+/* }}} */
+
+#endif
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * End:
+ * vim600: expandtab sw=4 ts=4 sts=4 fdm=marker
+ * vim<600: expandtab sw=4 ts=4 sts=4
+ */