1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 7 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2016 The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Author: Christian Cartus <cartus@atrior.de> |
16 +----------------------------------------------------------------------+
17 */
18
19 /* $Id$ */
20
21 #ifndef PHP_SYSVSHM_H
22 #define PHP_SYSVSHM_H
23
24 #if HAVE_SYSVSHM
25
26 extern zend_module_entry sysvshm_module_entry;
27 #define sysvshm_module_ptr &sysvshm_module_entry
28
29 #include "php_version.h"
30 #define PHP_SYSVSHM_VERSION PHP_VERSION
31
32 #include <sys/types.h>
33
34 #ifdef PHP_WIN32
35 # include <TSRM/tsrm_win32.h>
36 typedef int key_t;
37 # ifndef THREAD_LS
38 # define THREAD_LS
39 # endif
40 #else
41 # include <sys/ipc.h>
42 # include <sys/shm.h>
43 #endif
44
45 #define PHP_SHM_RSRC_NAME "sysvshm"
46
47 typedef struct {
48 int le_shm;
49 zend_long init_mem;
50 } sysvshm_module;
51
52 typedef struct {
53 zend_long key;
54 zend_long length;
55 zend_long next;
56 char mem;
57 } sysvshm_chunk;
58
59 typedef struct {
60 char magic[8];
61 zend_long start;
62 zend_long end;
63 zend_long free;
64 zend_long total;
65 } sysvshm_chunk_head;
66
67 typedef struct {
68 key_t key; /* key set by user */
69 zend_long id; /* returned by shmget */
70 sysvshm_chunk_head *ptr; /* memory address of shared memory */
71 } sysvshm_shm;
72
73 PHP_MINIT_FUNCTION(sysvshm);
74 PHP_FUNCTION(shm_attach);
75 PHP_FUNCTION(shm_detach);
76 PHP_FUNCTION(shm_remove);
77 PHP_FUNCTION(shm_put_var);
78 PHP_FUNCTION(shm_get_var);
79 PHP_FUNCTION(shm_has_var);
80 PHP_FUNCTION(shm_remove_var);
81
82 extern sysvshm_module php_sysvshm;
83
84 #else
85
86 #define sysvshm_module_ptr NULL
87
88 #endif
89
90 #define phpext_sysvshm_ptr sysvshm_module_ptr
91
92 #endif /* PHP_SYSVSHM_H */