xref: /PHP-7.4/ext/sysvshm/php_sysvshm.h (revision 0cf7de1c)
1 /*
2    +----------------------------------------------------------------------+
3    | PHP Version 7                                                        |
4    +----------------------------------------------------------------------+
5    | Copyright (c) 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 #ifndef PHP_SYSVSHM_H
20 #define PHP_SYSVSHM_H
21 
22 #if HAVE_SYSVSHM
23 
24 extern zend_module_entry sysvshm_module_entry;
25 #define sysvshm_module_ptr &sysvshm_module_entry
26 
27 #include "php_version.h"
28 #define PHP_SYSVSHM_VERSION PHP_VERSION
29 
30 #include <sys/types.h>
31 
32 #ifdef PHP_WIN32
33 # include <TSRM/tsrm_win32.h>
34 # include "win32/ipc.h"
35 # ifndef THREAD_LS
36 #  define THREAD_LS
37 # endif
38 #else
39 # include <sys/ipc.h>
40 # include <sys/shm.h>
41 #endif
42 
43 #define PHP_SHM_RSRC_NAME "sysvshm"
44 
45 typedef struct {
46 	int le_shm;
47 	zend_long init_mem;
48 } sysvshm_module;
49 
50 typedef struct {
51 	zend_long key;
52 	zend_long length;
53 	zend_long next;
54 	char mem;
55 } sysvshm_chunk;
56 
57 typedef struct {
58 	char magic[8];
59 	zend_long start;
60 	zend_long end;
61 	zend_long free;
62 	zend_long total;
63 } sysvshm_chunk_head;
64 
65 typedef struct {
66 	key_t key;               /* key set by user */
67 	zend_long id;                 /* returned by shmget */
68 	sysvshm_chunk_head *ptr; /* memory address of shared memory */
69 } sysvshm_shm;
70 
71 PHP_MINIT_FUNCTION(sysvshm);
72 PHP_MINFO_FUNCTION(sysvshm);
73 PHP_FUNCTION(shm_attach);
74 PHP_FUNCTION(shm_detach);
75 PHP_FUNCTION(shm_remove);
76 PHP_FUNCTION(shm_put_var);
77 PHP_FUNCTION(shm_get_var);
78 PHP_FUNCTION(shm_has_var);
79 PHP_FUNCTION(shm_remove_var);
80 
81 extern sysvshm_module php_sysvshm;
82 
83 #else
84 
85 #define sysvshm_module_ptr NULL
86 
87 #endif
88 
89 #define phpext_sysvshm_ptr sysvshm_module_ptr
90 
91 #endif /* PHP_SYSVSHM_H */
92