1 /* 2 +----------------------------------------------------------------------+ 3 | Zend Engine | 4 +----------------------------------------------------------------------+ 5 | Copyright (c) Zend Technologies Ltd. (http://www.zend.com) | 6 +----------------------------------------------------------------------+ 7 | This source file is subject to version 2.00 of the Zend 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.zend.com/license/2_00.txt. | 11 | If you did not receive a copy of the Zend license and are unable to | 12 | obtain it through the world-wide-web, please send a note to | 13 | license@zend.com so we can mail you a copy immediately. | 14 +----------------------------------------------------------------------+ 15 | Authors: Andi Gutmans <andi@php.net> | 16 | Zeev Suraski <zeev@php.net> | 17 +----------------------------------------------------------------------+ 18 */ 19 20 #ifndef ZEND_EXTENSIONS_H 21 #define ZEND_EXTENSIONS_H 22 23 #include "zend_compile.h" 24 #include "zend_build.h" 25 26 /* 27 The constants below are derived from ext/opcache/ZendAccelerator.h 28 29 You can use the following macro to check the extension API version for compatibilities: 30 31 #define ZEND_EXTENSION_API_NO_5_0_X 220040412 32 #define ZEND_EXTENSION_API_NO_5_1_X 220051025 33 #define ZEND_EXTENSION_API_NO_5_2_X 220060519 34 #define ZEND_EXTENSION_API_NO_5_3_X 220090626 35 #define ZEND_EXTENSION_API_NO_5_4_X 220100525 36 #define ZEND_EXTENSION_API_NO_5_5_X 220121212 37 #define ZEND_EXTENSION_API_NO_5_6_X 220131226 38 #define ZEND_EXTENSION_API_NO_7_0_X 320151012 39 40 #if ZEND_EXTENSION_API_NO < ZEND_EXTENSION_API_NO_5_5_X 41 // do something for php versions lower than 5.5.x 42 #endif 43 */ 44 45 /* The first number is the engine version and the rest is the date (YYYYMMDD). 46 * This way engine 2/3 API no. is always greater than engine 1 API no.. */ 47 #define ZEND_EXTENSION_API_NO 320190902 48 49 typedef struct _zend_extension_version_info { 50 int zend_extension_api_no; 51 char *build_id; 52 } zend_extension_version_info; 53 54 #define ZEND_EXTENSION_BUILD_ID "API" ZEND_TOSTR(ZEND_EXTENSION_API_NO) ZEND_BUILD_TS ZEND_BUILD_DEBUG ZEND_BUILD_SYSTEM ZEND_BUILD_EXTRA 55 56 typedef struct _zend_extension zend_extension; 57 58 /* Typedef's for zend_extension function pointers */ 59 typedef int (*startup_func_t)(zend_extension *extension); 60 typedef void (*shutdown_func_t)(zend_extension *extension); 61 typedef void (*activate_func_t)(void); 62 typedef void (*deactivate_func_t)(void); 63 64 typedef void (*message_handler_func_t)(int message, void *arg); 65 66 typedef void (*op_array_handler_func_t)(zend_op_array *op_array); 67 68 typedef void (*statement_handler_func_t)(zend_execute_data *frame); 69 typedef void (*fcall_begin_handler_func_t)(zend_execute_data *frame); 70 typedef void (*fcall_end_handler_func_t)(zend_execute_data *frame); 71 72 typedef void (*op_array_ctor_func_t)(zend_op_array *op_array); 73 typedef void (*op_array_dtor_func_t)(zend_op_array *op_array); 74 typedef size_t (*op_array_persist_calc_func_t)(zend_op_array *op_array); 75 typedef size_t (*op_array_persist_func_t)(zend_op_array *op_array, void *mem); 76 77 struct _zend_extension { 78 char *name; 79 char *version; 80 char *author; 81 char *URL; 82 char *copyright; 83 84 startup_func_t startup; 85 shutdown_func_t shutdown; 86 activate_func_t activate; 87 deactivate_func_t deactivate; 88 89 message_handler_func_t message_handler; 90 91 op_array_handler_func_t op_array_handler; 92 93 statement_handler_func_t statement_handler; 94 fcall_begin_handler_func_t fcall_begin_handler; 95 fcall_end_handler_func_t fcall_end_handler; 96 97 op_array_ctor_func_t op_array_ctor; 98 op_array_dtor_func_t op_array_dtor; 99 100 int (*api_no_check)(int api_no); 101 int (*build_id_check)(const char* build_id); 102 op_array_persist_calc_func_t op_array_persist_calc; 103 op_array_persist_func_t op_array_persist; 104 void *reserved5; 105 void *reserved6; 106 void *reserved7; 107 void *reserved8; 108 109 DL_HANDLE handle; 110 int resource_number; 111 }; 112 113 BEGIN_EXTERN_C() 114 extern ZEND_API int zend_op_array_extension_handles; 115 116 ZEND_API int zend_get_resource_handle(zend_extension *extension); 117 ZEND_API int zend_get_op_array_extension_handle(void); 118 ZEND_API void zend_extension_dispatch_message(int message, void *arg); 119 END_EXTERN_C() 120 121 #define ZEND_EXTMSG_NEW_EXTENSION 1 122 123 124 #define ZEND_EXTENSION() \ 125 ZEND_EXT_API zend_extension_version_info extension_version_info = { ZEND_EXTENSION_API_NO, ZEND_EXTENSION_BUILD_ID } 126 127 #define STANDARD_ZEND_EXTENSION_PROPERTIES NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, -1 128 #define COMPAT_ZEND_EXTENSION_PROPERTIES NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, -1 129 #define BUILD_COMPAT_ZEND_EXTENSION_PROPERTIES NULL, NULL, NULL, NULL, NULL, NULL, NULL, -1 130 131 132 ZEND_API extern zend_llist zend_extensions; 133 ZEND_API extern uint32_t zend_extension_flags; 134 135 #define ZEND_EXTENSIONS_HAVE_OP_ARRAY_CTOR (1<<0) 136 #define ZEND_EXTENSIONS_HAVE_OP_ARRAY_DTOR (1<<1) 137 #define ZEND_EXTENSIONS_HAVE_OP_ARRAY_HANDLER (1<<2) 138 #define ZEND_EXTENSIONS_HAVE_OP_ARRAY_PERSIST_CALC (1<<3) 139 #define ZEND_EXTENSIONS_HAVE_OP_ARRAY_PERSIST (1<<4) 140 141 void zend_extension_dtor(zend_extension *extension); 142 ZEND_API void zend_append_version_info(const zend_extension *extension); 143 int zend_startup_extensions_mechanism(void); 144 int zend_startup_extensions(void); 145 void zend_shutdown_extensions(void); 146 147 BEGIN_EXTERN_C() 148 ZEND_API int zend_load_extension(const char *path); 149 ZEND_API int zend_load_extension_handle(DL_HANDLE handle, const char *path); 150 ZEND_API int zend_register_extension(zend_extension *new_extension, DL_HANDLE handle); 151 ZEND_API zend_extension *zend_get_extension(const char *extension_name); 152 ZEND_API size_t zend_extensions_op_array_persist_calc(zend_op_array *op_array); 153 ZEND_API size_t zend_extensions_op_array_persist(zend_op_array *op_array, void *mem); 154 END_EXTERN_C() 155 156 #endif /* ZEND_EXTENSIONS_H */ 157
