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12306728c5
The `zend_system_id` is a (true global) system ID that fingerprints a process state. When extensions add engine hooks during MINIT/startup, entropy is added the system ID for each hook. This allows extensions to identify that changes have been made to the engine since the last PHP process restart. Closes GH-5871
31 lines
1.4 KiB
C
31 lines
1.4 KiB
C
/*
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+----------------------------------------------------------------------+
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| Copyright (c) The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Sammy Kaye Powers <sammyk@php.net> |
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+----------------------------------------------------------------------+
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*/
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#ifndef ZEND_SYSTEM_ID_H
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#define ZEND_SYSTEM_ID_H
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BEGIN_EXTERN_C()
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/* True global; Write-only during MINIT/startup */
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extern ZEND_API char zend_system_id[32];
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ZEND_API ZEND_RESULT_CODE zend_add_system_entropy(const char *module_name, const char *hook_name, const void *data, size_t size);
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END_EXTERN_C()
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void zend_startup_system_id(void);
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void zend_finalize_system_id(void);
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#endif /* ZEND_SYSTEM_ID_H */
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