113 lines
2.3 KiB
C
113 lines
2.3 KiB
C
/*
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* Copyright (c) 2016 MariaDB Corporation Ab
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
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*
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* Change Date: 2022-01-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2 or later of the General
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* Public License.
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*/
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#pragma once
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/**
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* @file cdefs.h
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*
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* This file has several purposes.
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*
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* - Its purpose is the same as that of x86_64-linux-gnu/sys/cdefs.h, that is,
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* it defines things that are dependent upon the compilation environment.
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* - Since this *must* be included as the very first header by all other MaxScale
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* headers, it allows you to redefine things globally, should that be necessary,
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* for instance, when debugging something.
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* - Global constants applicable across the line can be defined here.
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*/
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#ifdef __cplusplus
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# define MXB_BEGIN_DECLS extern "C" {
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# define MXB_END_DECLS }
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#else
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# define MXB_BEGIN_DECLS
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# define MXB_END_DECLS
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#endif
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#undef _GNU_SOURCE
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#define _GNU_SOURCE 1
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#undef OPENSSL_THREAD_DEFINES
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#define OPENSSL_THREAD_DEFINES 1
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/**
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* Fix compile errors for PRId64
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* in Centos 6
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*/
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#ifndef __STDC_FORMAT_MACROS
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# define __STDC_FORMAT_MACROS
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#endif
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/**
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* Needs to be defined for INT32_MAX and others
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*/
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#ifndef __STDC_LIMIT_MACROS
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#define __STDC_LIMIT_MACROS
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#endif
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/**
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* Define function attributes
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*
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* The function attributes are compiler specific.
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*/
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#ifdef __GNUC__
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#define mxb_attribute(a) __attribute__ (a)
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#else
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#define mxb_attribute(a)
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#endif
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/**
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* COMMON INCLUDE FILES
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*/
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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/**
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* thread_local
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*/
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#if !defined (__cplusplus)
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#if __STDC_VERSION__ >= 201112
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#if defined (__STDC_NO_THREADS__)
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#define thread_local _Thread_local
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#else
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#include <threads.h>
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#endif
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#else // __STDC_VERSION >= 201112
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#if defined (__GNUC__)
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#define thread_local __thread
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#else
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#error Do not know how to define thread_local on this compiler/OS platform.
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#endif
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#endif
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#else // __cplusplus
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// GCC 4.8 added support for native thread_local.
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#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
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#if defined (__GNUC__)
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#define thread_local __thread
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#else
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#error Do not know how to define thread_local on this compiler/OS platform.
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#endif
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#endif
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#endif // __cplusplus
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