/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements . See the NOTICE file distributed with
* this work for additional information regarding copyright ownership .
* The ASF licenses this file to You under the Apache License , Version 2 . 0
* ( the " License " ) ; you may not use this file except in compliance with
* the License . You may obtain a copy of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an " AS IS " BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
*/
/**
* @ file ap_config . h
* @ brief Symbol export macros and hook functions
*/
#ifndef AP_CONFIG_H
#define AP_CONFIG_H
#include "ap_hooks.h"
/* Although this file doesn't declare any hooks, declare the exports group here */
/**
* @ defgroup exports Apache exports
* @ ingroup APACHE_CORE
*/
#ifdef DOXYGEN
/* define these just so doxygen documents them */
/**
* AP_DECLARE_STATIC is defined when including Apache ' s Core headers ,
* to provide static linkage when the dynamic library may be unavailable .
*
* @ see AP_DECLARE_EXPORT
*
* AP_DECLARE_STATIC and AP_DECLARE_EXPORT are left undefined when
* including Apache ' s Core headers , to import and link the symbols from the
* dynamic Apache Core library and assure appropriate indirection and calling
* conventions at compile time .
*/
# define AP_DECLARE_STATIC
/**
* AP_DECLARE_EXPORT is defined when building the Apache Core dynamic
* library , so that all public symbols are exported .
*
* @ see AP_DECLARE_STATIC
*/
# define AP_DECLARE_EXPORT
#endif /* def DOXYGEN */
#if !defined (WIN32)
/**
* Apache Core dso functions are declared with AP_DECLARE ( ) , so they may
* use the most appropriate calling convention . Hook functions and other
* Core functions with variable arguments must use AP_DECLARE_NONSTD ( ) .
* @ code
* AP_DECLARE ( rettype ) ap_func ( args )
* @ endcode
*/
#define AP_DECLARE(type) type
/**
* Apache Core dso variable argument and hook functions are declared with
* AP_DECLARE_NONSTD ( ) , as they must use the C language calling convention .
* @ see AP_DECLARE
* @ code
* AP_DECLARE_NONSTD ( rettype ) ap_func ( args [ . . . ] )
* @ endcode
*/
#define AP_DECLARE_NONSTD(type) type
/**
* Apache Core dso variables are declared with AP_MODULE_DECLARE_DATA .
* This assures the appropriate indirection is invoked at compile time .
*
* @ note AP_DECLARE_DATA extern type apr_variable ; syntax is required for
* declarations within headers to properly import the variable .
* @ code
* AP_DECLARE_DATA type apr_variable
* @ endcode
*/
#define AP_DECLARE_DATA
#elif defined (AP_DECLARE_STATIC)
#define AP_DECLARE(type) type __stdcall
#define AP_DECLARE_NONSTD(type) type
#define AP_DECLARE_DATA
#elif defined (AP_DECLARE_EXPORT)
#define AP_DECLARE(type) __declspec(dllexport) type __stdcall
#define AP_DECLARE_NONSTD(type) __declspec(dllexport) type
#define AP_DECLARE_DATA __declspec(dllexport)
#else
#define AP_DECLARE(type) __declspec(dllimport) type __stdcall
#define AP_DECLARE_NONSTD(type) __declspec(dllimport) type
#define AP_DECLARE_DATA __declspec(dllimport)
#endif
#if !defined (WIN32) || defined (AP_MODULE_DECLARE_STATIC)
/**
* Declare a dso module ' s exported module structure as AP_MODULE_DECLARE_DATA .
*
* Unless AP_MODULE_DECLARE_STATIC is defined at compile time , symbols
* declared with AP_MODULE_DECLARE_DATA are always exported .
* @ code
* module AP_MODULE_DECLARE_DATA mod_tag
* @ endcode
*/
#if defined (WIN32)
#define AP_MODULE_DECLARE(type) type __stdcall
#else
#define AP_MODULE_DECLARE(type) type
#endif
#define AP_MODULE_DECLARE_NONSTD(type) type
#define AP_MODULE_DECLARE_DATA
#else
/**
* AP_MODULE_DECLARE_EXPORT is a no - op . Unless contradicted by the
* AP_MODULE_DECLARE_STATIC compile - time symbol , it is assumed and defined .
*
* The old SHARED_MODULE compile - time symbol is now the default behavior ,
* so it is no longer referenced anywhere with Apache 2 . 0 .
*/
#define AP_MODULE_DECLARE_EXPORT
#define AP_MODULE_DECLARE(type) __declspec(dllexport) type __stdcall
#define AP_MODULE_DECLARE_NONSTD(type) __declspec(dllexport) type
#define AP_MODULE_DECLARE_DATA __declspec(dllexport)
#endif
#include "os.h"
#if (!defined (WIN32) && !defined (NETWARE)) || defined (__MINGW32__)
#include "ap_config_auto.h"
#endif
#include "ap_config_layout.h"
/* Where the main/parent process's pid is logged */
#ifndef DEFAULT_PIDLOG
#define DEFAULT_PIDLOG DEFAULT_REL_RUNTIMEDIR "/httpd.pid"
#endif
#if defined (NETWARE)
#define AP_NONBLOCK_WHEN_MULTI_LISTEN 1
#endif
#if defined (AP_ENABLE_DTRACE) && HAVE_SYS_SDT_H
#include <sys/sdt.h>
#else
#undef _DTRACE_VERSION
#endif
#ifdef _DTRACE_VERSION
#include "apache_probes.h"
#else
#include "apache_noprobes.h"
#endif
/* If APR has OTHER_CHILD logic, use reliable piped logs. */
#if APR_HAS_OTHER_CHILD
#define AP_HAVE_RELIABLE_PIPED_LOGS TRUE
#endif
#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901 L
#define AP_HAVE_C99
#endif
/* Presume that the compiler supports C99-style designated
* initializers if using GCC ( but not G + + ) , or for any other compiler
* which claims C99 support. */
#if (defined (__GNUC__) && !defined (__cplusplus)) || defined (AP_HAVE_C99)
#define AP_HAVE_DESIGNATED_INITIALIZER
#endif
#ifndef __has_attribute /* check for supported attributes on clang */
#define __has_attribute(x) 0
#endif
#if (defined (__GNUC__) && __GNUC__ >= 4 ) || __has_attribute(sentinel)
#define AP_FN_ATTR_SENTINEL __attribute__((sentinel))
#else
#define AP_FN_ATTR_SENTINEL
#endif
#if ( defined (__GNUC__) && \
(__GNUC__ >= 4 || ( __GNUC__ == 3 && __GNUC_MINOR__ >= 4 ))) \
|| __has_attribute(warn_unused_result)
#define AP_FN_ATTR_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
#else
#define AP_FN_ATTR_WARN_UNUSED_RESULT
#endif
#if ( defined (__GNUC__) && \
(__GNUC__ >= 4 && __GNUC_MINOR__ >= 3 )) \
|| __has_attribute(alloc_size)
#define AP_FN_ATTR_ALLOC_SIZE(x) __attribute__((alloc_size(x)))
#define AP_FN_ATTR_ALLOC_SIZE2(x,y) __attribute__((alloc_size(x,y)))
#else
#define AP_FN_ATTR_ALLOC_SIZE(x)
#define AP_FN_ATTR_ALLOC_SIZE2(x,y)
#endif
#endif /* AP_CONFIG_H */
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