| /* 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) |
| /** |
| * The public APREQ functions are declared with APREQ_DECLARE(), so they may |
| * use the most appropriate calling convention. Public APR functions with |
| * variable arguments must use APR_DECLARE_NONSTD(). |
| * |
| * @remark Both the declaration and implementations must use the same macro. |
| */ |
| /** APREQ_DECLARE(rettype) apeq_func(args) |
| */ |
| #define APREQ_DECLARE(d) APR_DECLARE(d) |
| /** |
| * The public APEQ functions using variable arguments are declared with |
| * APEQ_DECLARE_NONSTD(), as they must follow the C language calling convention. |
| * @see APEQ_DECLARE @see APEQ_DECLARE_DATA |
| * @remark Both the declaration and implementations must use the same macro. |
| * @example |
| */ |
| /** APEQ_DECLARE_NONSTD(rettype) apr_func(args, ...); |
| */ |
| #define APREQ_DECLARE_NONSTD(d) APR_DECLARE_NONSTD(d) |
| /** |
| * The public APREQ variables are declared with APREQ_DECLARE_DATA. |
| * This assures the appropriate indirection is invoked at compile time. |
| * @see APREQ_DECLARE @see APREQ_DECLARE_NONSTD |
| * @remark Note that the declaration and implementations use different forms, |
| * but both must include the macro. |
| */ |
| /** extern APREQ_DECLARE_DATA type apr_variable;\n |
| * APREQ_DECLARE_DATA type apr_variable = value; |
| */ |
| #define APREQ_DECLARE_DATA |
| #elif defined (APREQ_DECLARE_STATIC) |
| #define APREQ_DECLARE(type) type __stdcall |
| #define APREQ_DECLARE_NONSTD(type) type |
| #define APREQ_DECLARE_DATA |
| #elif defined (APREQ_DECLARE_EXPORT) |
| #define APREQ_DECLARE(type) __declspec(dllexport) type __stdcall |
| #define APREQ_DECLARE_NONSTD(type) __declspec(dllexport) type |
| #define APREQ_DECLARE_DATA __declspec(dllexport) |
| #else |
| #define APREQ_DECLARE(type) __declspec(dllimport) type __stdcall |
| #define APREQ_DECLARE_NONSTD(type) __declspec(dllimport) type |
| #define APREQ_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 "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__ >= 199901L |
| #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 |
| |
| #if ( defined(__GNUC__) && \ |
| (__GNUC__ >= 4 || ( __GNUC__ == 3 && __GNUC_MINOR__ >= 3))) \ |
| || __has_attribute(nonnull) |
| /* all pointer arguments */ |
| #define AP_FN_ATTR_NONNULL_ALL __attribute__((nonnull)) |
| /* listed arguments, use with double braces: AP_FN_ATTR_NONNULL((1,3,6)) */ |
| #define AP_FN_ATTR_NONNULL(x) __attribute__((nonnull x)) |
| #else |
| #define AP_FN_ATTR_NONNULL_ALL |
| #define AP_FN_ATTR_NONNULL(x) |
| #endif |
| |
| |
| #endif /* AP_CONFIG_H */ |