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ap_config.h
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1 /* Licensed to the Apache Software Foundation (ASF) under one or more
2  * contributor license agreements. See the NOTICE file distributed with
3  * this work for additional information regarding copyright ownership.
4  * The ASF licenses this file to You under the Apache License, Version 2.0
5  * (the "License"); you may not use this file except in compliance with
6  * the License. You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
22 #ifndef AP_CONFIG_H
23 #define AP_CONFIG_H
24 
25 #include "ap_hooks.h"
26 
27 /* Although this file doesn't declare any hooks, declare the exports group here */
33 #ifdef DOXYGEN
34 /* define these just so doxygen documents them */
35 
47 # define AP_DECLARE_STATIC
48 
54 # define AP_DECLARE_EXPORT
55 
56 #endif /* def DOXYGEN */
57 
58 #if !defined(WIN32)
59 
67 #define AP_DECLARE(type) type
68 
77 #define AP_DECLARE_NONSTD(type) type
78 
89 #define AP_DECLARE_DATA
90 
91 #elif defined(AP_DECLARE_STATIC)
92 #define AP_DECLARE(type) type __stdcall
93 #define AP_DECLARE_NONSTD(type) type
94 #define AP_DECLARE_DATA
95 #elif defined(AP_DECLARE_EXPORT)
96 #define AP_DECLARE(type) __declspec(dllexport) type __stdcall
97 #define AP_DECLARE_NONSTD(type) __declspec(dllexport) type
98 #define AP_DECLARE_DATA __declspec(dllexport)
99 #else
100 #define AP_DECLARE(type) __declspec(dllimport) type __stdcall
101 #define AP_DECLARE_NONSTD(type) __declspec(dllimport) type
102 #define AP_DECLARE_DATA __declspec(dllimport)
103 #endif
104 
105 #if !defined(WIN32)
106 
115 #define APREQ_DECLARE(d) APR_DECLARE(d)
116 
125 #define APREQ_DECLARE_NONSTD(d) APR_DECLARE_NONSTD(d)
126 
136 #define APREQ_DECLARE_DATA
137 #elif defined (APREQ_DECLARE_STATIC)
138 #define APREQ_DECLARE(type) type __stdcall
139 #define APREQ_DECLARE_NONSTD(type) type
140 #define APREQ_DECLARE_DATA
141 #elif defined (APREQ_DECLARE_EXPORT)
142 #define APREQ_DECLARE(type) __declspec(dllexport) type __stdcall
143 #define APREQ_DECLARE_NONSTD(type) __declspec(dllexport) type
144 #define APREQ_DECLARE_DATA __declspec(dllexport)
145 #else
146 #define APREQ_DECLARE(type) __declspec(dllimport) type __stdcall
147 #define APREQ_DECLARE_NONSTD(type) __declspec(dllimport) type
148 #define APREQ_DECLARE_DATA __declspec(dllimport)
149 #endif
150 
151 #if !defined(WIN32) || defined(AP_MODULE_DECLARE_STATIC)
152 
161 #if defined(WIN32)
162 #define AP_MODULE_DECLARE(type) type __stdcall
163 #else
164 #define AP_MODULE_DECLARE(type) type
165 #endif
166 #define AP_MODULE_DECLARE_NONSTD(type) type
167 #define AP_MODULE_DECLARE_DATA
168 #else
169 
176 #define AP_MODULE_DECLARE_EXPORT
177 #define AP_MODULE_DECLARE(type) __declspec(dllexport) type __stdcall
178 #define AP_MODULE_DECLARE_NONSTD(type) __declspec(dllexport) type
179 #define AP_MODULE_DECLARE_DATA __declspec(dllexport)
180 #endif
181 
182 #include "os.h"
183 #if (!defined(WIN32) && !defined(NETWARE)) || defined(__MINGW32__)
184 #include "ap_config_auto.h"
185 #endif
186 #include "ap_config_layout.h"
187 
188 /* Where the main/parent process's pid is logged */
189 #ifndef DEFAULT_PIDLOG
190 #define DEFAULT_PIDLOG "httpd.pid"
191 #endif
192 
193 #if defined(NETWARE)
194 #define AP_NONBLOCK_WHEN_MULTI_LISTEN 1
195 #endif
196 
197 #if defined(AP_ENABLE_DTRACE) && HAVE_SYS_SDT_H
198 #include <sys/sdt.h>
199 #else
200 #undef _DTRACE_VERSION
201 #endif
202 
203 #ifdef _DTRACE_VERSION
204 #include "apache_probes.h"
205 #else
206 #include "apache_noprobes.h"
207 #endif
208 
209 /* If APR has OTHER_CHILD logic, use reliable piped logs. */
210 #if APR_HAS_OTHER_CHILD
211 #define AP_HAVE_RELIABLE_PIPED_LOGS TRUE
212 #endif
213 
214 #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
215 #define AP_HAVE_C99
216 #endif
217 
218 /* Presume that the compiler supports C99-style designated
219  * initializers if using GCC (but not G++), or for any other compiler
220  * which claims C99 support. */
221 #if (defined(__GNUC__) && !defined(__cplusplus)) || defined(AP_HAVE_C99)
222 #define AP_HAVE_DESIGNATED_INITIALIZER
223 #endif
224 
225 #ifndef __has_attribute /* check for supported attributes on clang */
226 #define __has_attribute(x) 0
227 #endif
228 #if (defined(__GNUC__) && __GNUC__ >= 4) || __has_attribute(sentinel)
229 #define AP_FN_ATTR_SENTINEL __attribute__((sentinel))
230 #else
231 #define AP_FN_ATTR_SENTINEL
232 #endif
233 
234 #if ( defined(__GNUC__) && \
235  (__GNUC__ >= 4 || ( __GNUC__ == 3 && __GNUC_MINOR__ >= 4))) \
236  || __has_attribute(warn_unused_result)
237 #define AP_FN_ATTR_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
238 #else
239 #define AP_FN_ATTR_WARN_UNUSED_RESULT
240 #endif
241 
242 #if ( defined(__GNUC__) && \
243  (__GNUC__ >= 4 && __GNUC_MINOR__ >= 3)) \
244  || __has_attribute(alloc_size)
245 #define AP_FN_ATTR_ALLOC_SIZE(x) __attribute__((alloc_size(x)))
246 #define AP_FN_ATTR_ALLOC_SIZE2(x,y) __attribute__((alloc_size(x,y)))
247 #else
248 #define AP_FN_ATTR_ALLOC_SIZE(x)
249 #define AP_FN_ATTR_ALLOC_SIZE2(x,y)
250 #endif
251 
252 #if ( defined(__GNUC__) && \
253  (__GNUC__ >= 4 || ( __GNUC__ == 3 && __GNUC_MINOR__ >= 3))) \
254  || __has_attribute(nonnull)
255 /* all pointer arguments */
256 #define AP_FN_ATTR_NONNULL_ALL __attribute__((nonnull))
257 /* listed arguments, use with double braces: AP_FN_ATTR_NONNULL((1,3,6)) */
258 #define AP_FN_ATTR_NONNULL(x) __attribute__((nonnull x))
259 #else
260 #define AP_FN_ATTR_NONNULL_ALL
261 #define AP_FN_ATTR_NONNULL(x)
262 #endif
263 
264 
265 #endif /* AP_CONFIG_H */
Apache Config Layout.
ap hook functions and macros