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1 | /* ==================================================================== |
2 | * Copyright (c) 1998 The Apache Group. All rights reserved. | |
3 | * | |
4 | * Redistribution and use in source and binary forms, with or without | |
5 | * modification, are permitted provided that the following conditions | |
6 | * are met: | |
7 | * | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * | |
11 | * 2. Redistributions in binary form must reproduce the above copyright | |
12 | * notice, this list of conditions and the following disclaimer in | |
13 | * the documentation and/or other materials provided with the | |
14 | * distribution. | |
15 | * | |
16 | * 3. All advertising materials mentioning features or use of this | |
17 | * software must display the following acknowledgment: | |
18 | * "This product includes software developed by the Apache Group | |
19 | * for use in the Apache HTTP server project (http://www.apache.org/)." | |
20 | * | |
21 | * 4. The names "Apache Server" and "Apache Group" must not be used to | |
22 | * endorse or promote products derived from this software without | |
23 | * prior written permission. For written permission, please contact | |
24 | * apache@apache.org. | |
25 | * | |
26 | * 5. Products derived from this software may not be called "Apache" | |
27 | * nor may "Apache" appear in their names without prior written | |
28 | * permission of the Apache Group. | |
29 | * | |
30 | * 6. Redistributions of any form whatsoever must retain the following | |
31 | * acknowledgment: | |
32 | * "This product includes software developed by the Apache Group | |
33 | * for use in the Apache HTTP server project (http://www.apache.org/)." | |
34 | * | |
35 | * THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY | |
36 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
37 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
38 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE APACHE GROUP OR | |
39 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
40 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
41 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
42 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
43 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
44 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
45 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
46 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
47 | * ==================================================================== | |
48 | * | |
49 | * This software consists of voluntary contributions made by many | |
50 | * individuals on behalf of the Apache Group and was originally based | |
51 | * on public domain software written at the National Center for | |
52 | * Supercomputing Applications, University of Illinois, Urbana-Champaign. | |
53 | * For more information on the Apache Group and the Apache HTTP server | |
54 | * project, please see <http://www.apache.org/>. | |
55 | * | |
56 | */ | |
57 | ||
58 | #ifndef APACHE_OS_H | |
59 | #define APACHE_OS_H | |
60 | ||
61 | #include "ap_config.h" | |
62 | ||
63 | #define PLATFORM "Unix" | |
64 | ||
65 | /* | |
66 | * This file in included in all Apache source code. It contains definitions | |
67 | * of facilities available on _this_ operating system (HAVE_* macros), | |
68 | * and prototypes of OS specific functions defined in os.c or os-inline.c | |
69 | */ | |
70 | ||
71 | #if !defined(INLINE) && defined(USE_GNU_INLINE) | |
72 | /* Compiler supports inline, so include the inlineable functions as | |
73 | * part of the header | |
74 | */ | |
75 | #define INLINE extern ap_inline | |
76 | #include "os-inline.c" | |
77 | ||
78 | #else | |
79 | ||
80 | /* Compiler does not support inline, so prototype the inlineable functions | |
81 | * as normal | |
82 | */ | |
83 | extern int ap_os_is_path_absolute(const char *f); | |
84 | #endif | |
85 | ||
86 | /* | |
87 | * Abstraction layer for loading | |
88 | * Apache modules under run-time via | |
89 | * dynamic shared object (DSO) mechanism | |
90 | */ | |
91 | ||
92 | #ifdef HAVE_DL_H | |
93 | #include <dl.h> | |
94 | #endif | |
95 | ||
96 | #ifdef HAVE_DLFCN_H | |
97 | #include <dlfcn.h> | |
98 | #else | |
99 | void *dlopen(const char *, int); | |
100 | int dlclose(void *); | |
101 | void *dlsym(void *, const char *); | |
102 | const char *dlerror(void); | |
103 | #endif | |
104 | ||
105 | /* probably on an older system that doesn't support RTLD_NOW or RTLD_LAZY. | |
106 | * The below define is a lie since we are really doing RTLD_LAZY since the | |
107 | * system doesn't support RTLD_NOW. | |
108 | */ | |
109 | #ifndef RTLD_NOW | |
110 | #define RTLD_NOW 1 | |
111 | #endif | |
112 | ||
113 | #ifndef RTLD_GLOBAL | |
114 | #define RTLD_GLOBAL 0 | |
115 | #endif | |
116 | ||
117 | #if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) | |
118 | #define DLSYM_NEEDS_UNDERSCORE | |
119 | #endif | |
120 | ||
121 | #define ap_os_dso_handle_t void * | |
122 | void *ap_os_dso_load(const char *); | |
123 | void ap_os_dso_unload(void *); | |
124 | void *ap_os_dso_sym(void *, const char *); | |
125 | const char *ap_os_dso_error(void); | |
126 | ||
127 | #endif /* !APACHE_OS_H */ |