forked from apache/apr
-
Notifications
You must be signed in to change notification settings - Fork 0
/
apr_dso.h
130 lines (116 loc) · 4.37 KB
/
apr_dso.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact [email protected].
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
#ifndef APR_DSO_DOT_H
#define APR_DSO_DOT_H
#include "apr.h"
#include "apr_pools.h"
#include "apr_errno.h"
/**
* @file apr_dso.h
* @brief APR Dynamic Object Handling Routines
*/
/**
* @defgroup APR_DSO Dynamic Object Handling
* @ingroup APR
* @{
*/
#ifdef __cplusplus
extern "C" {
#endif
#if APR_HAS_DSO || defined(DOXYGEN)
/**
* Structure for referencing dynamic objects
* @defvar apr_dso_handle_t
*/
typedef struct apr_dso_handle_t apr_dso_handle_t;
/**
* Structure for referencing symbols from dynamic objects
* @defvar apr_dso_handle_sym_t
*/
typedef void * apr_dso_handle_sym_t;
/**
* Load a DSO library.
* @param res_handle Location to store new handle for the DSO.
* @param path Path to the DSO library
* @param ctx Pool to use.
*/
APR_DECLARE(apr_status_t) apr_dso_load(apr_dso_handle_t **res_handle,
const char *path, apr_pool_t *ctx);
/**
* Close a DSO library.
* @param handle handle to close.
*/
APR_DECLARE(apr_status_t) apr_dso_unload(apr_dso_handle_t *handle);
/**
* Load a symbol from a DSO handle.
* @param ressym Location to store the loaded symbol
* @param handle handle to load the symbol from.
* @param symname Name of the symbol to load.
*/
APR_DECLARE(apr_status_t) apr_dso_sym(apr_dso_handle_sym_t *ressym,
apr_dso_handle_t *handle,
const char *symname);
/**
* Report more information when a DSO function fails.
* @param dso The dso handle that has been opened
* @param buf Location to store the dso error
* @param bufsize The size of the provided buffer
*/
APR_DECLARE(const char *) apr_dso_error(apr_dso_handle_t *dso, char *buf, apr_size_t bufsize);
#endif /* APR_HAS_DSO */
#ifdef __cplusplus
}
#endif
/** @} */
#endif