xref: /third_party/mesa3d/src/util/u_dl.h (revision bf215546) 
1/**************************************************************************
2 *
3 * Copyright 2009 VMware, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
18 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
19 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20 * USE OR OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * The above copyright notice and this permission notice (including the
23 * next paragraph) shall be included in all copies or substantial portions
24 * of the Software.
25 *
26 **************************************************************************/
27
28
29#ifndef U_DL_H_
30#define U_DL_H_
31
32
33#include "detect_os.h"
34
35#ifdef __cplusplus
36extern "C" {
37#endif
38
39#if DETECT_OS_WINDOWS
40#  define UTIL_DL_EXT ".dll"
41#  define UTIL_DL_PREFIX ""
42#elif DETECT_OS_APPLE
43#  define UTIL_DL_EXT ".dylib"
44#  define UTIL_DL_PREFIX "lib"
45#else
46#  define UTIL_DL_EXT ".so"
47#  define UTIL_DL_PREFIX "lib"
48#endif
49
50
51struct util_dl_library;
52
53
54typedef void (*util_dl_proc)(void);
55
56
57/**
58 * Open a library dynamically.
59 */
60struct util_dl_library *
61util_dl_open(const char *filename);
62
63
64/**
65 * Lookup a function in a library.
66 */
67util_dl_proc
68util_dl_get_proc_address(struct util_dl_library *library,
69                         const char *procname);
70
71
72/**
73 * Close a library.
74 */
75void
76util_dl_close(struct util_dl_library *library);
77
78
79/**
80 * Return most recent error message.
81 */
82const char *
83util_dl_error(void);
84
85#ifdef __cplusplus
86}
87#endif
88
89#endif /* U_DL_H_ */
90