1 #ifndef _DEDYNAMICLIBRARY_H
2 #define _DEDYNAMICLIBRARY_H
3 /*-------------------------------------------------------------------------
4 * drawElements Utility Library
5 * ----------------------------
7 * Copyright 2014 The Android Open Source Project
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
23 * \brief Dynamic link library abstraction.
24 *//*--------------------------------------------------------------------*/
30 /* Dynamic link library. */
31 typedef struct deDynamicLibrary_s deDynamicLibrary;
33 /*--------------------------------------------------------------------*//*!
34 * \brief Open dynamic library.
35 * \param fileName Name or path to dynamic library.
36 * \return Dynamic library handle, or DE_NULL on failure.
38 * This function opens and loads dynamic library to current process.
39 * If library is already loaded, its reference count will be increased.
40 *//*--------------------------------------------------------------------*/
41 deDynamicLibrary* deDynamicLibrary_open (const char* fileName);
43 /*--------------------------------------------------------------------*//*!
44 * \brief Load function symbol from dynamic library.
45 * \param library Dynamic library
46 * \param symbolName Name of function symbol
47 * \return Function pointer or DE_NULL on failure
48 * \note Returned pointers will be invalidated if dynamic library is
50 *//*--------------------------------------------------------------------*/
51 deFunctionPtr deDynamicLibrary_getFunction (const deDynamicLibrary* library, const char* symbolName);
53 /*--------------------------------------------------------------------*//*!
54 * \brief Close dynamic library.
55 * \param library Dynamic library
57 * Closing library handle decrements reference count. Library is unloaded
58 * from process if reference count reaches zero.
59 *//*--------------------------------------------------------------------*/
60 void deDynamicLibrary_close (deDynamicLibrary* library);
64 #endif /* _DEDYNAMICLIBRARY_H */