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dynalink.h
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1 /*
2 * dynalink.h
3 *
4 * Dynamic Link Library abstraction class.
5 *
6 * Portable Windows Library
7 *
8 * Copyright (c) 1993-1998 Equivalence Pty. Ltd.
9 *
10 * The contents of this file are subject to the Mozilla Public License
11 * Version 1.0 (the "License"); you may not use this file except in
12 * compliance with the License. You may obtain a copy of the License at
13 * http://www.mozilla.org/MPL/
14 *
15 * Software distributed under the License is distributed on an "AS IS"
16 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
17 * the License for the specific language governing rights and limitations
18 * under the License.
19 *
20 * The Original Code is Portable Windows Library.
21 *
22 * The Initial Developer of the Original Code is Equivalence Pty. Ltd.
23 *
24 * Portions are Copyright (C) 1993 Free Software Foundation, Inc.
25 * All Rights Reserved.
26 *
27 * Contributor(s): ______________________________________.
28 *
29 * $Revision: 24177 $
30 * $Author: rjongbloed $
31 * $Date: 2010-04-05 21:52:04 +1000 (Mon, 05 Apr 2010) $
32 */
33
34 #ifndef PTLIB_DYNALINK_H
35 #define PTLIB_DYNALINK_H
36
37 #if !defined(P_RTEMS)
38
39 #ifdef P_USE_PRAGMA
40 #pragma interface
41 #endif
42
51 class PDynaLink : public PObject
52 {
53 PCLASSINFO(PDynaLink, PObject);
54
55 public:
61 PDynaLink();
65 PDynaLink(
66 const PString & name
67 );
68
71 ~PDynaLink();
73
76 /* Open a new dyna-link, loading the specified module.
77
78 @return
79 true if the library was loaded.
80 */
81 virtual PBoolean Open(
82 const PString & name
83 );
84
87 virtual void Close();
88
91 virtual PBoolean IsLoaded() const;
92
102 virtual PString GetName(
103 PBoolean full = false
104 ) const;
105
111 static PString GetExtension();
113
116
117 typedef void (*Function)();
118
119
125 PBoolean GetFunction(
126 PINDEX index,
127 Function & func
128 );
129
135 PBoolean GetFunction(
136 const PString & name,
137 Function & func
138 );
139
141 const PString & GetLastError() const { return m_lastError; }
143
144 protected:
145 PString m_lastError;
146
147 // Include platform dependent part of class
148 #ifdef _WIN32
149 #include "msos/ptlib/dynalink.h"
150 #else
151 #include "unix/ptlib/dynalink.h"
152 #endif
153 };
154
155 #endif // !defined(P_RTEMS)
156
157
158 #endif //PTLIB_DYNALINK_H
159
160
161 // End Of File ///////////////////////////////////////////////////////////////