1 chip  1.1 //%/////////////////////////////////////////////////////////////////////////////
 2           //
 3           // Copyright (c) 2000, 2001, 2002 BMC Software, Hewlett-Packard Company, IBM,
 4           // The Open Group, Tivoli Systems
 5           //
 6           // Permission is hereby granted, free of charge, to any person obtaining a copy
 7           // of this software and associated documentation files (the "Software"), to
 8           // deal in the Software without restriction, including without limitation the
 9           // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10           // sell copies of the Software, and to permit persons to whom the Software is
11           // furnished to do so, subject to the following conditions:
12           // 
13           // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
14           // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
15           // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
16           // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
17           // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
18           // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
19           // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
20           // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21           //
22 chip  1.1 //==============================================================================
23           //
24           // Author: Chip Vincent (cvincent@us.ibm.com)
25           //
26           // Modified By:
27           //
28           //%/////////////////////////////////////////////////////////////////////////////
29           
30           #ifndef Pegasus_Lockable_h
31           #define Pegasus_Lockable_h
32           
33           #include <Pegasus/Common/Config.h>
34           #include <Pegasus/Common/IPC.h>
35           
36           PEGASUS_NAMESPACE_BEGIN
37           
38           template<class T>
39           class Lockable
40           {
41           public:
42               Lockable(void);
43 chip  1.1     virtual ~Lockable(void);
44           
45               operator const T &(void) const;
46               operator T &(void);
47           
48               void lock(void);
49               void unlock(void);
50           
51           protected:
52               T _object;
53               Mutex _mutex;
54           
55           };
56           
57           template<class T>
58           inline Lockable<T>::Lockable(void)
59           {
60           }
61           
62           template<class T>
63           inline Lockable<T>::~Lockable(void)
64 chip  1.1 {
65           }
66           
67           template<class T>
68           inline Lockable<T>::operator const T &(void) const
69           {
70               return(_object);
71           }
72           
73           template<class T>
74           inline Lockable<T>::operator T &(void)
75           {
76               return(_object);
77           }
78           
79           template<class T>
80           inline void Lockable<T>::lock(void)
81           {
82               _mutex.lock(pegasus_thread_self());
83           }
84           
85 chip  1.1 template<class T>
86           inline void Lockable<T>::unlock(void)
87           {
88               _mutex.unlock();
89           }
90           
91           PEGASUS_NAMESPACE_END
92           
93           #endif