1 karl  1.4 //%2005////////////////////////////////////////////////////////////////////////

 2 chip  1.1 //

 3 karl  1.3 // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
 4           // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
 5           // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;

 6 karl  1.2 // IBM Corp.; EMC Corporation, The Open Group.

 7 karl  1.3 // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
 8           // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.

 9 karl  1.4 // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
10           // EMC Corporation; VERITAS Software Corporation; The Open Group.

11 chip  1.1 //
12           // Permission is hereby granted, free of charge, to any person obtaining a copy
13           // of this software and associated documentation files (the "Software"), to
14           // deal in the Software without restriction, including without limitation the
15           // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
16           // sell copies of the Software, and to permit persons to whom the Software is
17           // furnished to do so, subject to the following conditions:
18           // 
19           // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
20           // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
21           // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
22           // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
23           // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
24           // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
25           // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26           // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27           //
28           //==============================================================================
29           //
30           // Author: Chip Vincent (cvincent@us.ibm.com)
31           //
32 chip  1.1 // Modified By:
33           //
34           //%/////////////////////////////////////////////////////////////////////////////
35           
36           #ifndef Pegasus_Lockable_h
37           #define Pegasus_Lockable_h
38           
39           #include <Pegasus/Common/Config.h>
40           #include <Pegasus/Common/IPC.h>
41           
42           PEGASUS_NAMESPACE_BEGIN
43           
44           template<class T>
45           class Lockable
46           {
47           public:
48               Lockable(void);
49               virtual ~Lockable(void);
50           
51               operator const T &(void) const;
52               operator T &(void);
53 chip  1.1 
54               void lock(void);
55               void unlock(void);
56           
57           protected:
58               T _object;
59               Mutex _mutex;
60           
61           };
62           
63           template<class T>
64           inline Lockable<T>::Lockable(void)
65           {
66           }
67           
68           template<class T>
69           inline Lockable<T>::~Lockable(void)
70           {
71           }
72           
73           template<class T>
74 chip  1.1 inline Lockable<T>::operator const T &(void) const
75           {
76               return(_object);
77           }
78           
79           template<class T>
80           inline Lockable<T>::operator T &(void)
81           {
82               return(_object);
83           }
84           
85           template<class T>
86           inline void Lockable<T>::lock(void)
87           {
88               _mutex.lock(pegasus_thread_self());
89           }
90           
91           template<class T>
92           inline void Lockable<T>::unlock(void)
93           {
94               _mutex.unlock();
95 chip  1.1 }
96           
97           PEGASUS_NAMESPACE_END
98           
99           #endif