1 chip  1.1 //%/////////////////////////////////////////////////////////////////////////////
 2           //

 3 kumpf 1.5 // Copyright (c) 2000, 2001, 2002 BMC Software, Hewlett-Packard Company, IBM,
 4           // The Open Group, Tivoli Systems

 5 chip  1.1 //
 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 kumpf 1.5 // 

13 chip  1.1 // 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           //==============================================================================
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 chip  1.1 #include <Pegasus/Common/IPC.h>
35           

36 chip  1.4 PEGASUS_NAMESPACE_BEGIN
37           

38 chip  1.2 template<class T>

39 chip  1.1 class Lockable
40           {
41           public:

42 chip  1.3     Lockable(void);
43               virtual ~Lockable(void);

44 chip  1.1 

45 chip  1.3     operator const T &(void) const;
46               operator T &(void);
47           
48               void lock(void);
49               void unlock(void);

50 chip  1.1 
51           protected:

52 chip  1.3     T _object;

53 chip  1.4     Mutex _mutex;

54 chip  1.1 
55           };
56           

57 chip  1.2 template<class T>
58           inline Lockable<T>::Lockable(void)

59 chip  1.1 {
60           }
61           

62 chip  1.2 template<class T>
63           inline Lockable<T>::~Lockable(void)

64 chip  1.1 {
65           }
66           

67 chip  1.2 template<class T>
68           inline Lockable<T>::operator const T &(void) const

69 chip  1.1 {

70 chip  1.3     return(_object);

71 chip  1.1 }
72           

73 chip  1.2 template<class T>
74           inline Lockable<T>::operator T &(void)

75 chip  1.1 {

76 chip  1.3     return(_object);

77 chip  1.1 }
78           

79 chip  1.2 template<class T>
80           inline void Lockable<T>::lock(void)

81 chip  1.1 {

82 chip  1.4     _mutex.lock(pegasus_thread_self());

83 chip  1.1 }
84           

85 chip  1.2 template<class T>
86           inline void Lockable<T>::unlock(void)

87 chip  1.1 {

88 chip  1.4     _mutex.unlock();

89 chip  1.1 }

90 chip  1.4 
91           PEGASUS_NAMESPACE_END

92 chip  1.1 
93           #endif