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21 
22 
23 
24 #ifndef INCLUDED_CANVAS_PRIORITYBOOSTER_HXX
25 #define INCLUDED_CANVAS_PRIORITYBOOSTER_HXX
26 
27 #include <sal/types.h>
28 
29 #include <memory>
30 
31 
32 namespace canvas
33 {
34     namespace tools
35     {
36         struct PriorityBooster_Impl;
37 
38         /** Simplistic RAII object, to temporarily boost execution
39             priority for the current scope.
40          */
41         class PriorityBooster
42         {
43         public:
44             /** Create booster, with given priority delta
45 
46             	@param nDelta
47                 Difference in execution priority. Positive values
48                 increase prio, negative values decrease prio.
49              */
50             explicit PriorityBooster( sal_Int32 nDelta );
51             ~PriorityBooster();
52 
53         private:
54             // also disables copy constructor and assignment operator
55             const ::std::auto_ptr< PriorityBooster_Impl > mpImpl;
56         };
57     }
58 }
59 
60 #endif /* INCLUDED_CANVAS_PRIORITYBOOSTER_HXX */
61 // eof
62