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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 #include <canvas/canvastoolsdllapi.h>
31 
32 
33 namespace canvas
34 {
35     namespace tools
36     {
37         struct PriorityBooster_Impl;
38 
39         /** Simplistic RAII object, to temporarily boost execution
40             priority for the current scope.
41          */
42         class PriorityBooster
43         {
44         public:
45             /** Create booster, with given priority delta
46 
47             	@param nDelta
48                 Difference in execution priority. Positive values
49                 increase prio, negative values decrease prio.
50              */
51              CANVASTOOLS_DLLPUBLIC explicit PriorityBooster( sal_Int32 nDelta );
52              CANVASTOOLS_DLLPUBLIC ~PriorityBooster();
53 
54         private:
55             // also disables copy constructor and assignment operator
56             const ::std::auto_ptr< PriorityBooster_Impl > mpImpl;
57         };
58     }
59 }
60 
61 #endif /* INCLUDED_CANVAS_PRIORITYBOOSTER_HXX */
62 // eof
63