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      1 /*
      2  * Copyright 2012 Google Inc.
      3  *
      4  * Use of this source code is governed by a BSD-style license that can be
      5  * found in the LICENSE file.
      6  */
      7 
      8 #ifndef SkThreadUtils_DEFINED
      9 #define SkThreadUtils_DEFINED
     10 
     11 #include "SkTypes.h"
     12 
     13 class SkThread : SkNoncopyable {
     14 public:
     15     typedef void (*entryPointProc)(void*);
     16 
     17     SkThread(entryPointProc entryPoint, void* data = NULL);
     18 
     19     /**
     20      * Non-virtual, do not subclass.
     21      */
     22     ~SkThread();
     23 
     24     /**
     25      * Starts the thread. Returns false if the thread could not be started.
     26      */
     27     bool start();
     28 
     29     /**
     30      * Waits for the thread to finish.
     31      * If the thread has not started, returns immediately.
     32      */
     33     void join();
     34 
     35     /**
     36      * SkThreads with an affinity for the same processor will attempt to run cache
     37      * locally with each other. SkThreads with an affinity for different processors
     38      * will attempt to run on different cores. Returns false if the request failed.
     39      */
     40     bool setProcessorAffinity(unsigned int processor);
     41 
     42 private:
     43     void* fData;
     44 };
     45 
     46 #endif
     47