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      1 #ifndef DMReporter_DEFINED
      2 #define DMReporter_DEFINED
      3 
      4 #include "SkString.h"
      5 #include "SkTArray.h"
      6 #include "SkThread.h"
      7 #include "SkTime.h"
      8 #include "SkTypes.h"
      9 
     10 // Used to report status changes including failures.  All public methods are threadsafe.
     11 namespace DM {
     12 
     13 class Reporter : SkNoncopyable {
     14 public:
     15     Reporter() : fPending(0), fFailed(0) {}
     16 
     17     void taskCreated()   { sk_atomic_inc(&fPending); }
     18     void taskDestroyed() { sk_atomic_dec(&fPending); }
     19     void fail(SkString msg);
     20 
     21     void printStatus(SkString name, SkMSec timeMs) const;
     22 
     23     void getFailures(SkTArray<SkString>*) const;
     24 
     25 private:
     26     int32_t fPending; // atomic
     27     int32_t fFailed;  // atomic, == fFailures.count().
     28 
     29     mutable SkMutex fMutex;  // Guards fFailures.
     30     SkTArray<SkString> fFailures;
     31 };
     32 
     33 
     34 }  // namespace DM
     35 
     36 #endif  // DMReporter_DEFINED
     37