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 SkCountdown_DEFINED 9 #define SkCountdown_DEFINED 10 11 #include "SkCondVar.h" 12 #include "SkRunnable.h" 13 #include "SkTypes.h" 14 15 class SkCountdown : public SkRunnable { 16 public: 17 explicit SkCountdown(int32_t count); 18 19 /** 20 * Resets the countdown to the count provided. 21 */ 22 void reset(int32_t count); 23 24 virtual void run() SK_OVERRIDE; 25 26 /** 27 * Blocks until run() has been called count times. 28 */ 29 void wait(); 30 31 private: 32 SkCondVar fReady; 33 int32_t fCount; 34 }; 35 36 #endif 37
