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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 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 | |
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