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1 /* |
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2 * Copyright 2012 Google Inc. |
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3 * |
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4 * Use of this source code is governed by a BSD-style license that can be |
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5 * found in the LICENSE file. |
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6 */ |
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7 |
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8 #include "SkCountdown.h" |
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9 #include "SkThread.h" |
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10 |
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11 SkCountdown::SkCountdown(int32_t count) |
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12 : fCount(count) {} |
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13 |
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14 void SkCountdown::reset(int32_t count) { |
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15 fCount = count; |
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16 } |
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17 |
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18 void SkCountdown::run() { |
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19 if (sk_atomic_dec(&fCount) == 1) { |
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20 fReady.lock(); |
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21 fReady.signal(); |
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22 fReady.unlock(); |
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23 } |
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24 } |
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25 |
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26 void SkCountdown::wait() { |
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27 fReady.lock(); |
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28 while (fCount > 0) { |
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29 fReady.wait(); |
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30 } |
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31 fReady.unlock(); |
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32 } |