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| 1 /* |
| 2 * Copyright 2013 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 SkMutex_none_DEFINED |
| 9 #define SkMutex_none_DEFINED |
| 10 |
| 11 /** Non-mutex mutex for uniprocessor systems. */ |
| 12 |
| 13 struct SkBaseMutex { |
| 14 void acquire() { } |
| 15 void release() { } |
| 16 }; |
| 17 |
| 18 class SkMutex : public SkBaseMutex, SkNoncopyable { |
| 19 public: |
| 20 SkMutex() { } |
| 21 ~SkMutex() { } |
| 22 }; |
| 23 |
| 24 // Using POD-style initialization prevents the generation of a static initialize
r. |
| 25 #define SK_DECLARE_STATIC_MUTEX(name) static SkBaseMutex name = { } |
| 26 |
| 27 // Special case used when the static mutex must be available globally. |
| 28 #define SK_DECLARE_GLOBAL_MUTEX(name) SkBaseMutex name = { } |
| 29 |
| 30 #endif |
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