| OLD | NEW |
| 1 | |
| 2 /* | 1 /* |
| 3 * Copyright 2006 The Android Open Source Project | 2 * Copyright 2006 The Android Open Source Project |
| 4 * | 3 * |
| 5 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 6 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 7 */ | 6 */ |
| 8 | 7 |
| 9 | |
| 10 #ifndef SkRefCnt_DEFINED | 8 #ifndef SkRefCnt_DEFINED |
| 11 #define SkRefCnt_DEFINED | 9 #define SkRefCnt_DEFINED |
| 12 | 10 |
| 13 #include "SkAtomics.h" | 11 #include "SkAtomics.h" |
| 14 #include "SkTemplates.h" | 12 #include "SkTypes.h" |
| 15 | 13 |
| 16 /** \class SkRefCntBase | 14 /** \class SkRefCntBase |
| 17 | 15 |
| 18 SkRefCntBase is the base class for objects that may be shared by multiple | 16 SkRefCntBase is the base class for objects that may be shared by multiple |
| 19 objects. When an existing owner wants to share a reference, it calls ref(). | 17 objects. When an existing owner wants to share a reference, it calls ref(). |
| 20 When an owner wants to release its reference, it calls unref(). When the | 18 When an owner wants to release its reference, it calls unref(). When the |
| 21 shared object's reference count goes to zero as the result of an unref() | 19 shared object's reference count goes to zero as the result of an unref() |
| 22 call, its (virtual) destructor is called. It is an error for the | 20 call, its (virtual) destructor is called. It is an error for the |
| 23 destructor to be called explicitly (or via the object going out of scope on | 21 destructor to be called explicitly (or via the object going out of scope on |
| 24 the stack or calling delete) if getRefCnt() > 1. | 22 the stack or calling delete) if getRefCnt() > 1. |
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| 240 SkDELETE((const Derived*)this); | 238 SkDELETE((const Derived*)this); |
| 241 } | 239 } |
| 242 } | 240 } |
| 243 void deref() const { this->unref(); } | 241 void deref() const { this->unref(); } |
| 244 | 242 |
| 245 private: | 243 private: |
| 246 mutable int32_t fRefCnt; | 244 mutable int32_t fRefCnt; |
| 247 }; | 245 }; |
| 248 | 246 |
| 249 #endif | 247 #endif |
| OLD | NEW |