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| 1 /* |
| 2 ****************************************************************************** |
| 3 * Copyright (C) 2014, International Business Machines |
| 4 * Corporation and others. All Rights Reserved. |
| 5 ****************************************************************************** |
| 6 * sharedobject.cpp |
| 7 */ |
| 8 #include "sharedobject.h" |
| 9 |
| 10 U_NAMESPACE_BEGIN |
| 11 SharedObject::~SharedObject() {} |
| 12 |
| 13 void |
| 14 SharedObject::addRef() const { |
| 15 umtx_atomic_inc(&totalRefCount); |
| 16 } |
| 17 |
| 18 void |
| 19 SharedObject::removeRef() const { |
| 20 if(umtx_atomic_dec(&totalRefCount) == 0) { |
| 21 delete this; |
| 22 } |
| 23 } |
| 24 |
| 25 void |
| 26 SharedObject::addSoftRef() const { |
| 27 addRef(); |
| 28 umtx_atomic_inc(&softRefCount); |
| 29 } |
| 30 |
| 31 void |
| 32 SharedObject::removeSoftRef() const { |
| 33 umtx_atomic_dec(&softRefCount); |
| 34 removeRef(); |
| 35 } |
| 36 |
| 37 UBool |
| 38 SharedObject::allSoftReferences() const { |
| 39 return umtx_loadAcquire(totalRefCount) == umtx_loadAcquire(softRefCount); |
| 40 } |
| 41 |
| 42 int32_t |
| 43 SharedObject::getRefCount() const { |
| 44 return umtx_loadAcquire(totalRefCount); |
| 45 } |
| 46 |
| 47 int32_t |
| 48 SharedObject::getSoftRefCount() const { |
| 49 return umtx_loadAcquire(softRefCount); |
| 50 } |
| 51 |
| 52 void |
| 53 SharedObject::deleteIfZeroRefCount() const { |
| 54 if(getRefCount() == 0) { |
| 55 delete this; |
| 56 } |
| 57 } |
| 58 |
| 59 U_NAMESPACE_END |
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