60 lines
1.2 KiB
C++
60 lines
1.2 KiB
C++
/*
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******************************************************************************
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* Copyright (C) 2014, International Business Machines
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* Corporation and others. All Rights Reserved.
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******************************************************************************
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* sharedobject.cpp
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*/
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#include "sharedobject.h"
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U_NAMESPACE_BEGIN
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SharedObject::~SharedObject() {}
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void
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SharedObject::addRef() const {
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umtx_atomic_inc(&totalRefCount);
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}
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void
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SharedObject::removeRef() const {
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if(umtx_atomic_dec(&totalRefCount) == 0) {
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delete this;
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}
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}
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void
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SharedObject::addSoftRef() const {
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addRef();
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umtx_atomic_inc(&softRefCount);
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}
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void
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SharedObject::removeSoftRef() const {
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umtx_atomic_dec(&softRefCount);
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removeRef();
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}
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UBool
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SharedObject::allSoftReferences() const {
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return umtx_loadAcquire(totalRefCount) == umtx_loadAcquire(softRefCount);
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}
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int32_t
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SharedObject::getRefCount() const {
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return umtx_loadAcquire(totalRefCount);
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}
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int32_t
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SharedObject::getSoftRefCount() const {
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return umtx_loadAcquire(softRefCount);
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}
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void
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SharedObject::deleteIfZeroRefCount() const {
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if(getRefCount() == 0) {
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delete this;
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}
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}
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U_NAMESPACE_END
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