Home | History | Annotate | Download | only in common 
      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(&refCount);
     16 }
     17 
     18 void
     19 SharedObject::removeRef() const {
     20     if(umtx_atomic_dec(&refCount) == 0) {
     21         delete this;
     22     }
     23 }
     24 
     25 int32_t
     26 SharedObject::getRefCount() const {
     27     return umtx_loadAcquire(refCount);
     28 }
     29 
     30 void
     31 SharedObject::deleteIfZeroRefCount() const {
     32     if(getRefCount() == 0) {
     33         delete this;
     34     }
     35 }
     36 
     37 U_NAMESPACE_END
     38