icuSources/common/sharedobject.cpp

   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