FGFS-4.1/OpenSceneGraph
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Added a Refrenced::getGlobalReferencedMutex, and OpenThreads::ScopedPointerLock() and use of this in add/removeParent() codes

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to avoid threading problems when using atomic ref counting.
This commit is contained in:
Robert Osfield
2008-10-14 14:27:41 +00:00
parent af13e84093
commit ac975bf79a
7 changed files with 53 additions and 61 deletions
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25
src/osg/StateSet.cpp
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@@ -252,32 +252,17 @@ void StateSet::computeDataVariance()
void StateSet::addParent(osg::Object* object)
{
// osg::notify(osg::INFO)<<"Adding parent"<<std::endl;
if (getRefMutex())
{
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(*getRefMutex());
OpenThreads::ScopedPointerLock<OpenThreads::Mutex> lock(getRefMutex());
_parents.push_back(object);
}
else
{
_parents.push_back(object);
}
_parents.push_back(object);
}
void StateSet::removeParent(osg::Object* object)
{
if (getRefMutex())
{
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(*getRefMutex());
OpenThreads::ScopedPointerLock<OpenThreads::Mutex> lock(getRefMutex());
ParentList::iterator pitr = std::find(_parents.begin(),_parents.end(),object);
if (pitr!=_parents.end()) _parents.erase(pitr);
}
else
{
ParentList::iterator pitr = std::find(_parents.begin(),_parents.end(),object);
if (pitr!=_parents.end()) _parents.erase(pitr);
}
ParentList::iterator pitr = std::find(_parents.begin(),_parents.end(),object);
if (pitr!=_parents.end()) _parents.erase(pitr);
}
int StateSet::compare(const StateSet& rhs,bool compareAttributeContents) const