FGFS-4.1/OpenSceneGraph
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Added thread safe debugging checking of allocation/deallocations

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This commit is contained in:
Robert Osfield
2008-01-19 18:26:41 +00:00
parent 5e9c708582
commit 76b6ef6368
1 changed files with 45 additions and 1 deletions
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46
src/osg/Referenced.cpp
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@@ -31,6 +31,9 @@
namespace osg
{
//#define ENFORCE_THREADSAFE
//#define DEBUG_OBJECT_ALLOCATION_DESTRUCTION
// specialized smart pointer, used to get round auto_ptr<>'s lack of the destructor reseting itself to 0.
struct DeleteHandlerPointer
{
@@ -79,7 +82,6 @@ struct DeleteHandlerPointer
typedef std::set<Observer*> ObserverSet;
//#define ENFORCE_THREADSAFE
static bool s_useThreadSafeReferenceCounting = getenv("OSG_THREAD_SAFE_REF_UNREF")!=0;
// static std::auto_ptr<DeleteHandler> s_deleteHandler(0);
@@ -108,6 +110,15 @@ DeleteHandler* Referenced::getDeleteHandler()
return s_deleteHandler.get();
}
#ifdef DEBUG_OBJECT_ALLOCATION_DESTRUCTION
OpenThreads::Mutex& getNumObjectMutex()
{
static OpenThreads::Mutex s_numObjectMutex;
return s_numObjectMutex;
}
static int s_numObjects = 0;
#endif
Referenced::Referenced():
_refMutex(0),
_refCount(0),
@@ -117,6 +128,15 @@ Referenced::Referenced():
if (s_useThreadSafeReferenceCounting)
#endif
_refMutex = new OpenThreads::Mutex;
#ifdef DEBUG_OBJECT_ALLOCATION_DESTRUCTION
{
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(getNumObjectMutex());
++s_numObjects;
osg::notify(osg::NOTICE)<<"Object created, total num="<<s_numObjects<<std::endl;
}
#endif
}
Referenced::Referenced(bool threadSafeRefUnref):
@@ -130,6 +150,14 @@ Referenced::Referenced(bool threadSafeRefUnref):
if (threadSafeRefUnref)
#endif
_refMutex = new OpenThreads::Mutex;
#ifdef DEBUG_OBJECT_ALLOCATION_DESTRUCTION
{
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(getNumObjectMutex());
++s_numObjects;
osg::notify(osg::NOTICE)<<"Object created, total num="<<s_numObjects<<std::endl;
}
#endif
}
Referenced::Referenced(const Referenced&):
@@ -141,10 +169,26 @@ Referenced::Referenced(const Referenced&):
if (s_useThreadSafeReferenceCounting)
#endif
_refMutex = new OpenThreads::Mutex;
#ifdef DEBUG_OBJECT_ALLOCATION_DESTRUCTION
{
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(getNumObjectMutex());
++s_numObjects;
osg::notify(osg::NOTICE)<<"Object created, total num="<<s_numObjects<<std::endl;
}
#endif
}
Referenced::~Referenced()
{
#ifdef DEBUG_OBJECT_ALLOCATION_DESTRUCTION
{
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(getNumObjectMutex());
--s_numObjects;
osg::notify(osg::NOTICE)<<"Object deleted, total num="<<s_numObjects<<std::endl;
}
#endif
if (_refCount>0)
{
notify(WARN)<<"Warning: deleting still referenced object "<<this<<" of type '"<<typeid(this).name()<<"'"<<std::endl;