Do not destroy default Allocator until it's empty

common/include/lima/MemUtils.h

@@ -59,13 +59,6 @@ struct LIMACORE_API Allocator
 					   "Moved-from Allocator is not empty");
 	}
 
-	~Allocator()
-	{
-		if (m_ref_count != 0)
-			std::cerr << "Error: destroying non-empty Allocator"
-				  << std::endl;
-	}
-
 	// Allocate a buffer of a given size and eventually return
 	// the associated allocator data and potentially modified size
 	virtual DataPtr alloc(void* &ptr, size_t& size, size_t alignment = 16);
@@ -107,11 +100,18 @@ struct LIMACORE_API Allocator
  protected:
 	friend class Ref;
 
+	virtual ~Allocator()
+	{
+		if (m_ref_count != 0)
+			std::cerr << "Error: destroying non-empty Allocator"
+				  << std::endl;
+	}
+
 	// The real resource management counter, triggered by Ref
 	Allocator *get()
 	{ return ++m_ref_count, this; }
 	void put()
-	{ --m_ref_count; }
+	{ if (--m_ref_count == 0) delete this; }
 
 	// Keep track of allocated buffers pointing to this Allocator:
 	// if greather than 0 this object cannot be moved

common/src/MemUtils.cpp

@@ -108,8 +108,8 @@ void lima::ClearBuffer(void *ptr, int nb_concat_frames,
 
 Allocator *Allocator::defaultAllocator()
 {
-	static Allocator allocator;
-	return &allocator;
+	static Allocator::Ref allocator = new Allocator();
+	return allocator;
 }
 
 Allocator::DataPtr Allocator::alloc(void* &ptr, size_t& size, size_t alignment)

hardware/include/lima/HwBufferMgr.h

@@ -97,7 +97,7 @@ class LIMACORE_API SoftBufferAllocMgr : public BufferAllocMgr
 	typedef BufferList::const_reverse_iterator BufferListCRIt;
 
 	FrameDim m_frame_dim;
-	Allocator *m_allocator;
+	Allocator::Ref m_allocator;
 	BufferList m_buffer_list;
 };
 
@@ -116,7 +116,7 @@ class LIMACORE_API NumaSoftBufferAllocMgr : public SoftBufferAllocMgr
 	void setCPUAffinityMask(unsigned long mask);
 
  protected:
-	AutoPtr<NumaAllocator> m_numa_allocator;
+	NumaAllocator *m_numa_allocator;
 };
 
 #endif //LIMA_USE_NUMA

hardware/src/HwBufferMgr.cpp

@@ -60,9 +60,9 @@ void BufferAllocMgr::clearAllBuffers()
  *******************************************************************/
 
 SoftBufferAllocMgr::SoftBufferAllocMgr()
+	: m_allocator(Allocator::defaultAllocator())
 {
 	DEB_CONSTRUCTOR();
-	setAllocator(Allocator::defaultAllocator());
 }
 
 SoftBufferAllocMgr::~SoftBufferAllocMgr()
@@ -169,6 +169,7 @@ void *SoftBufferAllocMgr::getBufferPtr(int buffer_nb)
 #ifdef LIMA_USE_NUMA
 
 NumaSoftBufferAllocMgr::NumaSoftBufferAllocMgr()
+	: m_numa_allocator(NULL)
 {
 	DEB_CONSTRUCTOR();
 	setCPUAffinityMask(0);