Adding garbage injector option

src/config/config_cmake.h.in

@@ -174,6 +174,9 @@ ${DEFINE_STDC_HEADERS}
 /* If an error occur stop the program */
 ${DEFINE_STOP_ON_ERROR}
 
+/* Garbage injector*/
+${DEFINE_GARBAGE_INJECTOR}
+
 /* Test coverage mode */
 ${DEFINE_TEST_COVERAGE_MODE}
 

src/memory/CudaMemory.cu

@@ -43,7 +43,12 @@ bool CudaMemory::allocate(size_t sz)
 		CUDA_SAFE_CALL(cudaMalloc(&dm,sz));
 		#else
 		if (sz != 0)
-		{dm = new unsigned char[sz];}
+		{
+			dm = new unsigned char[sz];
+			#ifdef GARBAGE_INJECTOR
+			memset(dm,0xFF,sz);
+			#endif
+		}
 		#endif
 	}
 	else
@@ -126,6 +131,9 @@ void CudaMemory::allocate_host(size_t sz) const
 		CUDA_SAFE_CALL(cudaHostAlloc(&hm,sz,cudaHostAllocMapped))
 		#else
 		hm = new unsigned char[sz];
+		#ifdef GARBAGE_INJECTOR
+		memset(hm,0xFF,sz);
+		#endif
 		#endif
 	}
 }
@@ -264,6 +272,9 @@ bool CudaMemory::resize(size_t sz)
 			CUDA_SAFE_CALL(cudaMalloc(&tdm,sz));
 			#else
 			tdm = new unsigned char [sz];
+			#ifdef GARBAGE_INJECTOR
+			memset(tdm,0xFF,sz);
+			#endif
 			#endif
 
 #ifdef FILL_CUDA_MEMORY_WITH_MINUS_ONE
@@ -291,6 +302,9 @@ bool CudaMemory::resize(size_t sz)
 			CUDA_SAFE_CALL(cudaHostAlloc(&thm,sz,cudaHostAllocMapped));
 			#else
 			thm = new unsigned char [sz];
+			#ifdef GARBAGE_INJECTOR
+			memset(thm,0xFF,sz);
+			#endif
 			#endif
 		}
 

src/memory/HeapMemory.cpp

@@ -34,7 +34,12 @@ bool HeapMemory::allocate(size_t sz)
 {
 	//! Allocate the device memory
 	if (dm == NULL)
-	{dmOrig = new byte[sz+alignement+extra_pad];}
+	{
+		dmOrig = new byte[sz+alignement+extra_pad];
+		#ifdef GARBAGE_INJECTOR
+		memset(dmOrig,0xFF,sz+alignement+extra_pad);
+		#endif
+	}
 	else
 	{
 		std::cerr << __FILE__ << ":" << __LINE__ << " error memory already allocated\n";
@@ -174,6 +179,9 @@ bool HeapMemory::resize(size_t sz)
 	byte * tdm;
 	byte * tdmOrig;
 	tdmOrig = new byte[sz+alignement+extra_pad];
+	#ifdef GARBAGE_INJECTOR
+	memset(tdmOrig,0xFF,sz+alignement+extra_pad);
+	#endif
 	tdm = tdmOrig;
 
 	//! size plus alignment