Merge pull request #102 from PSuchita/dev

Update cudaStreamDestroy function

1 files changed, 3 insertions, 0 deletions

diff --git a/libcuda/cuda_runtime_api.cc b/libcuda/cuda_runtime_api.cc
index 27644b3..cf16d9b 100644
--- a/libcuda/cuda_runtime_api.cc
+++ b/libcuda/cuda_runtime_api.cc
@@ -1569,6 +1569,9 @@ __host__ cudaError_t CUDARTAPI cudaStreamDestroy(cudaStream_t stream)
 	    announce_call(__my_func__);
     }
 #if (CUDART_VERSION >= 3000)
+	//synchronization required for application using external libraries without explicit synchronization in the code to 
+	//avoid the stream_manager from spinning forever to destroy non-empty streams without making any forward progress. 
+	synchronize();
 	g_stream_manager->destroy_stream(stream);
 #endif
 	return g_last_cudaError = cudaSuccess;