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-rw-r--r--libcuda/cuda_runtime_api.cc4
1 files changed, 4 insertions, 0 deletions
diff --git a/libcuda/cuda_runtime_api.cc b/libcuda/cuda_runtime_api.cc
index f130a37..33da17f 100644
--- a/libcuda/cuda_runtime_api.cc
+++ b/libcuda/cuda_runtime_api.cc
@@ -1203,6 +1203,10 @@ __host__ cudaError_t CUDARTAPI cudaStreamWaitEvent(cudaStream_t stream, cudaEven
{
CUevent_st *e = get_event(event);
if( !e ) return g_last_cudaError = cudaErrorUnknown;
+ if (!stream){
+ printf("GPGPU-Sim API: Warning: cudaStreamWaitEvent on NULL stream not currently supported.\n");
+ return g_last_cudaError = cudaErrorInvalidValue;
+ }
struct CUstream_st *s = (struct CUstream_st *)stream;
stream_operation op(s,e,flags);
g_stream_manager->push(op);