Add more clarifying comments

rapidsai · Sep 11, 2024 · 49c1bd0 · 49c1bd0
1 parent df06a5d
commit 49c1bd0
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/cpp/include/kvikio/posix_io.hpp b/cpp/include/kvikio/posix_io.hpp
@@ -47,6 +47,8 @@ class StreamsByThread {
   // (e.g. CUstream) with static storage duration, but instead let them leak
   // on program termination. This is to prevent undefined behavior in CUDA. See
   // <https://docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#initialization>
+  // This also prevents crash (segmentation fault) if clients call
+  // cuDevicePrimaryCtxReset() or cudaDeviceReset() before program termination.
   ~StreamsByThread() = default;
 
   static CUstream get(CUcontext ctx, std::thread::id thd_id)