chore: import upstream snapshot with attribution

csrc/aio/py_lib/deepspeed_py_aio_handle.cpp

@@ -0,0 +1,28 @@
+// Copyright (c) Microsoft Corporation.
+// SPDX-License-Identifier: Apache-2.0
+
+// DeepSpeed Team
+
+/*
+Functionality for swapping optimizer tensors to/from (NVMe) storage devices.
+*/
+
+#include "deepspeed_py_aio_handle.h"
+#include <cstdlib>
+
+using namespace std;
+
+deepspeed_aio_handle_t::deepspeed_aio_handle_t(const int block_size,
+                                               const int queue_depth,
+                                               const bool single_submit,
+                                               const bool overlap_events,
+                                               const int intra_op_parallelism)
+    : deepspeed_io_handle_t(block_size,
+                            queue_depth,
+                            single_submit,
+                            overlap_events,
+                            intra_op_parallelism)
+{
+}
+
+deepspeed_aio_handle_t::~deepspeed_aio_handle_t() {}