zeroshade commented on code in PR #37040:
URL: https://github.com/apache/arrow/pull/37040#discussion_r1301920582
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cpp/src/arrow/device.h:
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@@ -165,6 +215,20 @@ class ARROW_EXPORT MemoryManager : public
std::enable_shared_from_this<MemoryMan
static Result<std::shared_ptr<Buffer>> ViewBuffer(
const std::shared_ptr<Buffer>& source, const
std::shared_ptr<MemoryManager>& to);
+ /// \brief Create a SyncEvent for exporting
+ ///
+ /// This version should construct the appropriate event for the device and
+ /// provide the unique_ptr with the correct deleter for the event type.
+ virtual Result<std::shared_ptr<Device::SyncEvent>> MakeDeviceSyncEvent();
+
+ /// \brief Create a SyncEvent from imported device array.
+ ///
+ /// @param sync_event passed in sync_event from the imported device array.
+ /// @param release_sync_event destructor to free sync_event. `nullptr` may be
+ /// passed to indicate that no destruction/freeing is necessary
+ virtual Result<std::shared_ptr<Device::SyncEvent>> MakeDeviceSyncEvent(
Review Comment:
Currently this is only being used when importing from the C Data Interface.
I think we kept the release_sync_event param to keep this as generic as possible
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