zeroshade commented on code in PR #37040:
URL: https://github.com/apache/arrow/pull/37040#discussion_r1298642430
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cpp/src/arrow/device.h:
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@@ -98,6 +101,71 @@ class ARROW_EXPORT Device : public
std::enable_shared_from_this<Device>,
/// \brief Return the DeviceAllocationType of this device
virtual DeviceAllocationType device_type() const = 0;
+ /// \brief EXPERIMENTAL: An object that provides event/stream sync primitives
+ class ARROW_EXPORT SyncEvent {
+ public:
+ virtual ~SyncEvent() = default;
+
+ /// @brief Block until sync event is completed.
+ virtual Status wait() = 0;
+
+ /// @brief Make the provided stream wait on the sync event.
+ ///
+ /// Tells the provided stream that it should wait until the
+ /// synchronization event is completed without blocking the CPU.
+ /// @param stream Should be appropriate for the underlying device
Review Comment:
Gotcha, that makes a lot more sense and I actually kinda like it. I'll
quickly add that
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