westonpace commented on a change in pull request #10632:
URL: https://github.com/apache/arrow/pull/10632#discussion_r662529376
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File path: cpp/src/arrow/util/async_generator.h
##########
@@ -1338,11 +1342,34 @@ class BackgroundGenerator {
return next;
}
+#if (defined(__GNUC__) || defined(__clang__))
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wclass-memaccess"
+#endif
+
+ void SetWorkerThreadId(const std::thread::id tid) {
Review comment:
If this neat trick to turn a `thread::id` into an `int64_t` is indeed
reliable it might be nice to add `int64_t
arrow::internal::GetCurrentThreadId()`. Probably in `thread_pool.h/cc`.
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