westonpace commented on a change in pull request #9892:
URL: https://github.com/apache/arrow/pull/9892#discussion_r608243743
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File path: cpp/src/arrow/util/thread_pool.h
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@@ -189,6 +190,64 @@ class ARROW_EXPORT Executor {
StopCallback&&) = 0;
};
+/// \brief An executor implementation that runs all tasks on a single thread
using an
+/// event loop.
+///
+/// Note: Any sort of nested parallelism will deadlock this executor.
Blocking waits are
Review comment:
True, I added the comment to the other thread pool as well.
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