westonpace commented on a change in pull request #10233:
URL: https://github.com/apache/arrow/pull/10233#discussion_r625375258
##########
File path: cpp/src/arrow/util/future.h
##########
@@ -573,6 +573,15 @@ class ARROW_MUST_USE_TYPE Future {
FRIEND_TEST(FutureRefTest, HeadRemoved);
};
+namespace internal {
Review comment:
I don't see this used. What is the intent? There is already
`Future<T>::status`
##########
File path: cpp/src/arrow/util/thread_pool.cc
##########
@@ -321,13 +321,28 @@ void ThreadPool::CollectFinishedWorkersUnlocked() {
state_->finished_workers_.clear();
}
+thread_local ThreadPool* g_current_thread_pool = nullptr;
+
+ThreadPool* ThreadPool::GetCurrentThreadPool() { return g_current_thread_pool;
}
+
+thread_local int g_current_thread_id = 0;
+
+int ThreadPool::GetCurrentThreadId() { return g_current_thread_id; }
Review comment:
If this is returning the thread's `index` maybe `id` is not the best
name? Especially since it might be confused with the existing concept of a
thread id.
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