jorisvandenbossche commented on code in PR #37821:
URL: https://github.com/apache/arrow/pull/37821#discussion_r1386506161
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cpp/src/arrow/util/io_util.cc:
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@@ -2058,7 +2063,9 @@ Status SendSignal(int signum) {
}
Status SendSignalToThread(int signum, uint64_t thread_id) {
-#ifdef _WIN32
+#ifndef ARROW_ENABLE_THREADING
+ return Status::NotImplemented("Can't send signal with no threads");
+#elif _WIN32
Review Comment:
```suggestion
#elif defined(_WIN32)
```
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