joemarshall commented on code in PR #35672:
URL: https://github.com/apache/arrow/pull/35672#discussion_r1262489479
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cpp/src/arrow/util/thread_pool.cc:
##########
@@ -183,6 +267,110 @@ void SerialExecutor::RunLoop() {
}
state_->current_thread = {};
}
+#else // ARROW_ENABLE_THREADING
+bool SerialExecutor::RunTasksOnAllExecutors(bool once_only) {
+ auto globalState = GetSerialExecutorGlobalState();
+ // if the previously called executor was deleted, ignore last_called_executor
+ if (globalState->last_called_executor != NULL &&
+ globalState->all_executors.count(globalState->last_called_executor) ==
0) {
+ globalState->last_called_executor = NULL;
+ }
+ bool run_task = true;
+ bool keep_going = true;
+ while (keep_going) {
+ run_task = false;
+ keep_going = false;
+ for (auto it = globalState->all_executors.begin();
+ it != globalState->all_executors.end(); ++it) {
+ if (globalState->last_called_executor != NULL) {
+ // always rerun loop if we have a last_called_executor, otherwise
+ // we drop out before everything is
Review Comment:
oops
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