From a6a9495390dc57af1649a18b601546219d445878 Mon Sep 17 00:00:00 2001
From: kamilt <kamil.tokarek@secom.com.pl>
Date: Wed, 30 Oct 2024 10:14:43 +0000
Subject: [PATCH] Check if process_thread_ is running before attempting to join

---
 cpp/src/arrow/acero/asof_join_node.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/cpp/src/arrow/acero/asof_join_node.cc b/cpp/src/arrow/acero/asof_join_node.cc
index c4f11d01f3d5c..d8523a074b21d 100644
--- a/cpp/src/arrow/acero/asof_join_node.cc
+++ b/cpp/src/arrow/acero/asof_join_node.cc
@@ -1136,7 +1136,9 @@ class AsofJoinNode : public ExecNode {
   virtual ~AsofJoinNode() {
 #ifdef ARROW_ENABLE_THREADING
     PushProcess(false);
+  if(process_thread_.joinable()){      
     process_thread_.join();
+  }
 #endif
   }