From 020cc56a6dbe6635e3940953952fe8b05c1efa75 Mon Sep 17 00:00:00 2001
From: Max Schwarz <max.schwarz@ais.uni-bonn.de>
Date: Wed, 16 Dec 2020 16:53:09 +0100
Subject: [PATCH] core: monitor: do not leak stderr file descriptors

---
 rosmon_core/src/monitor/node_monitor.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/rosmon_core/src/monitor/node_monitor.cpp b/rosmon_core/src/monitor/node_monitor.cpp
index e65c4e56..33802c19 100644
--- a/rosmon_core/src/monitor/node_monitor.cpp
+++ b/rosmon_core/src/monitor/node_monitor.cpp
@@ -407,6 +407,8 @@ void NodeMonitor::communicateStderr()
 			handleByte('\n');
 
 		m_fdWatcher->removeFD(m_stderrFD);
+        close(m_stderrFD);
+        m_stderrFD = -1;
 		return; // handled in communicate()
 	}