From e8a6405fea369d084a0d378ec6c273c07ac33957 Mon Sep 17 00:00:00 2001
From: Thierry Matthey <tmatthey@slb.com>
Date: Mon, 6 May 2024 14:57:06 +0200
Subject: [PATCH] Try catch for blocking recieve which can throw

---
 src/NetMQ/Core/Mailbox.cs | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/NetMQ/Core/Mailbox.cs b/src/NetMQ/Core/Mailbox.cs
index b23c6469a..dc10b3781 100644
--- a/src/NetMQ/Core/Mailbox.cs
+++ b/src/NetMQ/Core/Mailbox.cs
@@ -19,6 +19,7 @@ You should have received a copy of the GNU Lesser General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+using System;
 using System.Diagnostics;
 using System.Net.Sockets;
 using NetMQ.Core.Utils;
@@ -208,8 +209,17 @@ public bool TryRecv(int timeout, out Command command)
                     return true;
 
                 // If there are no more commands available, switch into passive state.
-                m_active = false;
-                m_signaler.Recv();
+                try
+                {
+                    m_active = false;
+                    m_signaler.Recv();
+                }
+                catch
+                {
+                    m_active = true;
+                    command = default(Command);
+                    return false;
+                }
             }
 
             // Wait for signal from the command sender.