From adee09a11b31a508c363598c1b609f8ab6933750 Mon Sep 17 00:00:00 2001
From: Andrey Kleshchev <117672381+akleshchev@users.noreply.github.com>
Date: Thu, 19 Mar 2026 22:40:09 +0200
Subject: #5346 Fix early exit crash

---
 indra/llcommon/workqueue.cpp | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

(limited to 'indra/llcommon/workqueue.cpp')

diff --git a/indra/llcommon/workqueue.cpp b/indra/llcommon/workqueue.cpp
index 0407d6c3e9..111ad4322e 100644
--- a/indra/llcommon/workqueue.cpp
+++ b/indra/llcommon/workqueue.cpp
@@ -38,7 +38,8 @@ LL::WorkQueueBase::WorkQueueBase(const std::string& name, bool auto_shutdown)
     {
         // Register for "LLApp" events so we can implicitly close() on viewer shutdown
         std::string listener_name = "WorkQueue:" + getKey();
-        LLEventPumps::instance().obtain("LLApp").listen(
+        LLEventPumps* pump = LLEventPumps::getInstance();
+        pump->obtain("LLApp").listen(
             listener_name,
             [this](const LLSD& stat)
             {
@@ -54,14 +55,25 @@ LL::WorkQueueBase::WorkQueueBase(const std::string& name, bool auto_shutdown)
 
         // Store the listener name so we can unregister in the destructor
         mListenerName = listener_name;
+        mPumpHandle = pump->getHandle();
     }
 }
 
 LL::WorkQueueBase::~WorkQueueBase()
 {
-    if (!mListenerName.empty() && !LLEventPumps::wasDeleted())
+    if (!mListenerName.empty() && !mPumpHandle.isDead())
     {
-        LLEventPumps::instance().obtain("LLApp").stopListening(mListenerName);
+        // Due to shutdown order issues, use handle, not a singleton
+        // and ignore fiber issue.
+        try
+        {
+            LLEventPumps* pump = mPumpHandle.get();
+            pump->obtain("LLApp").stopListening(mListenerName);
+        }
+        catch (const boost::fibers::lock_error&)
+        {
+            // Likely mutex is down, ignore
+        }
     }
 }
 
-- 
cgit v1.3