1 files changed, 26 insertions, 2 deletions

diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index e016d0e341..bae9749772 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -1349,6 +1349,7 @@ bool LLAppViewer::frame()
 
 bool LLAppViewer::doFrame()
 {
+    resumeMainloopTimeout("Main:doFrameStart");
 #ifdef LL_DISCORD
     {
         LL_PROFILE_ZONE_NAMED("discord_callbacks");
@@ -1643,17 +1644,20 @@ bool LLAppViewer::doFrame()
 
     if (LLApp::isExiting())
     {
+        pingMainloopTimeout("Main:qSnapshot");
         // Save snapshot for next time, if we made it through initialization
         if (STATE_STARTED == LLStartUp::getStartupState())
         {
             saveFinalSnapshot();
         }
 
+        pingMainloopTimeout("Main:TerminateVoice");
         if (LLVoiceClient::instanceExists())
         {
             LLVoiceClient::getInstance()->terminate();
         }
 
+        pingMainloopTimeout("Main:TerminatePump");
         delete gServicePump;
         gServicePump = NULL;
 
@@ -1662,6 +1666,11 @@ bool LLAppViewer::doFrame()
         LL_INFOS() << "Exiting main_loop" << LL_ENDL;
     }
     }LLPerfStats::StatsRecorder::endFrame();
+
+    // Not viewer's fault if something outside frame
+    // pauses viewer (ex: macOS doesn't call oneFrame),
+    // so stop tracking on exit.
+    pauseMainloopTimeout();
     LL_PROFILER_FRAME_END;
 
     return ! LLApp::isRunning();
@@ -3205,7 +3214,6 @@ bool LLAppViewer::initWindow()
                 app->createErrorMarker(LAST_EXEC_FROZE);
             }
         });
-        gViewerWindow->getWindow()->initWatchdog();
     }
 
     LLNotificationsUI::LLNotificationManager::getInstance();
@@ -4185,6 +4193,7 @@ void LLAppViewer::requestQuit()
         return;
     }
 
+    pingMainloopTimeout("Main:qMetrics");
     // Try to send metrics back to the grid
     metricsSend(!gDisconnected);
 
@@ -4200,6 +4209,7 @@ void LLAppViewer::requestQuit()
     LLHUDManager::getInstance()->sendEffects();
     effectp->markDead() ;//remove it.
 
+    pingMainloopTimeout("Main:qFloaters");
     // Attempt to close all floaters that might be
     // editing things.
     if (gFloaterView)
@@ -4208,6 +4218,7 @@ void LLAppViewer::requestQuit()
         gFloaterView->closeAllChildren(true);
         mClosingFloaters = true;
     }
+    pingMainloopTimeout("Main:qStats");
 
     // Send preferences once, when exiting
     bool include_preferences = true;
@@ -4215,6 +4226,7 @@ void LLAppViewer::requestQuit()
 
     gLogoutTimer.reset();
     mQuitRequested = true;
+    pingMainloopTimeout("Main:LoggingOut");
 }
 
 static bool finish_quit(const LLSD& notification, const LLSD& response)
@@ -5514,6 +5526,7 @@ void LLAppViewer::outOfMemorySoftQuit()
         LLLFSThread::sLocal->pause();
         gLogoutTimer.reset();
         mQuitRequested = true;
+        destroyMainloopTimeout();
 
         LLError::LLUserWarningMsg::showOutOfMemory();
     }
@@ -5930,10 +5943,16 @@ void LLAppViewer::pingMainloopTimeout(std::string_view state)
 
 F32 LLAppViewer::getMainloopTimeoutSec() const
 {
+    if (isQuitting() || mQuitRequested)
+    {
+        constexpr F32 QUITTING_SECONDS = 240.f;
+        return QUITTING_SECONDS;
+    }
     if (LLStartUp::getStartupState() == STATE_STARTED
         && gAgent.getTeleportState() == LLAgent::TELEPORT_NONE)
     {
-        static LLCachedControl<F32> mainloop_started(gSavedSettings, "MainloopTimeoutStarted", 30.f);
+        // consider making this value match 'disconnected' timout.
+        static LLCachedControl<F32> mainloop_started(gSavedSettings, "MainloopTimeoutStarted", 60.f);
         return mainloop_started();
     }
     else
@@ -5947,6 +5966,11 @@ void LLAppViewer::handleLoginComplete()
 {
     gLoggedInTime.start();
     initMainloopTimeout("Mainloop Init");
+    LLWindow* viewer_window = gViewerWindow->getWindow();
+    if (viewer_window) // in case of a headless client
+    {
+        viewer_window->initWatchdog();
+    }
 
     // Store some data to DebugInfo in case of a freeze.
     gDebugInfo["ClientInfo"]["Name"] = LLVersionInfo::instance().getChannel();