Fix more merge issues:

* Re-apply changes from a620e58daccf92b5b8d61347312739720ed2b51a
* Fix duplicate code resulting from 826236f1bc065fba257d7954d11ac98c59493445

1 files changed, 39 insertions, 32 deletions

diff --git a/indra/llwindow/llwindowwin32.cpp b/indra/llwindow/llwindowwin32.cpp
index 9494eee46d..bacf5325fe 100644
--- a/indra/llwindow/llwindowwin32.cpp
+++ b/indra/llwindow/llwindowwin32.cpp
@@ -344,7 +344,12 @@ struct LLWindowWin32::LLWindowWin32Thread : public LL::ThreadPool
 
     void run() override;
 
-    // closes queue, wakes thread, waits until thread closes
+    // Detroys handles and window
+    // Either post to or call from window thread
+    void destroyWindow();
+
+    // Closes queue, wakes thread, waits until thread closes.
+    // Call from main thread
     bool wakeAndDestroy();
 
     void glReady()
@@ -402,7 +407,7 @@ struct LLWindowWin32::LLWindowWin32Thread : public LL::ThreadPool
     // until after some graphics setup. See SL-20177. -Cosmic,2023-09-18
     bool mGLReady = false;
     bool mGotGLBuffer = false;
-    bool mDeleteOnExit = false;
+    LLAtomicBool mDeleteOnExit = false;
 };
 
 
@@ -4785,17 +4790,48 @@ void LLWindowWin32::LLWindowWin32Thread::run()
 #endif
     }
 
+    destroyWindow();
+
     if (mDeleteOnExit)
     {
         delete this;
     }
 }
 
+void LLWindowWin32::LLWindowWin32Thread::destroyWindow()
+{
+    if (mWindowHandleThrd != NULL && IsWindow(mWindowHandleThrd))
+    {
+        if (mhDCThrd)
+        {
+            if (!ReleaseDC(mWindowHandleThrd, mhDCThrd))
+            {
+                LL_WARNS("Window") << "Release of ghDC failed!" << LL_ENDL;
+            }
+            mhDCThrd = NULL;
+        }
+
+        // This causes WM_DESTROY to be sent *immediately*
+        if (!destroy_window_handler(mWindowHandleThrd))
+        {
+            LL_WARNS("Window") << "Failed to destroy Window! " << std::hex << GetLastError() << LL_ENDL;
+        }
+    }
+    else
+    {
+        // Something killed the window while we were busy destroying gl or handle somehow got broken
+        LL_WARNS("Window") << "Failed to destroy Window, invalid handle!" << LL_ENDL;
+    }
+    mWindowHandleThrd = NULL;
+    mhDCThrd = NULL;
+    mGLReady = false;
+}
+
 bool LLWindowWin32::LLWindowWin32Thread::wakeAndDestroy()
 {
     if (mQueue->isClosed())
     {
-        LL_WARNS() << "Tried to close Queue. Win32 thread Queue already closed." << LL_ENDL;
+        LL_WARNS() << "Tried to close Queue. Win32 thread Queue already closed." <<LL_ENDL;
         return false;
     }
 
@@ -4806,35 +4842,6 @@ bool LLWindowWin32::LLWindowWin32Thread::wakeAndDestroy()
 
     // Schedule destruction
     HWND old_handle = mWindowHandleThrd;
-    post([this]()
-         {
-             if (IsWindow(mWindowHandleThrd))
-             {
-                 if (mhDCThrd)
-                 {
-                     if (!ReleaseDC(mWindowHandleThrd, mhDCThrd))
-                     {
-                         LL_WARNS("Window") << "Release of ghDC failed!" << LL_ENDL;
-                     }
-                     mhDCThrd = NULL;
-                 }
-
-                 // This causes WM_DESTROY to be sent *immediately*
-                 if (!destroy_window_handler(mWindowHandleThrd))
-                 {
-                     LL_WARNS("Window") << "Failed to destroy Window! " << std::hex << GetLastError() << LL_ENDL;
-                 }
-             }
-             else
-             {
-                 // Something killed the window while we were busy destroying gl or handle somehow got broken
-                 LL_WARNS("Window") << "Failed to destroy Window, invalid handle!" << LL_ENDL;
-             }
-             mWindowHandleThrd = NULL;
-             mhDCThrd = NULL;
-             mGLReady = false;
-         });
-
     mDeleteOnExit = true;
     SetWindowLongPtr(old_handle, GWLP_USERDATA, NULL);