diff options
Diffstat (limited to 'indra/llwindow/llwindowwin32.cpp')
| -rw-r--r-- | indra/llwindow/llwindowwin32.cpp | 151 |
1 files changed, 73 insertions, 78 deletions
diff --git a/indra/llwindow/llwindowwin32.cpp b/indra/llwindow/llwindowwin32.cpp index f349c4aea8..70bdb25415 100644 --- a/indra/llwindow/llwindowwin32.cpp +++ b/indra/llwindow/llwindowwin32.cpp @@ -345,8 +345,13 @@ struct LLWindowWin32::LLWindowWin32Thread : public LL::ThreadPool void run() override; void close() override; - // closes queue, wakes thread, waits until thread closes - void wakeAndDestroy(); + // 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() { @@ -404,6 +409,7 @@ struct LLWindowWin32::LLWindowWin32Thread : public LL::ThreadPool bool mGLReady = false; bool mGotGLBuffer = false; bool mShuttingDown = false; + LLAtomicBool mDeleteOnExit = false; }; @@ -847,6 +853,7 @@ LLWindowWin32::~LLWindowWin32() } delete mDragDrop; + mDragDrop = NULL; delete [] mWindowTitle; mWindowTitle = NULL; @@ -858,6 +865,7 @@ LLWindowWin32::~LLWindowWin32() mWindowClassName = NULL; delete mWindowThread; + mWindowThread = NULL; } void LLWindowWin32::show() @@ -976,7 +984,11 @@ void LLWindowWin32::close() mhDC = NULL; mWindowHandle = NULL; - mWindowThread->wakeAndDestroy(); + if (mWindowThread->wakeAndDestroy()) + { + // thread will delete itselfs once done + mWindowThread = NULL; + } } bool LLWindowWin32::isValid() @@ -3096,10 +3108,17 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_ break; } } - else + else // (NULL == window_imp) { - // (NULL == window_imp) - LL_DEBUGS("Window") << "No window implementation to handle message with, message code: " << U32(u_msg) << LL_ENDL; + if (u_msg == WM_DESTROY) + { + PostQuitMessage(0); // Posts WM_QUIT with an exit code of 0 + return 0; + } + else + { + LL_DEBUGS("Window") << "No window implementation to handle message with, message code: " << U32(u_msg) << LL_ENDL; + } } // pass unhandled messages down to Windows @@ -4786,14 +4805,50 @@ void LLWindowWin32::LLWindowWin32Thread::run() } #endif } + + destroyWindow(); + + if (mDeleteOnExit) + { + delete this; + } } -void LLWindowWin32::LLWindowWin32Thread::wakeAndDestroy() +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; - return; + LL_WARNS() << "Tried to close Queue. Win32 thread Queue already closed." <<LL_ENDL; + return false; } mShuttingDown = true; @@ -4805,34 +4860,14 @@ void 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); + + // Let thread finish on its own and don't block main thread. + for (auto& pair : mThreads) + { + pair.second.detach(); + } LL_DEBUGS("Window") << "Closing window's pool queue" << LL_ENDL; mQueue->close(); @@ -4848,48 +4883,8 @@ void LLWindowWin32::LLWindowWin32Thread::wakeAndDestroy() PostMessage(old_handle, WM_DUMMY_, wparam, 0x1337); } - // There are cases where window will refuse to close, - // can't wait forever on join, check state instead - LLTimer timeout; - timeout.setTimerExpirySec(2.0); - while (!getQueue().done() && !timeout.hasExpired() && mWindowHandleThrd) - { - ms_sleep(100); - } - - if (getQueue().done() || mWindowHandleThrd == NULL) - { - // Window is closed, started closing or is cleaning up - // now wait for our single thread to die. - if (mWindowHandleThrd) - { - LL_INFOS("Window") << "Window is closing, waiting on pool's thread to join, time since post: " << timeout.getElapsedSeconds() << "s" << LL_ENDL; - } - else - { - LL_DEBUGS("Window") << "Waiting on pool's thread, time since post: " << timeout.getElapsedSeconds() << "s" << LL_ENDL; - } - for (auto& pair : mThreads) - { - pair.second.join(); - } - } - else - { - // Something suspended window thread, can't afford to wait forever - // so kill thread instead - // Ex: This can happen if user starts dragging window arround (if it - // was visible) or a modal notification pops up - LL_WARNS("Window") << "Window is frozen, couldn't perform clean exit" << LL_ENDL; - - for (auto& pair : mThreads) - { - // very unsafe - TerminateThread(pair.second.native_handle(), 0); - pair.second.detach(); - } - } LL_DEBUGS("Window") << "thread pool shutdown complete" << LL_ENDL; + return true; } void LLWindowWin32::post(const std::function<void()>& func) |