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protect against recursive entry to do_pending()

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This commit is contained in:
David Rose 2009-09-08 02:15:10 +00:00
parent 61bb918380
commit 154812d25a
1 changed files with 7 additions and 3 deletions
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10
panda/src/display/graphicsEngine.cxx
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@ -2296,6 +2296,7 @@ add_window(Windows &wlist, GraphicsOutput *window) {
////////////////////////////////////////////////////////////////////
void GraphicsEngine::WindowRenderer::
remove_window(GraphicsOutput *window) {
nassertv(window != NULL);
LightReMutexHolder holder(_wl_lock);
PT(GraphicsOutput) ptwin = window;
@ -2481,13 +2482,16 @@ do_pending(GraphicsEngine *engine, Thread *current_thread) {
<< "_pending_close.size() = " << _pending_close.size() << "\n";
}
// Close any windows that were pending closure.
// Close any windows that were pending closure. Carefully protect
// against recursive entry to this function by swapping the vector
// to a local copy first.
Windows::iterator wi;
for (wi = _pending_close.begin(); wi != _pending_close.end(); ++wi) {
Windows pending_close;
_pending_close.swap(pending_close);
for (wi = pending_close.begin(); wi != pending_close.end(); ++wi) {
GraphicsOutput *win = (*wi);
win->set_close_now();
}
_pending_close.clear();
}
}