<html> <head> <base href="https://bugzilla.gnome.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - wayland: possible infinite loop in gdkwindow-wayland" href="https://bugzilla.gnome.org/show_bug.cgi?id=759299#c11">Comment # 11</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - wayland: possible infinite loop in gdkwindow-wayland" href="https://bugzilla.gnome.org/show_bug.cgi?id=759299">bug 759299</a> from <a href="page.cgi?id=describeuser.html&login=ofourdan%40redhat.com" title="Olivier Fourdan <ofourdan@redhat.com>"> Olivier Fourdan</a> <pre>I reckon you need to set the transient_for first to walk up the tree and detect all possibilities. Consider this case, two valid and distinct transient trees (where "->" means "is transient for"): [ A ] -> [ B ] -> [ C ] And [ D ] -> [ E ] -> [ A ] Now the program tries to set [ C ] -> [ D ] (ie C becomes transient for D) If you start walking up the tree starting from C, you won't hit D in the first tree, neither you will hit C walking up the second tree starting from D, and yet, if C becomes transient for D, you'll have a loop: [ A ] -> [ B ] -> [ C ] -> [ D ] -> [ E ] -> [ A ]</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are on the CC list for the bug.</li> </ul> </body> </html>