Path: utzoo!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!zaphod.mps.ohio-state.edu!usc!ucsd!dog.ee.lbl.gov!ucbvax!bloom-beacon!dont-send-mail-to-path-lines From: martin@eucad.co.UK (Martin Elliot) Newsgroups: comp.windows.x Subject: need help with XIOErrorHandler Message-ID: <9103041449.AA17853@eucad.co.uk> Date: 4 Mar 91 14:49:30 GMT Sender: daemon@athena.mit.edu (Mr Background) Organization: The Internet Lines: 13 I have an application that is occasionally encountering an X IOError (calling the handler set by XSetIOErrorHandler). I am having trouble tracking down the problem. In what circumstances is the IO error handler called? How can I find out what is causing the problem? Any help would be appreciated, Martin Elliot martin@eucad.co.uk European CAD Developments Edinburgh, SCOTLAND