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From: Richard.Draves@CS.CMU.EDU
Newsgroups: comp.windows.x
Subject: Re: event-driven X11
Message-ID: <0YdiFY600hYP1JKUk2@cs.cmu.edu>
Date: 27 Jun 89 02:20:20 GMT
References: <5315@pt.cs.cmu.edu>
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> Excerpts from ext.in.xpert: 26-Jun-89 Re: event-driven X11 eddie
> caplan@pt.cs.cmu.e (740)

> by the way, Jim Fulton's suggestion of setting a SIGIO on
> ConnectionNumber(dpy)
> is not a bad idea.  i might switch to it.


This can be made to work (GNU Emacs does it), but it takes care to get
the locking right if you do X operations in your signal handler.  It's
especially difficult if you care about performance (something the Emacs
implementation falls down on).

Rich