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From: glenn@heaven.woodside.ca.us (Glenn Reid)
Newsgroups: comp.sys.next
Subject: Re: XtAddInput analog in NeXT Step
Message-ID: <443@heaven.woodside.ca.us>
Date: 2 Mar 91 01:36:13 GMT
References: <1991Mar1.174526.17075@wdl1.wdl.loral.com>
Sender: glenn@heaven.woodside.ca.us
Lines: 15

In article <1991Mar1.174526.17075@wdl1.wdl.loral.com> mdm@wdl50.wdl.loral.com  
(Mike D Marchionna) writes:
> 
> In X there is a function called XtAddInput that allows the caller to specify  
a
> UNIX file descriptor to monitor.  XtAddInput will invoke a specified callback
> routine whenever there is data to read on the indicated file descriptor.

Check out DPSAddFD().  It's part of Display PostScript, but I think it will
do what you want.

--
 Glenn Reid				RightBrain Software
 glenn@heaven.woodside.ca.us		NeXT/PostScript developers
 ..{adobe,next}!heaven!glenn		415-851-1785 (fax 851-1470)