Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!ucbvax!hplabs!hpfcdc!hpfcdq!toml
From: toml@hpfcdq.HP.COM (Tom LaStrange)
Newsgroups: comp.windows.x
Subject: Re: BUG and FIX in twm
Message-ID: <890030@hpfcdq.HP.COM>
Date: 11 Mar 89 18:07:32 GMT
References: <4298@ingr.com>
Organization: Hewlett-Packard - Fort Collins, CO
Lines: 38

> I have discovered and bug in twm and how to fix it. (If you have source)
> 
> The problems has to do with twm losing events.  This may show up as
> windows not being mapped (displayed) etc.  It appears that Mr. LaStrange
> goofed on a few calls to XSync() in that he forget the second parameter
> that says whether or not to discard all events in the input queue.
> In my program, twm was losing MapRequest events and windows would never
> get mapped!
> 
> To solve the problem change the following in 'add_window.c':
    > XSync(dpy);			<- this is the one that hurt
> to
    > XSync(dpy, False);
> 
> 
> and in 'twm.c' change the TWO calls:
    > XSync(dpy, screen);		<- screen? old X10 or something? 
> to
    > XSync(dpy, False);
> 
> If this is an already reported bug then pardon me but I just found this
> and I noticed other people were having problems that seemed to be caused
> by this.
> 
> Otherwise I like twm and use it myself.
> 
> ------------------------------------------------------------------
> Doyle C. Davidson              |

Sorry about that, there should be a new version of twm available shortly
that has some new features and a bunch of bugs fixed.

--
Tom LaStrange

Hewlett Packard Co.               ARPA: toml%hpfcla@hplabs.hp.com
Graphics Technology Division      UUCP: hplabs!hpfcla!toml
Fort Collins, CO