[M3devel] thread.fork getting nil on nt386gnu?

[Tony Hosking]

It is always dangerous to remove assertions that have worked in the  
past.  Better to understand why they no longer work.  Anyway, what  
this suggests is something in alignment because what the assertion  
checks is that the method table for the Thread.Closure object passed  
to Thread.Fork contains a non-NIL function pointer in the "apply" slot.

Antony Hosking | Associate Professor | Computer Science | Purdue  
University
305 N. University Street | West Lafayette | IN 47907 | USA
Office +1 765 494 6001 | Mobile +1 765 427 5484



On Mar 7, 2008, at 1:00 AM, Jay wrote:

> This asssertion is absent from the two other thread implementations,  
> and is dependent on a loophole to underlying details that I didn't  
> track down to determine if they are corrrect. So I merely removed  
> this.
>
> Still can't connect to the X server for some reason..
>
>  - Jay
> CC: m3devel at elegosoft.com
> From: hosking at cs.purdue.edu
> To: jayk123 at hotmail.com
> Subject: Re: [M3devel] thread.fork getting nil on nt386gnu?
> Date: Tue, 26 Feb 2008 13:29:28 -0500
>
> Looks like a corrupted/uninitialized type (method table contains a  
> NIL pointer...).
>
> Antony Hosking | Associate Professor | Computer Science | Purdue  
> University
> 305 N. University Street | West Lafayette | IN 47907 | USA
> Office +1 765 494 6001 | Mobile +1 765 427 5484
>
>
>
> On Feb 25, 2008, at 1:15 PM, Jay wrote:
>
> any obvious ideas? I'll have to pause for a bit again..
>
> Jay at jay-win1 /cygdrive/c/dev2/cm3.2/m3-ui/juno-2/juno-app/NT386GNU/ 
> Juno.exe
>
> ***
> *** runtime error:
> ***    Thread client error: NIL apply method passed to Thread.Fork!
> ***    file "ThreadWin32.m3", line 578
> ***
>   14837 [sig] Juno 3908 c:\dev2\cm3.2\m3-ui\juno-2\juno-app\NT386GNU 
> \Juno.exe: *
> ** fatal error - called with threadlist_ix -1
> Hangup
>
>  - Jay
>
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