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RE: [Axiomdeveloper] Re: Bug#346552: naive methods of exiting axiomcan
From: 
Page, Bill 
Subject: 
RE: [Axiomdeveloper] Re: Bug#346552: naive methods of exiting axiomcan blow up catastrophically 
Date: 
Fri, 27 Oct 2006 10:36:45 0400 
On Friday, October 27, 2006 9:52 AM Camm Maguire wrote:
>
> Can anyone see what this might suggest in the sman code?
>
> Waldek Hebisch <address@hidden> writes:
>
> Tim Daly wrote:
> > >
> > > try starting axiom with
> > >
> > > axiom noclef
> > >
> > > and see if the problem still happens.
> > >
> >
> > Reproducible (using buildimprovements) both with and without
> > clef.
When the command 'axiom noclef' is run, the process tree
looks like this:
$ axiom noclef
user i/o
sman . . . /\ /\
. . ./ \
. . / . \
. . \/ . \/
graphics====AXIOMsys ===== hyperdoc
/\
where ==== represents a unix socket and \/ represents
serial pty and . . . is a subprocess.
Right?
The version with clef in place, I suppose would look like
this:
$ axiom
user i/o
sman . . /\ /\
. . . / \
.. . ./ \
. . . \/ . \
. . clef . \
. . /\ . \
. . \/ . \/
graphics====AXIOMsys ========= hyperdoc
> > When AXIOMsys is run directly ^D exits it.
Does ^D send an endoffile condition to the pty interface?
I suppose that when you say AXIOMsys run directly you
mean the following single process:
$ AXIOMsys
User i/o
\

\
AXIOMsys
> When AXIOMsys is run via clef ^D\n exits it.
I am not sure how to create this situation. What options
to the 'axiom' script did you use?
> With sman present Axiom crashes.
My impression was the sman is always present except when
running AXIOMsys directly since it's purpose is to start
the other subprocesses in the tree and to assist with
setting up sockets etc.
Any help understanding this would be great.
Regards,
Bill Page.
 [Axiomdeveloper] Re: Bug#346552: naive methods of exiting axiom can blow up catastrophically, Camm Maguire, 2006/10/26
 Re: [Axiomdeveloper] Re: Bug#346552: naive methods of exiting axiom can blow up catastrophically, root, 2006/10/26
 Re: [Axiomdeveloper] Re: Bug#346552: naive methods of exiting axiom can blow up catastrophically, Waldek Hebisch, 2006/10/26
 Re: [Axiomdeveloper] Re: Bug#346552: naive methods of exiting axiom can blow up catastrophically, Camm Maguire, 2006/10/27
 RE: [Axiomdeveloper] Re: Bug#346552: naive methods of exiting axiomcan blow up catastrophically,
Page, Bill <=
 Re: [Axiomdeveloper] Re: Bug#346552: naive methods of exiting axiomcan blow up catastrophically, Waldek Hebisch, 2006/10/27
 RE: [Axiomdeveloper] Re: Bug#346552: naive methods of exiting axiomcan blow up catastrophically, Page, Bill, 2006/10/27
 Re: [Axiomdeveloper] Re: Bug#346552: naive methods of exiting axiom can blow up catastrophically, root, 2006/10/27
 Re: [Axiomdeveloper] Re: Bug#346552: naive methods of exiting axiom can blow up catastrophically, Waldek Hebisch, 2006/10/27
 [Axiomdeveloper] Axiom unsoundness, Gabriel Dos Reis, 2006/10/27
 [Axiomdeveloper] Re: Bug#346552: Axiom unsoundness, Camm Maguire, 2006/10/27
 [Axiomdeveloper] Re: Bug#346552: Axiom unsoundness, Gabriel Dos Reis, 2006/10/27
 RE: [Axiomdeveloper] Axiom unsoundness, Page, Bill, 2006/10/27