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X-Authentication-Warning: slinky.cs.nyu.edu: pechtcha owned process doing -bs
Date: Thu, 18 Sep 2003 10:43:53 -0400 (EDT)
From: Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: Jeff Russell <jeffry AT mail DOT utexas DOT edu>
cc: cygwin AT cygwin DOT com
Subject: RE: Tcl/Tk wish shell execution problem under bash
In-Reply-To: <LIEAKIKNANBLEKNLIAPGAEANCFAA.jeffry@mail.utexas.edu>
Message-ID: <Pine.GSO.4.56.0309181040390.12411@slinky.cs.nyu.edu>
References: <LIEAKIKNANBLEKNLIAPGAEANCFAA DOT jeffry AT mail DOT utexas DOT edu>
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On Thu, 18 Sep 2003, Jeff Russell wrote:

> Igor Pechtchanski wrote:
> >
> > Can you reproduce the hang by running 'bash -c wish84'?  How about 'bash
> > --login -i -c wish84'?  If so, the problem might be triggered by the
> > presence of bash.
> >
> The following attempts produce the same hanging behavior:
>   "bash -c /bin/wish84" from a DOS command shell and a bash (--login -i)
> shell
>   "bash --login -i -c /bin/wish84" from DOS shell nd a bash (--login -i)
> shell
> However,
>   "strace -w /bin/wish84" (from a bash shell) works!  (Also confirmed by
> Felix von Hove)
>
> I haven't tried the latest snapshot due to learning curve (in progress).
>
> JEff Russell

This validates my WAG somewhat.  Does "strace -o wish.strace bash -c
wish84" reproduce the hang?  The reason is that, IIRC, strace uses Windows
exec mechanisms, rather than Cygwin's, so you need to force Cygwin's exec
by running bash first.
	Igor
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