[m-rev.] for review: mercury installer script

[Ian MacLarty]

On Tue, Nov 22, 2005 at 11:40:52AM +0100, Peter Ross wrote:
> On Tue, Nov 22, 2005 at 04:52:34PM +1100, Julien Fischer wrote:
> > On Tue, 22 Nov 2005, Ian MacLarty wrote:
> > >
> > > The .prof grades don't work on Cygwin.
> > 
> > I'll take a look at that.
> > 
> I've looked, and it isn't easy.  The profiler works by registering a
> handler for a signal which is generated every N clock ticks.  This
> handler then increments the count for the current mercury label in a
> data-structure.
> 
> Under cygwin it is impossible to do this as the signal isn't supported.
> 
> I looked once at trying to spawn a side thread which slept N miliseconds
> then sampled the current label somehow, but never got my head around
> exactly what needed to be changed and where.
> 

Have you by any chance had a look to see if that signal is supported
under MinGW?  I have been meaning to, but haven't had the time.

Ian.
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