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Re: [PATCH v2] Improved ^c support for gdb/guile


> From: Doug Evans <xdje42@gmail.com>
> Date: Mon, 17 Feb 2014 15:26:27 -0500
> 
> Unworkable-as-is optimization trying to avoid queueing asyncs.  Blech.
> 
> I'm still seeing intermittent testsuite failures because Guile is
> getting an uncaught SIGINT.

Bother: is this the only way to fix these issues (whatever they are)?
Because you are quickly getting into non-Windows lands, so there's a
real risk that the Guile support will not be very useful on Windows
(except with Cygwin).

> +void
> +gdbscm_initialize_sigint (void)
> +{
> +  siscm_sigint_pipe[0] = siscm_sigint_pipe[1] = -1;
> +
> +  if (!SCM_USE_PTHREAD_THREADS)
> +    {
> +      warning (_("Guile does not have pthreads support."));
> +      warning (_("Proper SIGINT handling for Guile will be unavailable."));
> +      return;
> +    }

The above is what worries me.  Guile currently doesn't work in the
native MinGW build if configured with threads (it crashes, hangs,
etc.).  Can't we have decent SIGINT handling without pthreads?


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