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Re: [PATCH] Final: thread lock nesting debugging
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From: |
Han-Wen Nienhuys |
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Subject: |
Re: [PATCH] Final: thread lock nesting debugging |
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Date: |
Mon, 17 Nov 2008 11:21:08 -0200 |
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User-agent: |
Thunderbird 2.0.0.16 (X11/20080723) |
Linas Vepstas escreveu:
> I've been seeing all sorts of deadlocks in guile, and so I wrote a small
> debugging utility to try to track down the problems. I'd like to see
> this patch included in future versions of guile.
>
> I found one bug with this tool, and have submitted a patch for that
> already. It looks like there's another bug involving signals --
> there is a probably deadlock in garbage collection if a signal
> is sent at just the wrong time. The bug can be seen by enabling
> this patch, and then running 'make check'. I'm going to ignore
> this, as I'm not worried about signals right now.
>
> This is my "final" version of this patch, I'd sent a beta version
> a few days ago. Its "final" because I'm not anticipating any
> further changes.
Would it be possible to have this be a runtime switch? My experience
is that conditional code in GUILE (especially the debugging ones) tend
to bitrot very quickly. Also, they don´t help anyone who is not compiling
their own GUILE.
--
Han-Wen Nienhuys - address@hidden - http://www.xs4all.nl/~hanwen