cvs commit: src/lib/libpthread/thread thr_private.h thr_sig.c

John Baldwin jhb at FreeBSD.org
Tue Nov 2 13:43:56 PST 2004


On Tuesday 02 November 2004 04:18 pm, Joe Marcus Clarke wrote:
> John Baldwin wrote:
> | On Monday 01 November 2004 06:04 pm, David Xu wrote:
> |>Not every important,  I think I have another very important history
> |>bug in hand,  did you get my "fix famous libpthread conditional
> |>variable race condition" mail ? :-)
> |
> | Oooo, can I test it please?  We are still having problems with mono on
>
> HEAD
>
> | here at work.  I tried merging the changes in uthread_cond.c 1.32 to
> | libpthread but that seemed to make it worse.  The problems seem to be
>
> that a
>
> | signal handler is being run when the SYNCQ sflag is set (but the
>
> thread is
>
> | not on a cv or a mutex queue), and the handler calls sem_post() which is
> | supposed to be signal safe.  sem_post() tries to lock a mutex and then
>
> bombs
>
> | with the assertion failure.
>
> This is a bit off-topic, but if you're working on Mono, you may want to
> talk with Tom McLaughlin <tmclaugh at sdf.lonestar.org>.  He's created a
> BSD# project, and has been working on the various Mono and C# ports for
> FreeBSD.  I'm sure he would be very interested in any Mono work you're
> doing.

We're already using the BSD# stuff. :)

-- 
John Baldwin <jhb at FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org


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