Re: Mutex failure

Benjamin Lee <[email protected]>
Newsgroups gmane.comp.mobile.kannel.devel
Message-ID <[email protected]>
Yup, it works! Swapping the order of unlock_in() and unlock_out()
statements at the end of conn_register() fixes the mutex problem.

I have included both emails from Uoti below... because, yes, this solution
has been proposed before.


On Friday, 2002-02-08 at 10:17:37 PM, Uoti Urpala scribbled:
> Andreas Fink wrote:
> 
> >> Has anyone yet resolved the problem we get in
> >> gwlib/thread.c:mutex_unlock_real(), Andreas maybe?!
> > 
> > I wish I would. it still bytes me.
> 
> 
> Does changing the order of the unlock_in() and unlock_out() statements 
> at the end of conn_register() in conn.c help? It fixes at least one race 
> condition in HTTP code.
> 

On Wednesday, 2002-02-20 at 12:58:13 AM, Stipe Tolj scribbled:
> Uoti Urpala wrote:
> > 
> > Benjamin Lee wrote:
> > 
> > > 2002-02-18 05:15:28 [3] PANIC: gwlib/conn.c:174: unlock_out_real: Mutex unlock failed. (Called from gwlib/conn.c:793:conn_register.)
> > 
> > This is probably the bug I mentioned a couple of weeks ago. As I said
> > before, it can be fixed by changing the order of the unlock statements
> > at the end of conn_register, or (a cleaner way) by adding a
> > lock_out/unlock_out pair at the start of conn_destroy.
> 
> Ben can you try this out in your testbed and report if this fixes the
> problem?
> 
> Stipe
> 
> [email protected]
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Benjamin Lee

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