Re: [Boost-users] [boost::mutex] Suspicious EINVAL error

Subject: Re: [Boost-users] [boost::mutex] Suspicious EINVAL error
From: Panagiotis Foteinos (pafotein_at_[hidden])
Date: 2011-04-03 19:35:11

Thank you Vicente for your reply.

If that was the case, however, then the error code would be EDEADLK and not
EINVAL.

Anyhow,
I was able to solve my problem 15 mins ago. It was an initialization error:
objects that had been freed were trying to access their mutex...

Sorry to bother you people.

Regards,
Panagiotis Foteinos

On Sun, Apr 3, 2011 at 4:26 PM, Vicente BOTET <vicente.botet_at_[hidden]>wrote:

>
>
>
> > Message du 02/04/11 01:59
> > De : "Panagiotis Foteinos"
>
> > A : boost-users_at_[hidden]
> > Copie à :
> > Objet : [Boost-users] [boost::mutex] Suspicious EINVAL error
> >
> > Hello users.
> >
> > I am running a single thread which locks and unlocks mutexes, and I get
> the
> > following error: *
> >
> > /usr/include/boost/thread/pthread/mutex.hpp:55: void
> > boost::mutex::lock(): Assertion `!pthread_mutex_lock(&m)' failed,
> >
> > *after a boost::shared_mutex::lock() or a
> boost::shared_mutex::try_lock().
>
> > I do realize that the information I provide in this email is little, but
> I,
> > being new in boost::mutexes and having spent so much time on it, decided
> to
> > give it a shot.
>
>
> Hi,
>
> this kind of error is quite common. It seems that you try to lock the mtx
> twice. Could you show the error when you have a try_lock? Do you use the
> RAII locks that ensure that lock/unlock are pairwise?
>
> Best,
> Vicente
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