[alsa-devel] FW: Further goals of thread-safe PCM API

[Takashi Iwai]

On Thu, 20 Apr 2017 17:42:06 +0200,
Takashi Iwai wrote:
> 
> On Thu, 20 Apr 2017 16:01:47 +0200,
> Wischer, Timo (ADITG/SW1) wrote:
> > 
> > Hi everyone,
> > 
> > I am wondering about the implementation of the new thread-safety feature [1].
> > There are so many issues with deadlocks (e.g. [3]) which were already solved but also which are not yet solved.
> > 
> > Why do you not using a recursive mutex to avoid most of this deadlocks?
> > Using PTHREAD_MUTEX_RECURSIVE as the pthread attribute [2].
> 
> It sounds like a good idea.
> Although the plugin should be written not to cause deadlock, it's
> better to avoid such a pain by allowing the recursive lock.
> 
> Care to test and submit the proper patch?

Never mind, I committed a quick fix to git repo now.
Thanks for the suggestion!


Takashi