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Re: RFC: Lightweight synchronization mechanism for gnumach v3


From: Samuel Thibault
Subject: Re: RFC: Lightweight synchronization mechanism for gnumach v3
Date: Wed, 20 Apr 2016 13:23:46 +0200
User-agent: Mutt/1.5.21+34 (58baf7c9f32f) (2010-12-30)

Samuel Thibault, on Mon 18 Apr 2016 21:50:16 +0200, wrote:
> > I also have the implementation for what glibc calls
> > 'low-level lock' i.e. a wrapper around something like futex. That can be
> > integrated into glibc to replace spin locks where needed as well.
> 
> Ah, cool, indeed :)
> 
> Also, the spin_lock functions from glibc/mach's spin-lock.h could be
> made to use it instead of calling __swtch_pri().

Also, it should now be easy to implement sem_open(), which we still
lack, and that is posing portability issues.

Samuel



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