Hello. It started (for me) with a bug  that stated one problem with POSIX semaphores. I started implementing fix for that  and it appeared that there are other issues with lockutils. Discussion got spread over bug  and Gerrit  and got limited to those who get notifications on them. I'd like to move this discussion to this mailing list and recap all thoughts in etherpad  so that everyone will be on one page. I've written my view on possible options we have on etherpad , so please take a look at them and share your thoughts on it. I personally prefer doing options B and AB2 (SysV + fix for them) while we can fix file locks with C3 as well.
Looking forward to your opinions.  https://launchpad.net/bugs/1327946  https://review.openstack.org/108954  https://etherpad.openstack.org/p/lockutils-issues -- Kind regards, Yuriy.
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