[openstack-dev] [oslo] Issues with POSIX semaphores and other locks in lockutils

Yuriy Taraday yorik.sar at gmail.com
Thu Aug 14 18:39:46 UTC 2014


It started (for me) with a bug [1] that stated one problem with POSIX
semaphores. I started implementing fix for that [2] and it appeared that
there are other issues with lockutils.
Discussion got spread over bug [1] and Gerrit [2] 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 [3] so that everyone will be on one page.
I've written my view on possible options we have on etherpad [3], 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.

[1] https://launchpad.net/bugs/1327946
[2] https://review.openstack.org/108954
[3] https://etherpad.openstack.org/p/lockutils-issues


Kind regards, Yuriy.
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