Re: BUG #14206: Switch to using POSIX semaphores on FreeBSD

On Wed, Jun 22, 2016 at 11:49:33AM -0700, Maxim Sobolev wrote:
> Some of it is related to the API design flaws that Konstantin alluded to, some
> of it to the fact that as far as I understand, it's separate big chunk of
> kernel code created decades ago by people who might no longer be actively
> involved with the project and designed to run in vastly different hardware and
> software environment. Nobody really owns it and it's not easy to regression
> test. In my own limited experience if not for postgresql, we would not even
> have that SYSV IPC enabled in our production kernels. And we use some other
> 300+ opensource packages in our product, so sample is quite representative I
> think.

FYI, databases were the primary users of SYSV IPC even back in the old
days, so I am not surprised we might still be one of the rare users. :-)

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Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

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