Date: Mon, 12 Dec 2016 21:49:23 -0800 From: Adrian Chadd <adrian.chadd@gmail.com> To: Warner Losh <imp@bsdimp.com> Cc: Peter Jeremy <peter@rulingia.com>, FreeBSD Hackers <freebsd-hackers@freebsd.org>, Ed Schouten <ed@nuxi.nl> Subject: Re: Sysctl as a Service, or: making sysctl(3) more friendly for monitoring systems Message-ID: <CAJ-Vmok=MWQras00Dt1OP_j6RVrMsgyf4R8yQAoPAnb8tYRBLA@mail.gmail.com> In-Reply-To: <CANCZdfp2x9m8tD_aR2q_UVB_KoPwZEnUTsKMkDRcLm_ODsD-8A@mail.gmail.com> References: <CABh_MKk87hJTsu1ETX8Ffq9E8gqRPELeSEKzf1jKk_wwUROgAw@mail.gmail.com> <eea0aa41-2bbc-0ddc-d951-f495c5ba2341@freebsd.org> <200A5D70-24CE-4843-B99D-E10A2AF4F68F@FreeBSD.org> <CABh_MKkAoTj4wA9oTz-fK0rokgMfuiUWpLt6t=qRXy6vvCh7rg@mail.gmail.com> <CANCZdfrjsLdMoZ9Eg19-mEbyxUefJxUmeq=cT_bagrJqzWnUOg@mail.gmail.com> <20161213052759.GP61036@server.rulingia.com> <B9B40604-B8E6-42A8-B5CB-41EDAE025911@bsdimp.com> <CANCZdfp2x9m8tD_aR2q_UVB_KoPwZEnUTsKMkDRcLm_ODsD-8A@mail.gmail.com>
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If only we had a mechanism for these kinds of sensors to register, so the API they'd be using would be one that lead itself to edge/level triggered comparisons, versus polling. Wait, didn't we /have/ one of those up for review a few years ago, and it wasn't merged in? -adrian
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