Date: Thu, 21 Nov 2013 23:04:52 +0000 From: Laurent Bercot <ska-dietlibc@...rnet.org> To: musl@...ts.openwall.com Subject: Re: Pending patches/issues before 0.9.15 release? > according to the official tzdata code the "right/" directory > is obsolete and different path is used for this now Oh ? I will definitely investigate this more. > "The advantage of this scheme is that TAIâˆ’10 uniquely refers > to an instant in time, and the difference between two such > values determines the interval between these instants" > > is not true, a single time coordinate cannot uniquely refer to > an instant in time (TAI only specifies the frame of reference > since 1977, before that it was largely nonsense and after that > it only measures the time somewhat accurately for observers at > sea level in rest, but eg outside the gravity well of earth it > is off by 22ms/year) Until we can go back to before 1977 or have computers outside the gravity well of Earth, this is not what matters. What matters is that we need a linear measure of time to synchronize our system clocks on, and TAI is exactly this. > knowing that TAI is non-conforming you need to provide a strong > use-case for it I believe that Linux kernels crashing all over the world because of a leap second happening makes a pretty strong case for not having the system clock jump around. There are several solutions for that, but none of them is simpler than just ignoring the drift at a system level and perform conversions in userland when needed. I'll follow Rich's advice and try to provide a musl patch that's minimally invasive, when I've found the right way to proceed with timezones. -- Laurent
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