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Re: [RFC v2 07/20] sysdeps/gettimeofday: Use clock_gettime64 if avaliable
- From: Zack Weinberg <zackw at panix dot com>
- To: Paul Eggert <eggert at cs dot ucla dot edu>
- Cc: Arnd Bergmann <arnd at arndb dot de>, Alistair Francis <alistair23 at gmail dot com>, Joseph Myers <joseph at codesourcery dot com>, Alistair Francis <alistair dot francis at wdc dot com>, GNU C Library <libc-alpha at sourceware dot org>, Adhemerval Zanella <adhemerval dot zanella at linaro dot org>, Florian Weimer <fweimer at redhat dot com>, Palmer Dabbelt <palmer at sifive dot com>, macro at wdc dot com, Zong Li <zongbox at gmail dot com>, Zong Li <zong at andestech dot com>
- Date: Thu, 25 Jul 2019 13:21:07 -0400
- Subject: Re: [RFC v2 07/20] sysdeps/gettimeofday: Use clock_gettime64 if avaliable
- References: <cover.1561421042.git.alistair.francis@wdc.com> <cb015d0d1d29e4b948c7118c5b12ff2bed83a6ec.1561421042.git.alistair.francis@wdc.com> <alpine.DEB.2.21.1907242013260.2807@digraph.polyomino.org.uk> <CAKmqyKP1EGAqQE+vvOH=wp5dp+YH=GofLTniU_wFeLT4BDp4oQ@mail.gmail.com> <CAK8P3a0f-N6DsjjBAvY-Y3sza703fYe55h7pVzhvZXGEqe7G-Q@mail.gmail.com> <4ec24dc5-ca74-82cd-5116-c6d76688765f@cs.ucla.edu>
On Thu, Jul 25, 2019 at 1:03 PM Paul Eggert <eggert@cs.ucla.edu> wrote:
>
> Arnd Bergmann wrote:
> > If we want to keep
> > the traditional settimeofday()/gettimeofday() behavior working, a new
> > kernel interface could be added
>
> Let's not. That behavior was a bad idea even in the 1980s, and applications
> stopped using it decades ago. It has been completely obsoleted by TZ strings.
Do we think we could get away with having both functions fail (with
EINVAL) whenever the tz argument is non-null?
zw