James Clark c3037ed066 unix: add support for clock_adjtime on Linux ...

This provides a ClockAdjtime function providing access to the clock_adjtime system call on Linux.
The clock_adjtime system call is like adjtimex, but takes a clockid_t as its first argument.
The unix package already provides Adjtimex and the associated Timex struct; it also provides
the other functions that take a clockid_t (like ClockGettime). ClockAdjtime is an essential
system call for programs that want to use the Linux PTP hardware clock infrastructure (see
https://docs.kernel.org/driver-api/ptp.html).

Fixes golang/go#57618

Change-Id: I68d022425eb9cd394a204ad7fedab985c0496fee
Reviewed-on: https://go-review.googlesource.com/c/sys/+/463056
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>

2023-01-27 19:11:10 +00:00

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