Document boottime calls, add Go wrappers - #372
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quark_update_boottime(3), quark_get_boottime(3) and quark_time_to_wallclock(3) shipped in the time-since-boot branch without manpages; every other exported function has one. Add the three pages, list them in quark(7), and regenerate the HTML docs and README. The pages document which times are expressed since boot, that btime comes from /proc/stat and moves on clock steps, and the two common ways of detecting a step (polling the CLOCK_REALTIME - CLOCK_BOOTTIME delta or a TFD_TIMER_CANCEL_ON_SET timerfd). The Go bindings learn UpdateBoottime(), Boottime() and TimeToWallclock(), mirroring the C calls, with a non-root test. CHANGES also gains a note that quark_socket times are expressed since boot as well, which the 0.8 entry missed.
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Follow-up to #368 (now merged, rebased onto main), closing the gaps noted there:
quark_time_to_wallclock(3), listed in quark(7), with the HTML docs
regenerated. The pages document which times are expressed since boot,
that btime comes from /proc/stat and moves on clock steps, and two
common ways of detecting a step (polling the CLOCK_REALTIME -
CLOCK_BOOTTIME delta, or a timerfd armed with
TFD_TIMER_CANCEL_ON_SET). Each page carries a HISTORY section noting
the calls appeared in quark 0.8, when all times handed out by quark
switched from epoch to since-boot, so readers on older versions
aren't misled.
and TimeToWallclock(), mirroring the C calls, plus a non-root test
(passes locally; TestQuark still requires root).
Also:
close_time in the BREAKING, SILENTLY bullet, which had missed them,
and gains a bullet for the new Go calls.
mandoc -Tlint passes on the new pages, go vet and gofmt are clean.