FreeBSD's gettimeofday stores the time only when tp is not null, and
clock_getres the resolution only when res is not null; both succeed
otherwise. Both threw, which aborted a title probing a clock or only
asking for the time zone. Write into a local result instead.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
clock_gettime and clock_getres served three FreeBSD clock ids with the wrong
clock or not at all:
- CLOCK_VIRTUAL (1) was the monotonic clock on Windows and threw on Linux; it
is the user CPU time of the process.
- CLOCK_PROF (2) threw on both hosts; it is the user plus system CPU time of
the process.
- CLOCK_SECOND (13) returned the coarse realtime clock with nanoseconds and a
sub-second resolution; it is the current second with tv_nsec 0 and a
resolution of one second.
Behaviour follows FreeBSD 11 clock_gettime(2) and kern_clock_gettime /
kern_clock_getres in sys/kern/kern_time.c.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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