diff options
| author | ShengYi Hung <aokblast@FreeBSD.org> | 2026-03-12 09:16:24 +0000 |
|---|---|---|
| committer | ShengYi Hung <aokblast@FreeBSD.org> | 2026-03-14 04:21:26 +0000 |
| commit | 728ae49a6b81edb3eec5ab70a63bb83db8f5dce5 (patch) | |
| tree | 1d178e448dd6c884da87515cdbfe074fff6d2f6d | |
| parent | 4f59a7eb878f8f084e86baa58e882bc55f460a40 (diff) | |
kern_time: Honor the precise option when counting diff
When preecise option is used, the true elapsed time should also use the
precise timer.
This fixes the test case sleep_for.signals.pass.cpp in libcxx.
Reviewed by: kib, imp
Approved by: lwhsu (mentor)
MFC after: 2 weeks
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D55824
| -rw-r--r-- | sys/kern/kern_time.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/kern/kern_time.c b/sys/kern/kern_time.c index 0c16045ca610..82c2f7367ab2 100644 --- a/sys/kern/kern_time.c +++ b/sys/kern/kern_time.c @@ -601,7 +601,9 @@ kern_clock_nanosleep(struct thread *td, clockid_t clock_id, int flags, } while (error == 0 && is_abs_real && td->td_rtcgen == 0); td->td_rtcgen = 0; if (error != EWOULDBLOCK) { - if (TIMESEL(&sbtt, tmp)) + if (precise) + sbtt = sbinuptime(); + else if (TIMESEL(&sbtt, tmp)) sbtt += tc_tick_sbt; if (sbtt >= sbt) return (0); |