[Bug 262273] Subsuquent Calls to clock_gettime(CLOCK_THREAD_CPUTIME_ID,... ) return time in the past
Date: Thu, 17 Mar 2022 19:40:47 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=262273
--- Comment #13 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:
URL:
https://cgit.FreeBSD.org/src/commit/?id=28d08dc7d051a4e058cc0004cf4dd884f87037a2
commit 28d08dc7d051a4e058cc0004cf4dd884f87037a2
Author: firk <firk@cantconnect.ru>
AuthorDate: 2022-03-15 22:22:21 +0000
Commit: Mark Johnston <markj@FreeBSD.org>
CommitDate: 2022-03-17 19:39:00 +0000
clock_gettime: Fix CLOCK_THREAD_CPUTIME_ID race
Use a spinlock section instead of a critical section to synchronize with
statclock(). Otherwise the CLOCK_THREAD_CPUTIME_ID clock can appear to
go backwards.
PR: 262273
Reviewed by: markj
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D34568
sys/kern/kern_time.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
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