svn commit: r231383 - in head: lib/libutil usr.sbin/vipw
John Baldwin
jhb at freebsd.org
Mon Feb 13 16:26:41 UTC 2012
On Friday, February 10, 2012 8:40:32 am Ed Schouten wrote:
> Author: ed
> Date: Fri Feb 10 13:40:32 2012
> New Revision: 231383
> URL: http://svn.freebsd.org/changeset/base/231383
>
> Log:
> Detect file modification properly by using tv_nsec.
>
> POSIX 2008 standardizes st_mtim, meaning we can simply use nanosecond
> precision to detect file modification.
>
> MFC after: 2 weeks
Eh, the BUG is still worth mentioning. By default FreeBSD only uses second
granularity for VFS timestamps, so two updates within a single second is still
racey. You can keep the code change, but I would revert the manual page
change to put the BUG back as your change didn't remove it.
--
John Baldwin
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