xref: /freebsd/share/man/man9/vfs_timestamp.9 (revision 2164257702740979d6ffebaba02a3fd778aea2c3)
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2.\" Copyright (C) 2001 Chad David <davidc@acns.ab.ca>. All rights reserved.
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27.\" $FreeBSD$
28.\"
29.Dd November 21, 2001
30.Dt VFS_TIMESTAMP 9
31.Os
32.Sh NAME
33.Nm vfs_timestamp
34.Nd "generate current timestamp"
35.Sh SYNOPSIS
36.In sys/param.h
37.Ft void
38.Fn vfs_timespec "struct timespec *tsp"
39.Sh DESCRIPTION
40The
41.Fn vfs_timespec
42function fills in
43.Fa tsp
44with the current time.
45.Pp
46The precision is based on the value of the
47.Dv vfs.timestamp_precision
48sysctl variable:
49.Bd -literal
50    0 = seconds only; nanoseconds are zeroed.
51    1 = seconds and nanoseconds, accurate within 1/HZ.
52    2 = seconds and nanoseconds, trucated to microseconds.
53  >=3 = seconds and nanoseconds, maximum precision.
54.Ed
55.Sh AUTHORS
56This man page was written by
57.An Chad David Aq davidc@acns.ab.ca .
58