1.\"
2.\" Copyright (C) 2001 Chad David <davidc@acns.ab.ca>. All rights reserved.
3.\"
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27.\" $FreeBSD: head/share/man/man9/vfs_timestamp.9 87182 2001-12-02 02:13:35Z alfred $
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| 27.\" $FreeBSD: head/share/man/man9/vfs_timestamp.9 87857 2001-12-14 09:11:13Z ru $ |
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
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| 37.In sys/vnode.h |
38.Ft void
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38.Fn vfs_timespec "struct timespec *tsp"
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| 39.Fn vfs_timestamp "struct timespec *tsp" |
40.Sh DESCRIPTION
41The
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41.Fn vfs_timespec
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| 42.Fn vfs_timestamp |
43function fills in
44.Fa tsp
45with the current time.
46.Pp
47The precision is based on the value of the
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47.Dv vfs.timestamp_precision
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| 48.Va vfs.timestamp_precision |
49sysctl variable:
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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
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50.Pp
51.Bl -tag -width ".No \(>=3" -compact
52.It 0
53seconds only; nanoseconds are zeroed.
54.It 1
55seconds and nanoseconds, accurate within 1/HZ.
56.It 2
57seconds and nanoseconds, trucated to microseconds.
58.It \(>=3
59seconds and nanoseconds, maximum precision.
60.El |
61.Sh AUTHORS
62This man page was written by
63.An Chad David Aq davidc@acns.ab.ca .
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