vfs_timestamp.9 (09356c848473844673c36bb823b82effc73f1ea5) vfs_timestamp.9 (2164257702740979d6ffebaba02a3fd778aea2c3)
1.\"
2.\" Copyright (C) 2001 Chad David <davidc@acns.ab.ca>. All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice(s), this list of conditions and the following disclaimer as

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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
1.\"
2.\" Copyright (C) 2001 Chad David <davidc@acns.ab.ca>. All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice(s), this list of conditions and the following disclaimer as

--- 20 unchanged lines hidden (view full) ---

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.In sys/vnode.h
38.Ft void
37.Ft void
39.Fn vfs_timestamp "struct timespec *tsp"
38.Fn vfs_timespec "struct timespec *tsp"
40.Sh DESCRIPTION
41The
39.Sh DESCRIPTION
40The
42.Fn vfs_timestamp
41.Fn vfs_timespec
43function fills in
44.Fa tsp
45with the current time.
46.Pp
47The precision is based on the value of the
42function fills in
43.Fa tsp
44with the current time.
45.Pp
46The precision is based on the value of the
48.Va vfs.timestamp_precision
47.Dv vfs.timestamp_precision
49sysctl variable:
48sysctl variable:
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, truncated to microseconds.
58.It \(>=3
59seconds and nanoseconds, maximum precision.
60.El
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
61.Sh AUTHORS
55.Sh AUTHORS
62This manual page was written by
56This man page was written by
63.An Chad David Aq davidc@acns.ab.ca .
57.An Chad David Aq davidc@acns.ab.ca .