xref: /freebsd/share/man/man9/vfs_timestamp.9 (revision fa9896e082a1046ff4fbc75fcba4d18d1f2efc19)
121642577SAlfred Perlstein.\"
221642577SAlfred Perlstein.\" Copyright (C) 2001 Chad David <davidc@acns.ab.ca>. All rights reserved.
321642577SAlfred Perlstein.\"
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2721642577SAlfred Perlstein.Dd November 21, 2001
2821642577SAlfred Perlstein.Dt VFS_TIMESTAMP 9
2921642577SAlfred Perlstein.Os
3021642577SAlfred Perlstein.Sh NAME
3121642577SAlfred Perlstein.Nm vfs_timestamp
3221642577SAlfred Perlstein.Nd "generate current timestamp"
3321642577SAlfred Perlstein.Sh SYNOPSIS
3421642577SAlfred Perlstein.In sys/param.h
351f620c2eSRuslan Ermilov.In sys/vnode.h
3621642577SAlfred Perlstein.Ft void
371f620c2eSRuslan Ermilov.Fn vfs_timestamp "struct timespec *tsp"
3821642577SAlfred Perlstein.Sh DESCRIPTION
3921642577SAlfred PerlsteinThe
401f620c2eSRuslan Ermilov.Fn vfs_timestamp
4121642577SAlfred Perlsteinfunction fills in
4221642577SAlfred Perlstein.Fa tsp
4321642577SAlfred Perlsteinwith the current time.
4421642577SAlfred Perlstein.Pp
4521642577SAlfred PerlsteinThe precision is based on the value of the
461f620c2eSRuslan Ermilov.Va vfs.timestamp_precision
4721642577SAlfred Perlsteinsysctl variable:
481f620c2eSRuslan Ermilov.Pp
491f620c2eSRuslan Ermilov.Bl -tag -width ".No \(>=3" -compact
501f620c2eSRuslan Ermilov.It 0
511f620c2eSRuslan Ermilovseconds only; nanoseconds are zeroed.
521f620c2eSRuslan Ermilov.It 1
531f620c2eSRuslan Ermilovseconds and nanoseconds, accurate within 1/HZ.
541f620c2eSRuslan Ermilov.It 2
55b82af3f5SMike Pritchardseconds and nanoseconds, truncated to microseconds.
561f620c2eSRuslan Ermilov.It \(>=3
571f620c2eSRuslan Ermilovseconds and nanoseconds, maximum precision.
581f620c2eSRuslan Ermilov.El
5921642577SAlfred Perlstein.Sh AUTHORS
6009356c84SHiten PandyaThis manual page was written by
61*8a7314fcSBaptiste Daroussin.An Chad David Aq Mt davidc@acns.ab.ca .
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