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Mention kern.timecounter.alloweddeviation in nanosleep.1

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PR:		224837
Reported by:	Aleksander Derevianko
This commit is contained in:
Piotr Pawel Stefaniak 2021-10-07 21:14:27 +02:00
parent 1c680e620b
commit bf8f6ffcb6
1 changed files with 3 additions and 1 deletions
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4
lib/libc/sys/nanosleep.2
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@ -30,7 +30,7 @@
.\" @(#)sleep.3 8.1 (Berkeley) 6/4/93
.\" $FreeBSD$
.\"
.Dd March 17, 2017
.Dd October 7, 2021
.Dt NANOSLEEP 2
.Os
.Sh NAME
@ -93,6 +93,8 @@ returns immediately and the calling thread is not suspended.
.Pp
The suspension time may be longer than requested due to the
scheduling of other activity by the system.
It is also subject to the allowed time interval deviation
specified by the sysctl kern.timecounter.alloweddeviation.
An unmasked signal will terminate the sleep early, regardless of the
.Dv SA_RESTART
value on the interrupting signal.