The branch main has been updated by pstef:
URL:
https://cgit.FreeBSD.org/src/commit/?id=bf8f6ffcb66a27f498a18e520758ea0d18a6d2de
commit bf8f6ffcb66a27f498a18e520758ea0d18a6d2de
Author: Piotr Pawel Stefaniak <ps...@freebsd.org>
AuthorDate: 2021-10-07 19:14:27 +0000
Commit: Piotr Pawel Stefaniak <ps...@freebsd.org>
CommitDate: 2021-10-08 15:07:50 +0000
Mention kern.timecounter.alloweddeviation in nanosleep.1
PR: 224837
Reported by: Aleksander Derevianko
---
lib/libc/sys/nanosleep.2 | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lib/libc/sys/nanosleep.2 b/lib/libc/sys/nanosleep.2
index 19ffcf1b7026..12758a974f7f 100644
--- a/lib/libc/sys/nanosleep.2
+++ b/lib/libc/sys/nanosleep.2
@@ -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.
