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author | Piotr Pawel Stefaniak <pstef@FreeBSD.org> | 2021-10-07 19:14:27 +0000 |
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committer | Piotr Pawel Stefaniak <pstef@FreeBSD.org> | 2022-03-26 13:34:20 +0000 |
commit | 6018f775cebf15df4309e9544e33123c54d8ef89 (patch) | |
tree | d43d534f54b08f4a562b547cd482dcca18710b48 | |
parent | f50cda551150dd1292548be2e0b2b052ec24613a (diff) | |
download | src-6018f775cebf15df4309e9544e33123c54d8ef89.tar.gz src-6018f775cebf15df4309e9544e33123c54d8ef89.zip |
Mention kern.timecounter.alloweddeviation in nanosleep.2
PR: 224837
Reported by: Aleksander Derevianko
(cherry picked from commit bf8f6ffcb66a27f498a18e520758ea0d18a6d2de)
(cherry picked from commit 4f556830dec19ec8821b2ff939ab181192ea4dfc)
-rw-r--r-- | lib/libc/sys/nanosleep.2 | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/libc/sys/nanosleep.2 b/lib/libc/sys/nanosleep.2 index 19ffcf1b7026..eb75c4b1043b 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 +93,11 @@ 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 +.Va kern.timecounter.alloweddeviation +.Xr sysctl 8 +variable. An unmasked signal will terminate the sleep early, regardless of the .Dv SA_RESTART value on the interrupting signal. |