svn commit: r241061 - head/usr.sbin/rtprio
Eitan Adler
eadler at FreeBSD.org
Sun Sep 30 03:21:22 UTC 2012
Author: eadler
Date: Sun Sep 30 03:21:21 2012
New Revision: 241061
URL: http://svn.freebsd.org/changeset/base/241061
Log:
Document the security.bsd.unprivileged_idprio in idprio(1) in addition
to rtprio(2).
Approved by: wblock
MFC after: 3 days
Modified:
head/usr.sbin/rtprio/rtprio.1
Modified: head/usr.sbin/rtprio/rtprio.1
==============================================================================
--- head/usr.sbin/rtprio/rtprio.1 Sun Sep 30 00:44:53 2012 (r241060)
+++ head/usr.sbin/rtprio/rtprio.1 Sun Sep 30 03:21:21 2012 (r241061)
@@ -30,7 +30,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd July 23, 1994
+.Dd September 29, 2012
.Dt RTPRIO 1
.Os
.Sh NAME
@@ -113,6 +113,14 @@ highest priority
of 0 means "the current process".
.Pp
Only root is allowed to set realtime or idle priority for a process.
+A user may modify the idle priority of their own processes if the
+.Xr sysctl 8
+variable
+.Va security.bsd.unprivileged_idprio
+is set to non-zero.
+Note that this increases the chance that a deadlock can occur
+if a process locks a required resource and then does
+not get to run.
.Sh EXIT STATUS
If
.Nm
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