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author | 2021-05-09 14:20:58 -0400 | |
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committer | 2021-05-09 14:20:58 -0400 | |
commit | 5fd83771641d15c418f747bd343ba6738d3875f7 (patch) | |
tree | 5abf0f78f680d9837dbd93d4d4c3933bb7509599 /shell_cmds/renice/renice.8 | |
download | apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.tar.gz apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.tar.zst apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.zip |
Import macOS userland
adv_cmds-176
basic_cmds-55
bootstrap_cmds-116.100.1
developer_cmds-66
diskdev_cmds-667.40.1
doc_cmds-53.60.1
file_cmds-321.40.3
mail_cmds-35
misc_cmds-34
network_cmds-606.40.1
patch_cmds-17
remote_cmds-63
shell_cmds-216.60.1
system_cmds-880.60.2
text_cmds-106
Diffstat (limited to 'shell_cmds/renice/renice.8')
-rw-r--r-- | shell_cmds/renice/renice.8 | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/shell_cmds/renice/renice.8 b/shell_cmds/renice/renice.8 new file mode 100644 index 0000000..5a03755 --- /dev/null +++ b/shell_cmds/renice/renice.8 @@ -0,0 +1,138 @@ +.\" Copyright (c) 1983, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)renice.8 8.1 (Berkeley) 6/9/93 +.\" $FreeBSD: src/usr.bin/renice/renice.8,v 1.16 2003/02/26 20:27:24 charnier Exp $ +.\" +.Dd June 9, 1993 +.Dt RENICE 8 +.Os +.Sh NAME +.Nm renice +.Nd alter priority of running processes +.Sh SYNOPSIS +.Nm +.Ar priority +.Op Oo Fl p Oc Ar pid ... +.Op Oo Fl g Oc Ar pgrp ... +.Op Oo Fl u Oc Ar user ... +.Nm +.Fl n Ar increment +.Op Oo Fl p Oc Ar pid ... +.Op Oo Fl g Oc Ar pgrp ... +.Op Oo Fl u Oc Ar user ... +.Sh DESCRIPTION +The +.Nm +utility alters the +scheduling priority of one or more running processes. +The following +.Ar who +parameters are interpreted as process ID's, process group +ID's, user ID's or user names. +The +.Nm Ns 'ing +of a process group causes all processes in the process group +to have their scheduling priority altered. +The +.Nm Ns 'ing +of a user causes all processes owned by the user to have +their scheduling priority altered. +By default, the processes to be affected are specified by +their process ID's. +.Pp +The following options are available: +.Bl -tag -width indent +.It Fl g +Force +.Ar who +parameters to be interpreted as process group ID's. +.It Fl n +Instead of changing the specified processes to the given priority, +interpret the following argument as an increment to be applied to +the current priority of each process. +.It Fl u +Force the +.Ar who +parameters to be interpreted as user names or user ID's. +.It Fl p +Reset the +.Ar who +interpretation to be (the default) process ID's. +.El +.Pp +For example, +.Pp +.Dl "renice +1 987 -u daemon root -p 32" +.Pp +would change the priority of process ID's 987 and 32, and +all processes owned by users daemon and root. +.Pp +Users other than the super-user may only alter the priority of +processes they own, +and can only monotonically increase their ``nice value'' +within the range 0 to +.Dv PRIO_MAX +(20). +(This prevents overriding administrative fiats.) +The super-user +may alter the priority of any process +and set the priority to any value in the range +.Dv PRIO_MIN +(\-20) +to +.Dv PRIO_MAX . +Useful priorities are: +20 (the affected processes will run at the lowest priority), +0 (the ``base'' scheduling priority), +anything negative (lower values cause more favorable scheduling). +.Sh FILES +.Bl -tag -width /etc/passwd -compact +.It Pa /etc/passwd +to map user names to user ID's +.El +.Sh SEE ALSO +.Xr nice 1 , +.Xr getpriority 2 , +.Xr setpriority 2 +.Sh STANDARDS +The +.Nm +utility conforms to +.St -p1003.1-2001 . +.Sh HISTORY +The +.Nm +utility appeared in +.Bx 4.0 . +.Sh BUGS +Non super-users cannot increase scheduling priorities of their own processes, +even if they were the ones that decreased the priorities in the first place. |