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Diff for /src/usr.bin/renice/renice.8 between version 1.14 and 1.15

version 1.14, 2003/06/03 02:56:15 version 1.15, 2007/03/16 16:36:06
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 .Nm renice  .Nm renice
 .Ar priority  .Ar priority
 .Oo  .Oo
 .Op Fl p  
 .Ar pid ...  
 .Oc  
 .Oo  
 .Op Fl g  .Op Fl g
 .Ar pgrp ...  .Ar pgrp ...
 .Oc  .Oc
 .Oo  .Oo
   .Op Fl p
   .Ar pid ...
   .Oc
   .Oo
 .Op Fl u  .Op Fl u
 .Ar user ...  .Ar user ...
 .Oc  .Oc
 .Sh DESCRIPTION  .Sh DESCRIPTION
 .Nm  .Nm
 alters the scheduling  alters the scheduling
 .Ar priority  .Em priority
 (an integer) of one or more running processes.  of one or more running processes.
 The following  Processes may be selected using the parameters
 .Ar who  .Ar pid
 parameters (pid, pgrp and user) are interpreted as process IDs, process group  (process ID),
 IDs, or user names.  .Ar pgrp
 .Nm renice Ns ing  (process group ID),
 a process group causes all processes in the process group  and
 to have their scheduling priority altered.  .Ar user
 .Nm renice Ns ing  (user name).
 a user causes all processes owned by the user to have  If no flag is specified,
 their scheduling priority altered.  the default is to select by process ID.
 By default, the processes to be affected are specified by  
 their process IDs.  
 .Pp  .Pp
 The options are as follows:  
 .Bl -tag -width Ds  
 .It Fl g  
 Force  
 .Ar who  
 parameters to be interpreted as process group IDs.  
 .It Fl u  
 Force the  
 .Ar who  
 parameters to be interpreted as user names.  
 .It Fl p  
 Resets the  
 .Ar who  
 interpretation to be (the default) process IDs.  
 .El  
 .Pp  
 For example,  
 .Bd -literal -offset  
 # renice +1 987 -u daemon root -p 32  
 .Ed  
 .Pp  
 would change the priority of process IDs 987 and 32, and  
 all processes owned by users daemon and root.  
 .Pp  
 Users other than the superuser may only alter the priority of  Users other than the superuser may only alter the priority of
 processes they own,  processes they own,
 and can only monotonically increase their  and can only monotonically increase their
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 (\-20)  (\-20)
 to  to
 .Dv PRIO_MAX .  .Dv PRIO_MAX .
   .Pp
 Useful priorities are:  Useful priorities are:
 20 (the affected processes will run only when nothing else  20 (the affected processes will run only when nothing else
 in the system wants to),  in the system wants to),
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 .Dq base  .Dq base
 scheduling priority),  scheduling priority),
 anything negative (to make things go very fast).  anything negative (to make things go very fast).
   .Pp
   The options are as follows:
   .Bl -tag -width Ds
   .It Fl g Ar pgrp
   Alter the scheduling priority of all processes in process group
   .Ar pgrp .
   .It Fl p Ar pid
   Alter the scheduling priority of process
   .Ar pid .
   .It Fl u Ar user
   Alter the scheduling priority of all processes belonging to user
   .Ar user .
   .El
 .Sh FILES  .Sh FILES
 .Bl -tag -width /etc/passwd -compact  .Bl -tag -width /etc/passwd -compact
 .It Pa /etc/passwd  .It Pa /etc/passwd
 for mapping user names to user IDs  for mapping user names to user IDs
 .El  .El
   .Sh EXAMPLES
   The following example
   changes the priority of process IDs 987 and 32,
   and all processes owned by users daemon and root:
   .Bd -literal -offset indent
   # renice +1 987 -u daemon root -p 32
   .Ed
 .Sh SEE ALSO  .Sh SEE ALSO
 .Xr nice 1 ,  .Xr nice 1 ,
 .Xr getpriority 2 ,  .Xr getpriority 2 ,
Legend:
Removed from v.1.14  
changed lines
  Added in v.1.15