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ae59e04c CL |
1 | .\" Copyright (c) 1980, 1991 Regents of the University of California. |
2 | .\" All rights reserved. | |
f42730df | 3 | .\" |
ae59e04c | 4 | .\" %sccs.include.redist.man% |
f42730df | 5 | .\" |
ae59e04c CL |
6 | .\" @(#)nice.3 6.2 (Berkeley) %G% |
7 | .\" | |
8 | .Dd | |
9 | .Dt NICE 3 | |
10 | .Os BSD 4 | |
11 | .Sh NAME | |
12 | .Nm nice | |
13 | .Nd set program scheduling priority | |
14 | .Sh SYNOPSIS | |
15 | .Fn nice "int incr" | |
16 | .Sh DESCRIPTION | |
17 | .Bf -symbolic | |
1eea0041 | 18 | This interface is obsoleted by setpriority(2). |
ae59e04c CL |
19 | .Ef |
20 | .Pp | |
21 | The | |
22 | .Fn nice | |
23 | function obtains the scheduling priority of the process | |
24 | from the system and sets it to the priority value specified in | |
25 | .Fa incr . | |
26 | The priority is a value in the range -20 to 20. | |
27 | The default priority is 0; lower priorities cause more favorable scheduling. | |
28 | Only the super-user may lower priorities. | |
29 | .Pp | |
30 | Children inherit the priority of their parent processes via | |
31 | .Xr fork 2 . | |
32 | .Sh SEE ALSO | |
33 | .Xr nice 1 , | |
34 | .Xr setpriority 2 , | |
35 | .Xr fork 2 , | |
36 | .Xr renice 8 | |
37 | .Sh HISTORY | |
38 | A | |
39 | .Fn nice | |
40 | syscall appeared in | |
41 | .At v6 . |