| | 1 | .\" Copyright (c) 1980, 1991, 1993 |
| | 2 | .\" The Regents of the University of California. All rights reserved. |
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| | 11 | .\" documentation and/or other materials provided with the distribution. |
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| | 15 | .\" California, Berkeley and its contributors. |
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| | 20 | .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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| | 32 | .\" @(#)nice.3 8.1 (Berkeley) 6/4/93 |
| | 33 | .\" $FreeBSD: src/lib/libc/gen/nice.3,v 1.11 2001/10/01 16:08:51 ru Exp $ |
| | 34 | .\" |
| | 35 | .Dd June 4, 1993 |
| | 36 | .Dt NICE 3 |
| | 37 | .Os |
| | 38 | .Sh NAME |
| | 39 | .Nm nice |
| | 40 | .Nd set program scheduling priority |
| | 41 | .Sh LIBRARY |
| | 42 | .Lb libc |
| | 43 | .Sh SYNOPSIS |
| | 44 | .In unistd.h |
| | 45 | .Ft int |
| | 46 | .Fn nice "int incr" |
| | 47 | .Sh DESCRIPTION |
| | 48 | .Bf -symbolic |
| | 49 | This interface is obsoleted by |
| | 50 | .Xr setpriority 2 . |
| | 51 | .Ef |
| | 52 | .Pp |
| | 53 | The |
| | 54 | .Fn nice |
| | 55 | function obtains the scheduling priority of the process |
| | 56 | from the system and sets it to the priority value specified in |
| | 57 | .Fa incr . |
| | 58 | The priority is a value in the range -20 to 20. |
| | 59 | The default priority is 0; lower priorities cause more favorable scheduling. |
| | 60 | Only the super-user may lower priorities. |
| | 61 | .Pp |
| | 62 | Children inherit the priority of their parent processes via |
| | 63 | .Xr fork 2 . |
| | 64 | .Sh SEE ALSO |
| | 65 | .Xr nice 1 , |
| | 66 | .Xr fork 2 , |
| | 67 | .Xr setpriority 2 , |
| | 68 | .Xr renice 8 |
| | 69 | .Sh HISTORY |
| | 70 | A |
| | 71 | .Fn nice |
| | 72 | syscall appeared in |
| | 73 | .At v6 . |
projects / apple / libc.git / blame_incremental