GNU/Linux man pages
Livre :
Expressions régulières,
Syntaxe et mise en oeuvre :
Unix |
Unix v6 |
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nice(2) |
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nice set program priority (nice = 34.)
(priority in r0)
sys nice nice(priority) The scheduling of the process is
changed to the argument. Positive priorities get less
service than normal; 0 is default. Only the super-user may
specify a negative priority. The valid range of is 20 to
220. The value of 4 is recommended to users who wish to
execute long-running programs without flak from the
administration. The effect of this call is passed to a child
process by the system call. The effect can be cancelled by
another call to with a of 0. The actual running priority of
a process is the argument plus a number that ranges from 100
to 119 depending on the cpu usage of the process. nice (I)
The error bit (c-bit) is set if the user requests a outside
the range of 0 to 20 and is not the super-user.
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nice(2) | |