mirror of https://github.com/mkerrisk/man-pages
getpriority.2: Clarify equivalence between lower nice value and higher priority
Reported-by: Robin Kuzmin <kuzmin.robin@gmail.com> Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -90,11 +90,13 @@ A zero value for
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.I who
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.I who
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denotes (respectively) the calling process, the process group of the
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denotes (respectively) the calling process, the process group of the
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calling process, or the real user ID of the calling process.
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calling process, or the real user ID of the calling process.
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The
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The
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.I prio
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.I prio
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argument is a value in the range \-20 to 19 (but see NOTES below).
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argument is a value in the range \-20 to 19 (but see NOTES below).
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with \-20 being the highest priority and 19 being the lowest priority.
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The default priority is 0;
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The default priority is 0;
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lower priorities cause more favorable scheduling.
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lower values give a process a higher scheduling priority.
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The
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The
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.BR getpriority ()
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.BR getpriority ()
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@ -140,7 +142,8 @@ In addition to the errors indicated above,
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may fail if:
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may fail if:
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.TP
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.TP
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.B EACCES
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.B EACCES
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The caller attempted to lower a process priority, but did not
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The caller attempted to set a lower nice value
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(i.e., a higher process priority), but did not
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have the required privilege (on Linux: did not have the
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have the required privilege (on Linux: did not have the
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.B CAP_SYS_NICE
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.B CAP_SYS_NICE
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capability).
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capability).
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