nice

Adjust the current process’s scheduling niceness by $incr.

תקציר

POSIX::nice(5);   # lower priority

מה מוחזר

The new niceness value. When the new value genuinely is 0, returns the string "0 but true" to distinguish it from error. On error, returns undef and sets $!.

מקרי קצה

• Positive increments lower priority; only root can pass negative values to raise priority.

הבדלים מן ה-upstream

Fully compatible with upstream POSIX.