Php/docs/function.pcntl-setpriority

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pcntl_setpriority

(PHP 5, PHP 7)

pcntl_setpriorityChange the priority of any process


Description

pcntl_setpriority ( int $priority [, int $pid = getmypid() [, int $process_identifier = PRIO_PROCESS ]] ) : bool

pcntl_setpriority() sets the priority of pid.


Parameters

priority
priority is generally a value in the range -20 to 20. The default priority is 0 while a lower numerical value causes more favorable scheduling. Because priority levels can differ between system types and kernel versions, please see your system's setpriority(2) man page for specific details.
pid
If not specified, the pid of the current process is used.
process_identifier
One of PRIO_PGRP, PRIO_USER or PRIO_PROCESS.


Return Values

Returns TRUE on success or FALSE on failure.


See Also