Php/docs/function.pcntl-setpriority

• PHP Manual
• PCNTL Functions
• Change the priority of any process

pcntl_setpriority

(PHP 5, PHP 7)

pcntl_setpriority — Change 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

• pcntl_getpriority() - Get the priority of any process