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pcntl_setpriority

(PHP 5, PHP 7, PHP 8)

pcntl_setpriority — Change the priority of any process

Опис

pcntl_setpriority(int $priority, ?int $process_id = null, int $mode = PRIO_PROCESS): bool

pcntl_setpriority() sets the priority of process_id.

Параметри

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.

process_id

If null, the process id of the current process is used.

mode

One of PRIO_PGRP, PRIO_USER, PRIO_PROCESS, PRIO_DARWIN_BG or PRIO_DARWIN_THREAD.

Значення, що повертаються

Повертає true у разі успіху або false в разі помилки.

Журнал змін

Версія Опис
8.0.0 process_id is nullable now.

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