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pcntl_setpriority

(PHP 5, PHP 7)

pcntl_setpriority — Change the priority of any process

Description

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

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

← pcntl_getpriority

pcntl_signal_dispatch →

代码语言:txt
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 ? 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

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