pcntl_getpriority
(PHP 5)
pcntl_getpriority — Get the priority of any process
說明
int pcntl_getpriority
([ int $pid
[, int $process_identifier
]] )
pcntl_getpriority() gets the priority of pid . Because priority levels can differ between system types and kernel versions, please see your system's getpriority(2) man page for specific details.
參數
- pid
-
If not specified, the pid of the current process is used.
- process_identifier
-
One of PRIO_PGRP, PRIO_USER or PRIO_PROCESS.
Return值
pcntl_getpriority() returns the priority of the process or FALSE on error. A lower numerical value causes more favorable scheduling.