index.php
<?php
/**
* Created by PhpStorm.
* User: mac
* Date: 2020/4/23
* Time: 21:57
*/
echo posix_getpid();
while(true)
{
sleep(1);
}
php index.php
mac@macdeMacBook-Pro:/www/learn_lumen/wang$ php index.php 47976
查看进程号ID
mac@macdeMacBook-Pro:/www/learn_lumen/wang$ ps -ef|grep index.php 501 47976 89607 0 10:01下午 ttys000 0:00.07 php index.php 501 47986 90454 0 10:02下午 ttys002 0:00.00 grep index.php mac@macdeMacBook-Pro:/www/learn_lumen/wang$
查看父进程ID
<?php
/**
* Created by PhpStorm.
* User: mac
* Date: 2020/4/23
* Time: 21:57
*/
echo posix_getpid().PHP_EOL;
echo posix_getppid();
while(true)
{
sleep(1);
}
mac@macdeMacBook-Pro:/www/learn_lumen/wang$ php index.php 48015 89607
mac@macdeMacBook-Pro:/www/learn_lumen/wang$ ps -ef|grep index.php 501 48015 89607 0 10:03下午 ttys000 0:00.08 php index.php 501 48018 90454 0 10:03下午 ttys002 0:00.00 grep index.php mac@macdeMacBook-Pro:/www/learn_lumen/wang$
原文：https://www.cnblogs.com/php-linux/p/12763993.html