https://cygwin.com/pipermail/cygwin/2019-August/242242.html
getpriority() and top display for priority inconsistent
getprioritytopdisplayinconsistent
https://www.php.net/manual/it/function.pcntl-getpriority.php
PHP: pcntl_getpriority - Manual
Get the priority of any process
phppcntlgetprioritymanual
https://www.php.net/manual/zh/function.pcntl-getpriority.php
PHP: pcntl_getpriority - Manual
phppcntlgetprioritymanual