| public setPriority ( float $priority ) : float | ||
| $priority | float | A priority value between 0 and 1. |
| return | float | |
public function setPriority(float $priority) : float
{
if ($priority < 0 || $priority > 1) {
throw new InvalidArgumentError('Priority value must be between 0.0 and 1.0.');
}
$nice = round(19 - $priority * 39);
if (!pcntl_setpriority($nice, $this->pid, PRIO_PROCESS)) {
throw new ForkException('Failed to set the fork\'s priority.');
}
}