/**
* Run some code in a thread.
*
* @param callable $func The function to execute
* @param mixed $args The arguments to pass to the function
*
* @return int The pid of the thread created to execute this code
*/
public function call(callable $func, ...$args) : int
{
$pid = pcntl_fork();
if ($pid == -1) {
throw new Exception("Failed to fork");
}
# If the child process was started then return its pid
if ($pid) {
return $pid;
}
# If this is the child process, then run the requested function
try {
$func(...$args);
} catch (\Throwable $e) {
$this->memory->addException($e);
exit(1);
}
# Then we must exit or else we will end up the child process running the parent processes code
die;
}
