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<?php |
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namespace ByJG\PHPThread; |
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use ByJG\PHPThread\Handler\ForkHandler; |
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use ByJG\PHPThread\Handler\PThreadHandler; |
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use ByJG\PHPThread\Handler\ThreadInterface; |
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use InvalidArgumentException; |
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use RuntimeException; |
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/** |
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* Native Implementation of Threads in PHP. |
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* |
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* A class to spawn a thread. Only works in *nix environments, |
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* as Windows platform is missing libpcntl. |
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* |
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* Forks the process. |
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*/ |
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class Thread implements ThreadInterface |
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{ |
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/** |
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* @var ThreadInterface |
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*/ |
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private $threadInstance = null; |
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/** |
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* constructor method |
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* |
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* @param mixed $callable string with the function name or a array with the instance and the method name |
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* @throws RuntimeException |
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* @throws InvalidArgumentException |
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*/ |
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public function __construct(callable $callable) |
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{ |
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$this->setCallable($callable); |
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} |
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private $threadHandlerArguments = []; |
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/** |
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* @param array $arguments |
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*/ |
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public function setThreadHandlerArguments($arguments) |
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{ |
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$this->threadHandlerArguments = $arguments; |
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} |
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private function getThreadHandlerArguments($property) |
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{ |
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return isset($this->threadHandlerArguments[$property]) ? $this->threadHandlerArguments[$property] : null; |
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} |
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/** |
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* @return ThreadInterface |
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*/ |
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public function getThreadInstance() |
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{ |
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if (!is_null($this->threadInstance)) { |
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return $this->threadInstance; |
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} |
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if (class_exists('\Thread', true)) { |
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$this->threadInstance = new PThreadHandler(); |
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} elseif (function_exists('pcntl_fork')) { |
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$this->threadInstance = new ForkHandler( |
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$this->getThreadHandlerArguments('max-size'), |
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$this->getThreadHandlerArguments('default-permission') |
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); |
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} else { |
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throw new RuntimeException( |
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'PHP need to be compiled with ZTS extension or compiled with the --enable-pcntl. ' . |
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'Windows is not supported.' |
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); |
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} |
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return $this->threadInstance; |
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} |
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/** |
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* Start the thread |
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* |
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* @throws RuntimeException |
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*/ |
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public function execute() |
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{ |
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$args = func_get_args(); |
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call_user_func_array([$this->getThreadInstance(), 'execute'], $args); |
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} |
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/** |
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* Get the thread result from the shared memory block and erase it |
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* |
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* @return mixed |
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*/ |
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public function getResult() |
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{ |
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return $this->getThreadInstance()->getResult(); |
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} |
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/** |
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* Kill a thread |
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* |
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* @param int $signal |
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* @param bool $wait |
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*/ |
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public function stop($signal = SIGKILL, $wait = false) |
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{ |
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return $this->getThreadInstance()->stop($signal, $wait); |
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} |
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/** |
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* Check if the forked process is alive |
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* @return bool |
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*/ |
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public function isAlive() |
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{ |
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return $this->getThreadInstance()->isAlive(); |
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} |
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public function waitFinish() |
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{ |
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$this->getThreadInstance()->waitFinish(); |
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} |
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/** |
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* Set the thread callable method |
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* @param callable $callable |
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* @return mixed |
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*/ |
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public function setCallable(callable $callable) |
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{ |
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$this->getThreadInstance()->setCallable($callable); |
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} |
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} |
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byjg /
phpthread
